第七周周末作业hfs
七年级英语第7周双休日作业
七年级英语第7周双休日作业一、单项选择(2*15=30’)( )1. — Does your school have playground?— Yes. We often go there after class.A. a; theB. a; \C. the; theD. the; \( )2. — Is there a computer room the building?— Yes. It is the ground floor.A. on; inB. in; onC. in; inD. on; on( )3. Mary’s daughter looks good the dress.A. withB. inC. onD. at( )4. Listen to , please! am Peter from America.A. me; meB. I; IC. I; meD. me; I( )5. Our school has a big hall. It’s the best place for_______ .A. readingB. drawingC. meetingsD. sports( )6. — Can you get some paper for me, please?—.Can you say it again?A. Of course.B. No, I can’t.C. Please don’t.D. Pardon?( )7. Every day, I play with my dog for minutes. That makes him happy.A. a fewB. few 1C. a littleD. little( )8. The boy me is very tall, so I can’t see the blackboard.A. next toB. in the middle ofC. in front ofD. in the front of( )9. — Are your parents free today?— Yes. And__are coming to our Open Day today.A. weB. youC. theyD. their( )10. — Do you have a playground at school?— Yes, we have .A. aB. anC. itD. one( )11. — Does your school have an Open Day?— Yes. And parents can _______ our lessons on that day.A. seeB. lookC. listenD. watch( )12. Sally is a good girl. She often_____ hello to her teachers when they meet.A. talksB. tellsC. speaksD. says( )13. The library ______ at 2 every afternoon, so I think it now.A. opens; opensB. opens; is openC. is open; opensD. is open; open( )14. — Andy, what do you think of your teachers?— I think are very nice to .A. they; usB. they; ourC. them; usD. them; we( )15. — Would you like to come to the school for our Open Day tomorrow?—. But I must (必须) go to Beijing for a meeting.A. I’m sorryB. I’d like toC. OKD. Let me see二、完形填空(2*10=20’)Welcome to our school. Our school is very big 1 beautiful. There are two playgrounds and two football fields in 2 school. There are also some 3 in it and we can do many things in them. They are the Reading Club, the Drawing Club, the Swimming Club ... Many of 4 are in the clubs. I am in the 5 Club. I go to the club on Monday and Wednesday. On Monday afternoon, I go to the club and draw 6 like apples and pears. On 7 morning, I go to the club, too.The art room 8 very modern. Our school has an Open Day. The 9 is 15 October. On that day, the teachers, students and parents are all 10 . We all like that day. What about your school?( )1. A. but B. or C. and D. so( )2. A. their B. your C. her D. our( )3. A. clubs B. families C. halls D. buildings( )4. A. them B. you C. us D. me( )5. A. Dancing B. Reading C. Swimming D. Drawing( )6. A. vegetables B. fruits C. clothes D. boys( )7. A. Monday B. Tuesday C. Wednesday D. Friday( )8. A. looks B. watches C. sees D. enjoys( )9. A. week B. month C. year D. date( )10. A. free B. true C. happy D. bright三、词汇(2*15=30)A. 用所给单词的适当形式填空。
新人教版五年级数学上册第7周周末作业
第七周数学周末作业
班级: 姓名: 分数:
★★★★★作业要求:书写规范美观，计算认真准确.
一、用竖式计算:第一行两题要验算。
81.5×3.6 4. 5×6.04
12.8×0.15 1.08×2.3 96.1×0.79
二、用竖式计算:第一行两题要验算.
4.692÷2.3 1.92÷0.12
5.98÷0.23 5.98÷0.23 19.76÷5.2
10.8÷4.5 21÷1.4 8.84÷0.017
三、得数保留两位小数。
20.9 ÷7 36 ÷27
四、按“四舍五入法”写出商的近似值。
五、解决问题
1、一台机床1.5小时能加工零件210个，照这样计算，这台机床4.5小时可加工多少个零件？
2、清风小区去年年底改用节水龙头。
王奶奶家上半年节约水费34.5元，李奶奶家第二季度共节约水费21元，谁家平均每月节约的水费多？
六、拓展延伸。
小明在数学考试时，把一个数“除以4.75”计算成“乘4.75”，结果是406.125，这道题的正确答案是多少？。
九年级英语下学期第7周末作业
九年级英语下学期第7周末作业语法填空专项练习（1）It’s very important that we all recycle (再利用) things. In nature, everything ____1_____(use) again. For example, when an animal dies, it becomes other animals’food. Nothing is wasted. But _____2____ (human) have created things like plastic bags __3____can’t be broken down by nature. Our rubbish kills animals and ___4_____(pollute) water and soil. ____5____ we continue making too much rubbish, the problem will only get ____6___(bad). If nature can’t reuse the rubbish, we must recycle it.We should clean up the rubbish we’ve made because nature can’t.Recycling is also the right thing to do for another reason. The earth is rich in natural materials____7____ water and trees, but these materials are not endless. We use up our natural materials much ___8_____(fast) than the earth is able to reproduce them. For example, each year we cut ___9_____ more than 6000 square miles of forest. But it takes an average of 25 years for a new tree ___10_____( grow).Recycling can help us save the earth, so let’s take action right now. （2）Air is very important to everything that lives. But ____1___ air we breathe is getting dirty. People all over the world are looking ____2___ ways to make it clean again.Have you ever watched the smoke from chimneys(烟囱) ____3___ (rise) high in the air? Have you ____4___ (see) the smoke from cars and trucks on roads or the smoke from planes? The smoke is ____5___ (harm) to everyone, especially old people and children. If we want ____6___ (keep) well and strong, we need to breathe fresh air.____7___ more and more factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air ____8___ (pollute).____9___ (science) have already found ways to stop or slow down some of the things that make the air dirty. They will not stop working ___10____ we have clean air again.(3) Please eat the right food. It can help you live a longer and 1 (health) life. You should eat different 2 (kind) of food, especially low-fat foods, such 3 vegetables, fruit, fish 4 milk. It is never5 late to start eating properly. Weighing too much or too little can lead6 health problems. After the age of 45, many people become overweight. You can control your7 (weigh) by8 (eat) healthy food and being9 (act). You should spend time on physical exercise. If the weather is bad, try an exercise show 10 TV, watch an exercise tape at home or walk around shopping center.(4) I am Jackie Lee, an American Chinese. Let me tell you about my ___1___ (grandfather) life story.My grandfather was born in 1932 and grew up in a poor village in Fujian, China. At theage of 14, he first ___2___ (hear) of America. It was said to be the land of gold and poor people could ___3___ ( easy ) become rich there. So, my grandfather came to America. "I had thought it was easy to make money in America," he told me. " But when I arrived ___4___ Los Angeles, I realized it was not true. I couldn't find a good job because I spoke little English.I wanted to go to a language school to learn English, ___5__ I couldn't afford it. Later, I worked in a small restaurant , serving the ___6___ ( guest ), cleaning up the tables, washing the dishes and ___7___ ( sweep ) the floors. I was such ___8___ helpful and honest worker that my boss was pleased with me. I was popular with my workmates too.Life became easier than before and in the end I entered an evening school to learn English. My grandfather kept working hard , and finally made ___9___ (he) dream come true. Things do not come easily in life. That is what I have learned ___10___ my grandfather.(5) For those who just love to shop online, Nov 11(双十一) is the____1____ (good) time of the year. Online group buying is quite popular _____2_____ the young. The main reason is that things in this way are _____3_____ (cheap) than those bought in usual stores. Then ,it is convenient to ___4_____ (make) orders and pay. Besides, it is a trend and young people love following trends. _____5_____ ,every coin has two sides. Online group buying has ____6_____(advantage). It is sometimes unsafe. One of my friends was ____7____(cheat) once. He bought ____8_____ MP4 on a group buying site. Several days passed, he still didn’t receive the MP4. He called to find out ____9____ the problem was, and found that the site was a trick. Therefore, we must be careful when ____10____ (do) such shopping. In addition, buy only what we need and never buy unnecessary things just because they are cheap.(6) We all know that Thanksgiving Day in the United States is a holiday on the ____1_____ (four)Thursday of November. It’s great fun for the Americans_____2_____(come)home and have a big dinner. In America , they usually watch a Thanksgiving parade and American football game on TV. ____3_____(eat)Turkey is their must. And of course Black Friday is one of the ____4_____(busy) shopping days in the USA. There are two popular theories as to why the day _____5______ Thanksgiving Day is called Black Friday. One theory is that the wheels of vehicles（机动车） in heavy traffic on the day after Thanksgiving Day left many black markings _____6_____ the road surface, leading to the term Black Friday. The other theory is that Black Friday comes from ____7______old way of recording business accounts. Losses(亏损) _____8_______(record) in red ink and profits（收益） in black ink. Many businesses, _____9_______(special) small businesses, started _____10_____(make) profits before Christmas. Many hoped to start showinga profit, marked in black ink, on the day after Thanksgiving Day.(7) Fred was going to school. When he passed a park, he saw a man sawing (锯断) a big branch from a tree. ___1___ man was on a ladder（梯子） and the ladder was ___2___ the big branch he was sawing. “Hi, it is ___3___ (danger).”Fred shouted. “After you cut off the branch, you ___4___( fall ), too.” But the man didn’t believe him, and said ___5___ ( angry ), “Go away, you little thing. It’s none of your business.”Fred could do nothing but ___6___ (leave). He didn’t go far before he heard something crashed(断). He rushed back ___7___ found the man ___8___ ( lie ) on the ground.Fred asked some ___9___(man) for help. They ___10___ ( carry) the man to the hospital.(8) Three years ago，I ___1___(join ) a club named Help Others. After that,I began to help others, such as helping __2__ old cross the road, buying some food for homeless children and doing small ___3___(act) for our neighbors.Today is International Coastal Clean-up Day. Many people enjoy ____4____(they) on the beach , ___5___sometimes they leave some plastic bags.I want ____6____(clean) the beach to protect the sand. My husband and I decide to spend a whole morning ____7____ (pick) up rubbish on the beach . We ride there ___8___ a bag to put in the rubbish. It's only five-minutes' ride and we get there ____9___(quick). We walk on the nice sand and pick some rubbish. We feel it is___10___ unusual experience and we will continueregularly on our own. We try our best to protect the Earth.(9) Chinese tennis player Li Na, a two-time Grand Slam(大满贯) champion,is saying goodbye. She____1_____ (announce) her retirement on September 21st ___2____ of long-term knee injuries. Although it was a hard ___3_____(decide), Li said she had no regrets. Li Na is a ____4_____(succeed) sports star in China. She began playing tennis at ___5___ age of 8. Since then, she has got many brilliant ____6_____ (achievement). She was the ____7____ (one) Chinese player to win a WTA title and a major Grand Slam singles title, ____8_____(include) the 2011 French Open and the 2014 Australian Open. However, Li Na is ____9_____(many) than just a tennis player. She has helped the rise of tennis in China. She is a pioneer who opened doors ___10_____ millions of young people in China and also Asia. (10) Which of your hand do you use 1 (many)? Very few of us can use bothof 2 (we) hands equally well. Most of us are right-handed. Only about five people out of 3 hundred are left-handed. Newborn babies can take things with either of their hands, 4 in about two years most of them 5 (use) their right hands. Scientists don’t know 6 this happens. Scientist find that monkeys like to use one of their 7 (hand) more than the other, but it can be either hand. Most of people use their right hands 8 (well) and this makes life 9 (difficult) for those left-handed persons. We live 10 a right-handed world.(11) Once upon a time, there were some goblins（小精灵） 1 (live) in a forest. Their neighbour was a poor old man. He couldn’t move, see 2 hear. So, they spent a lot of time making fun of him. They showed no respect 3 his age.When the Great Wizard（大巫师）found out about it, he was very angry. He decided to teach the goblins 4 lesson. He cast a spell（施咒语）. From that moment, every insult（侮辱）they gave the old man actually improved him, but had the opposite effect 5 the goblins themselves. Of course, the goblins knew nothing about the spell. Every time they called the man an “old fool”, he became a little younger and smarter, while the goblins became a little older and 6 (fool).As time went on, these goblins 7 (become) very old, ugly and foolish, but they had no idea. Finally, the Great Wizard asked the goblins to look at 8 (they). Terrified（恐惧的）, they saw that they had turned into ugly monsters. While they were busy insulting the old man, they had been damaging（摧毁）themselves. And when they finally knew what they had9 (do), it was too late.10 (respect) others is not only important for the effect it has on others, but also for the effect it has upon ourselves.(12) John was the only son of a rich_____1____ (America) businessman. Usually he ___2____(take) to school by the driver ___3____his father’s beautiful car. And then the driver took John’s father to his office. One evening his father went into his bedroom and told him that he ____4___ (be) on a business trip for a week. So he had to go to the airport much ___5___ (early) the next day. He would need his car. As a result John had to go to school by ___6____ (he). He also said that John’s mother _____7___ owned another car would still be in bed when he had to leave the house. ”Well, how would I get to school if you need your car and mummy is still in bed?”John asked. His father thought this was a good opportunity ____8___ (teach) him a lesson about ___9___ hard life was for lots of people of the world. So he answered,” You’ll go in the same way___10___ most children in the world do--- by bus.”(13) “Teenager”means a person from 13 to 19 years old. (1)_____ they’re young, they have to make many important choices (2)_____ themselves. Often teachers and parents cannot handle them because they don’t understand or know teenagers, especially their wishes, problems or different (3)_____ (mood) in a short time. They need to think about questions like these: Should we go to college? What kind of job do I want? However, other people also influence their choices. Who influences teenagers?It (4)_____(dependent) on the kind of choice. When teenagers buy things, friends are the(5)_____ (important) influence. This is especially true for clothes and music. TV shows, advertisements and parents also influence teenagers. In more serious things, parents are probably the most important influence. Some teenagers say it’s best to regard both parents and friends as influences. James, a seventeen-year-old boy says he’s “just a crazy man”. He also says, “Parents are (6)_____ (real) important because they can tell you what’s right and wrong.”But teenagers also feel they need to make choices—to make their own mistakes. As (7)_____ teenager girl said, “If our parents don’t let us make(8)_____ (we)own choices, maybe in the future we don’t know how(9)_____(do)it.”And they feel friends can often be a big help, especially because friends sometimes know more about their situation (10)_____their parents.(14) A Shenzhen student 1 ( name) Wu Mingyu is the best teenage reader in China in the top reading competition held by CCTV. He is 15.He studies in Cuiyuan Middle School. The competition ,My Extracurricular (课外)Book,”is China’s first reading TV show for youths aged 2 8 to 15. By inviting primary and middle school students 3 love reading to share their reading experience, the program hoped to encourage more teenagers to read. Wu’s mother ,kang Juxia ,said her son started to learn Chinese characters at the age of 2 ---thanks to the support and efforts of his grandparents. Before he 4 (enter) kindergarten, he was able to read 5 (article) in magazines. He started to read text books at the age of 8, and by the age of 12, he developed 6 interest in original works. After reading , he would often talk to his father about 7 he had read , and they two usually had a good8 (discuss)over certain topics . His hope to beat his father let the boy 9 (read) more.His strong interest in reading did not make Wu a boring bookworm. His Chinese teacher, Lu Feng, who has been teaching for more than 30 years, said sometimes she was surprised by the questions Wu raised during her lessons. After the competition, Wu was given the name “the lonely master reader”by natives. “Yes, I feel lonely, but for 10 ( I ) reading is a bittersweet path,” he said.(15) We should be polite to everyone because we live with (1) _________ (we) family and we study in school. We will grow up (2) _________ meet more people in life. (3) _________ (be) polite will make us (4) _________ (comfortable) and happier. Perhaps we know some expressions of being polite. For example, "Excuse me" can be (5) _________ (use) when you must stop (6) _________ talk. When we ask other people (7) _________ help, we can say "Please", or we should say "Thanks" to someone who helps us. But we don't always keep being polite that way. We may think why I should be polite when others are not. It is important (8) _________ (know) that manners (礼貌) are the (9) _________ (rule) of behaviour towards others. It is important to be polite, (10) _________ we should be polite to others.(16) From an early age, our parents told us not to lie. however, it seems that everyone tells lies—not big ones, but the one___1____ we call“white lies”. Since we believe that ___2____ (lie) is wrong, why do we still doit? people usually have good reasons for lying. For example, they want to protect a friendship or someone’s feeling. So when do we lie? And ____3____ do we lie to? A recent survey ____4____(find) that a person lies ____5___ seven times a day. The following are some ways and reasons.First, people often lie because they want to hide something ___6___ others. For example, a son doesn’t tell his parents that he ____7_____ (quarrel) With his best friend. Instead, he says his friend is just too busy to visit him. Second, people sometimes lie because that don’t want to do something. For example, someone gives you a _____8___ (invite) to a party. You think it may be boring. Instead of refusing it _____9___ (direct), you say you’re busy. Third, we don’t tell the truth to make someone feel good. For example, you friend cooks dinner for you, but it tastes terrible. You probably say, “ Mmm, it is __10___(taste)“ Fourth， sometimes we don’t want to tell someone the bad news.(17) The best way for children to spend their summer is to go to summer camps. They can learn a lot of things 1________ them. The camps help develop the personality of a child. 2______ you can’t make your child 3________ (join) any summer camp that you hear of. You have to read some recommendations(介绍) so that you can choose the 4_______ (suit) camp for your child.Younger kids can join a summer camp that last 5________ a day or two or that is held at weekends, because they are too young 6________ (get) used to the long-time camp. And teenagers can join summer camps that are held for a longer time 7_______ a week, or a month or even a year.In fact, the hardest work is 8________ (choose) the perfect summer camp. Children are inexperienced (无经验的), so they can’t find a good one by 9________ (them). As their parents,You can ask your child what he wants to learn, or what he is 10_______ (interest) in. The answers to these questions will provide you with an idea about the camp you should choose.(18) About the importance of health, nobody can explain (1)(well) than your doctor. They are the people who really know the importance of keeping fit and healthy. Every time I put on (2) ______ extra pound, my doctor will remind me about what is happening (3) _______ my body. We may look healthy but we don’t know (4) ______ (clear) what is happening inside. And there are many different ways we can make sure that we are as (5) _____ (health) insideas we are outside. The first and easiest step is keeping a good (6) ______ balanced diet. Next is sleeping well. Sleep early. Make sure you get your nine hours’ sleep. Do not skip your breakfast. It is one of the most important (7) ______ (meal) of the day. Exercise every day. Go for a swim, or walk, or just play football or tennis. Try your best not to have too much stress because it’s very(8)(harm) to your health. Remember to keep (9)(wash) your hands, and then you won’t catch any infections(传染病). And getting away from your bad habits(10)(be) important too.(19) A report says that most of Shenzhen ____1_____( teenager) want to do more housework, but their parents usually don’t think so. “Mother tells me that the most important thing is to study,” said Wang, ____2__middle school student in Shenzhen.“She never gives me any housework to do, though I ___3___ (real) want some.”According ____4__ the report, 37% of the teenagers do housework ____5__ (little) than half an hour every day; 39.4% of __6____ (they) from half an hour to one hour; 11.5 % one to two hours; 5.6% over two hours; and 5.2% just have no housework to do.“Most of my time after school should be ___7___ (spend) on my homework, and I don’t have time to play. Even on weekends, my parents ask me __8____ (stay) at home to study. I can’t go to see a film, watch TV___9___play with other children. My parents never say to me about anything to do with the housework. Sometimes I feel I have the duty to do something to help my parents, but they just get everything done for me,”said Yang Ming, a sixteen⁃year⁃old student.Experts say that this won’t changed much _______(10) the College Entrance Examination, which adds much pressure (压力) on high school students, is changed.(20) Everybody wants to learn English well, but many find it difficult. I have been studying English (1)________ many years. I think you may have got many people’s (2)___________ (suggest) on how to learn it. I am very happy to share (3)_______(I) with you．First, you should (4)___________(practice) it as often as possible. Listening to English songs is a good way. You can also watch some Englishvideos. Try to find more chances to speak English. It’s one of the (5)_________(quick) ways to improve your English by chatting (6)_________ native speakers. You can also try to give speeches in public. Remember, if you want to be (7)_______ excellent speaker, you’d better speak clearly and (8)____________ (confident). Second, you ought to do more reading. When reading, you should make some notes so that you can find them when you review. Of course, (9)_________ you want to master English better than others, you must spend more time on it than other people.In addition，there are a lot of factors involved in English learning. You must realize “more haste, less speed”. Never give up, and you’ll (10)___________(success) one day.(21) My friend Brett got a dirt bike(轻型摩托车).A lot of kids in my neighborhood knew how to ride. I also wanted to, so I told my dad about it.A few __1___(day) later, my dad brought __2__ dirt bike home. He spent four long weeks ____3___(teach) me how to ride. No one believed I could learn to ride ,___4__my dad believed in me. Day after day and night after night, he worked with me, and I started to progress. Finally I was ready ___5___ my first time on the trails(小路).But the first time wasn’t that good. My bike got stuck in the mud and I fell off the bike.All the boys started to laugh at ____6__(I). I went back home and cried___7__(loud).Dad put his arms around me. He told me ___8__ with more practice, I would be better than the other boys. The next day I got back on my bike and he coached(指导)me through the problem I was having. Things got better and better. Now I could ride with my eyes ___9____(close).I cannot even remember how many nights I spent crying. Every time I neededa shoulder ____10_____(cry) on, my dad was there. He never let me give up and always believed in me, even if I couldn’t do something right. (22) Bikes are popular in the Dutch(荷兰). In fact, nearly half of all travel in the Dutch is by bike. Now, one Dutch bike __1__ (design), Thomas, has taken the country’s interest in bikes by making a school bus bike.The big bike has eight sets of pedals (踏板) for kids, __2__ driver seat for an adult, and three __3__ seats, comfortably letting little kids for their trip to and from school. The bike even has a motor, __4__ can help with high hills or at times when few kids on it.So far, Thomas tells Fast Company, he __5__ (sell) 25 school-bikes, at a price of $ 25,000 __6__ —less than it would cost to buy a __7__ (tradition) school bus with the same number of seats. Along with the traditional color, the bikes, are colored yellow so that they can __8__ (see) easily.Thomas says he’s sold school bus bikes to __9__ (neighbor) countries such as Belgium, England and Germany, but so far, the school bus bike hasn’t been sold in the United States. If the U.S. agrees to buy this kind of school bus bike, it could do a lot of good to improve exercise for a young age and help them keep __10__ (health).(23) Daisy’s class had a painting lesson with Ben’s class. The teacher told them __1__ to make different colors.“There are three primary colors,” she said. “ Who __2__ ( know ) what they are?”All the children put up __3__ ( they ) hands. Everyone knew the primary colors: red, blue __4__ yellow.“ Does anyone know what a secondary color is?’ the teacher asked next. Ben knew. He put up his hand. “It’s a color made __5__ two primary colors.”He said.“ Can you give me __6__ example ?” the teacher asked.“Orange, ”Ben said. “We make orange by __7__ ( mix ) red and yellow.” Daisy put up her hand. “ Purple is another secondary color,” she said. “ We get purple from red and blue.”“ Good, ” the teacher said. “ Now I want you all to make a secondary color.”The children __8__ ( begin ) mixing colors. The teacher walked around the class. She looked at all the colors the children were mixing. She came to Harry’s easel ( 画架 ). “ What color is that? ” she asked him.“I don’t know,”He said. “I mixed all the primary colors together.”He said. “ I wanted to see what color I __9__ ( get ).”“That’s not a secondary color,”the teacher said. “That __10__ ( mud ) mixture looks terrible!”(24) When I was 18 years old, one morning, my father told me to drive him into a town. I agreed with ____16____ (please). When we came to the town, something was wrong with the car. Then I took the car to have it ____17___ (repair) and promised to pick Dad up at 4 pm. Because I had a few hours tospend, I went to the cinema. However I became so ___18_____ (interest) that I forgot the time. When the last film finished, it was 6 o’clock.I was afraid Dad would be angry, so I drove back quickly and made ____19____ excuse. I’ll never forget ___20___ cry he gave me: “I’m disappointed that I feel you have to tell a lie to me, Jack. I’m angry, not with you but with ____21____ (my). I have failed ____22____ I’ve brought up a son who can not even tell the truth to his own father. I’m going to walk home now and think seriously about where I ___23___ (do) wrong all these years.”Dad began walking along the road. I begged all the way, ____24____ (drive) behind him for 18 miles, ___25____ a speed of 5 miles an hour. It was the most unforgettable lesson. I have never told a lie to him ever since. (25) Failure is what often happens. It is everywhere in our life. Student may fail in exams, scientists may fail in their research work, and players may fail in competitions. 1.__________ failure happens to everyone, different people’s 2._________ (attitude) towards failure are different.Some people don’t think that their failure is 3.________ important thing at all. So they pay 4._________ attention to it. As a result, they will have the 5.__________ failure later. Some people think they themselves are fools and lose their hearts in everything after they get a failure. Then they spend their time and energy on 6._________ (useful) things. At last , they may really be fools as they have 7._________(think).Other people are quite different from these two kinds of people mentioned above. Instead of 8._________(be) hopeless and lost, they draw a lesson from every failure and become more 9.__________(experience). After hard work, they will be 10.__________(success) in the end. So we should draw a lesson from every failure and become more experienced.(26) It is very important to stay healthy. I have a neighbor. She is an old lady. She can do all the housework, read newspapers, watch TV and search on the Internet ___1___ (learn) something new. I often see her do taiji in the morning and dance in the evening. She looks young and ___2___ (beauty), though she is over seventy. Last week a reporter from a magazine ___3___ (interview) her and asked___4___ she kept so young and healthy. She replied___5___ a smile: I have a secret of keeping young and healthy. It is quite easy. Keep your mind active, become interested in the world around you, and learn at least one new thing every day.Try to do different kinds of housework and do sports as often as you can. Don’t think you are too old to go back to school. I know a man who entereda medical college when he___6___ (be) 70 years old. He studied there for6 years and now he is a doctor. Another man went to a tennis school ___7___the age of 71 and now he is good at playing tennis. Some people may say___8___(stay) young is easy for those___9__live in the future. In fact, no matter how old you are, you can make it.Please tell the story to your family. It would be a good start to follow the___10_____( lady) example. I hope all people will stay young and healthy.（27）One day when I was in high school, I saw my new classmate Kyle walking home with all of his books. I thought, “ Why will anyone bring home all his books on a Friday? He must be a ___1___ ( foolish).”As I was walking, I saw some kids ___2___ (run) at him. His glasses went flying and landed in the grass. He looked up and I saw terrible sadness in his eyes. Somehow, I handed him his glasses, helped him pick up his books and ___3___ (ask) him where he lived. It turned out he lived near me. We talked all the way home. ___4___ fact he was a pretty cool kid. I asked him if he wanted to play football on Saturday with me and my friends. He said yes. ___5___ more I got to know Kyle, the more I liked him. Over the next four years, Kyle and i became best friends.Graduation day arrived. Kyle looked ___6___ (real) great and started his speech, “Graduation is a time to thank those ___7___ helped you make it through those tough years...” He told the story of the ___8___ (one) day we met. He had planned to kill himself over the weekend. “thankfully, I was ___9___ (save)” Hearing this, I was totally stunned (震惊的).Never underestimate (低估) the power of your behavior. Maybe with one small ___10___ (act) you can change a person’s life.(28) Some inventions are very important. For example, the telephone allows people _____1____ (communicate) all over the world. The plane lets people travel long distances ____2____ a short time. Life is much ___3___(easy) with these important inventions.Some inventions are just fun. A company in Japan has invented singing flowers. You can listen to music that comes through real flowers. Customers in restaurants can smell the beautiful roses and listen to pleasant music while ____4____(eat). People in the dentist's office can look at pretty。
七年级数学上学期周末作业第七周试题
智才艺州攀枝花市创界学校阜宁县陈集七年级周末作业〔第七周〕一、选择题： 1.3-的绝对值是〔〕 A ．3-B ．3C ．13-D ．132.假设＋3吨表示运入仓库的大米吨数,那么运出5吨大米表示为〔〕 A ．－5吨B ．＋5吨C ．－3吨D ．＋3吨3.2008年5月27日，2021年奥运会火炬接力传递活动在境内举行，火炬传递道路全程约12900m ，将12900m 用科学记数法表示应为〔〕 A ．50.12910⨯B ．41.2910⨯C ．312.910⨯D ．212910⨯4.以下结果为负数的是〔〕 A.3- B.-(-3)C.23- D.2)3(-5.实数a 、b 在数轴上的位置如下列图，那么a 与b 的大小关系是〔〕 A ．a >b B ．a =b C ．a <b D ．不能判断6.假设一个数大于它的相反数，那么这个数是〔〕 A 、正数B 、负数C 、非正数D 、非负数 〔〕A.223)21(3)21(-<-<-- B.324)1()7.0(1-<-<-C.432)5.0()5.0()5.0(-<-<- D.234)3.0(1.03-<-<-8.以下结论正确的选项是〔〕A ．两数之和为正，这两数同为正B ．两数之差为负，这两数为异号C ．几个数相乘，积的符号由负因数的个数决定D ．正数的任何次幂都是正数，负数的偶次幂是正数 二、填空题〔每一小题2分，一共20分〕9.假设□+2=0，那么“□〞内应填的实数是________________.10.－311的倒数是 11.化简：－[－〔－4〕]=。
12.在数轴上，与原点间隔为5的点表示的数是_________。
13.以下列图是5个城的国际HY 时间是差〔单位：时〕，假设时间是2013年10月10日上午8时，那么纽约时间是应是___________14.把3、-5、7、-13四个数利用“24点〞游戏规那么，可写成算式 使其结果等于24. 15.假设23(2)0m n -++=，那么m+n 的值是____________。
九年级上学期英语周末作业(第7周)
I. 词汇填空15题（汉英互译，可含词性变换）1. We can often see f_____________ jump here and there near the pond in summer.2. He wrote his a__________________ in the African forests in his diary.3. The f_______________ in the middle of the road is about 1 meter high.4. He said that he couldn’t finish the t_______________ alone on time.5. Paul is a l_______________ boy and he does nothing at home.6. My cousin likes to read the __________________ (小说) of Charles Dickens very much.7. About 200 years ago, man began to use ____________________(蒸汽动力).8. A piece of _____________________(木板) is in the way. Can you help me move it?9. The two big companies made a _____________________(交易) at the meeting at last.10. We can’t believe that he has made such great ______________________(进步) recently.11. It was ______________(careful) of you to leave the door unlock.12. In the library, we should read in __________________(silent).13. Cheng Long is a ____________________(celebrate) actor.14. Goldfish were swimming ________(lazy) in a group just under the surface.15. They gave the front gate three_____________(coat) of paint.II. 关键短语或词组10题（英汉互译）1. come along_________________________________2. a novel called…_____________________________3.think of ____________________________________4. what a pity _________________________________5. in silence___________________________________6.使翻转____________________________________7.诱使某人做某事____________________________8.继续做某事_______________________________9. 休息一会儿_______________________________10.嘲笑____________________________________III. 词汇选择（三选一）20题1. We have worked for two hours. Let’s have a rest.A. have a bathB. have a breakC. have a sleep2. Jack is a humorous guy. He always makes us laugh.A. funnyB. happyC. attractive3.Survey the car before you buy it.A. Look at carefullyB. Look out carefullyC. Look up carefully4. Everyone in the train station is waiting to board.A. get on the trainB. get on the busC. get on the ship5. After plenty of hard work, he has made progress in his handwriting.A. beatenB. increasedC. improved6. When Jason was painting the wall, some boys came along and wanted to join him.A.appearedB. arrivedC. noticed7. After supper, Bob continued working.A.stoppedB. went onC. gave on8. During the lecture, the class sat quietly and listened carefully.fortablyB. in silenceC. tiredly9. After a while, the baby fell asleep.A.After a momentB. SuddenlyC. After an hour10. He is so lazy that he spends his day eating and sleeping.A.activeB. suitableC. inactive11. What a pity! He lost the game.A.What funB. What a shameC. What a surprise12. Li Bai is a celebrated poet.A.well-knownB. greatC. ancient13. Everyone went to the party except Tom.A. expectB. besidesC. not including14. Mark is a naughty boy. He likes travelling and the feeling of _________________.A. sleepB. shoppingC. adventure15. Yu Hua works as a______________. Some of his novels are exciting.A. writerB. teacherC. architect16. ------I won the first prize in the English Speech Competition. -------_______________.A. Congratulations.B. Good luckC. Have fun17.is the hot gas that water changes into when it boils.A.AirB. SteamC. Oil18. The frog couldn’t jump because it was turned ____________.A.onB. downC. over19. Can you think________an idea to solve the problem.A.ofB. outC. about20. My brother is very _______ and he never helps clean the room.A. lazyB. cleverC. interestingIV. 课文重难点句子翻译5~10题（含该单元重点语法句型操练）1. 刘老师想鼓励她的学生读名著，所以她向他们展示这个由马克吐温所写，名叫汤姆索亚历险的幽默故事。
七年级下册第七周周末作业
Weekly Test for Unit 7一．选择填空（30分）( )1.My English teacher has a new __________.A. lookB. good-lookingC. hairD. glasses( )2. The woman _________ long hair is our math teacher.A. inB. withC. onD. of( )3. ---_________________________?---I’m tall and of medium build.A. What do you doB. How old are youC. What do you look likeD. What are you doing( )4. I don’t dance well, but my sister Linda _________.A. doesB. isC. doesn’tD. isn’t( )5. Peter always makes people bored. He can’t stop _________.A. talkingB. talkC. to talkD. talks( )6. I often write emails to my pen pals , but ________ writes me back.A. everybodyB. somebodyC. anybodyD. nobody( )7. My aunt is too _________ , so she needs to eat less and do more exercises.A. heavyB. tallC. shortD. thin( )8. He is of medium build , but I think he looks ________ fat.A. a bit littleB. a bit ofC. a little bitD. a little of( )9.--- Can you______ this word in English? ---Yes, I can.A. speakB. sayC. talkD. tell( )10. ---Who’s the beautiful girl_______ red? --- She is my sister Mary.A. inB. withC. forD. of( )11. Jenny ________ her mother, and her mother _________ very young.A. looks like, looks likeB. looks like, looksC. looks, looks likeD. looks, looks( )12. The pretty girl has __________ hair.A. long brownB. brown longC. a long brownD. a brown long( )13. Don’t eat sweet food ______. It’s bad for your teeth.A. anyB. moreC. any moreD. any long( )14. Wang Lin is a Chinese girl. She has_____ eyes and______ hair.A. blue, whiteB. black, whiteC. blue, blackD. black, black( )15. I am ___________ my watch, but I can’t_________ it.A. finding, look forB. finding, findC. looking for, look forD. looking for, find二. 完型填空(10分)Mr. and Mrs. Miller have a son and a daughter. 1. names are Alan and Mary. Mary is a student of a university. She is 2. . Their neighbors say to Mr. and Mrs. Miller, “Your 3.is beautiful. She is tall and pretty thin. She has long curly 4. .” Mary doesn’t like to talk with other people. She is a little 5. . Alan is twenty-five, but he 6. kind of old, 7. _ he doesn’t have much hair. His hair is 8. . The color is like the color of bananas. He’s very tall and is of medium 9. . He is a policeman and usually wears the 10. .三. 阅读理解(10分)Monday… oh, I don’t like Monday because I’ll have to go back to scho ol again after the weekend. Tuesday is not so bad. I usually play tennis with my friends after school. On Wednesday evening I don’t go out. I stay at home and do my homework. I like Thursday because the next day is Friday. I always go out on Friday —maybe to the cinema. I love the weekend. On Saturdays I stay in bed until （直到） lunchtime, and I sometimes go to the shops in the afternoon. In the evening we go to a club-there are good bands there every Saturday. Then on Sundays I go to my friend’s house or she c omes to mine. I usually visit my grandmother for an hour in the afternoon. Then the weekend is over and it’s Monday … and I feel bad again!( )1.The writer doesn’t like Monday because ________.A. Monday is the first day of a weekB. he just spent a happy weekendC. Monday is the first school day of a weekD. he will have many lessons on Monday( )2. The writer thinks Tuesday is not so bad because _________.A. he can play tennis with his friendsB. he has no homework to doC. he has a P.E. classD. he is free( )3. The writer may go to the movies on _______.A. MondayB. TuesdayC. WednesdayD. Friday( )4. What does the writer not do on weekends?A. Stay in bed until lunchtime.B. Watch football games on TV.C. Go to his friend’s house.D. Go shopping in the markets.( )5. From the text, we know that the writer ________.A. doesn’t like school very muchB. likes to stay at homeC. only likes FridayD. only likes Saturday( )( )( )( )( )( )( )( )( )( ) 1. A. Her 2. A. clever 3. A. daughter 4. A. hairs 5. A. outgoing 6. A. is 7. A. so 8. A. blonde 9. A. high 10. A. glasses B. His B. ugly B. son B. hair B. fun B. looks B. because B. brown B. build B. scarf C. Their C. good-looking C. children C. beard C. quiet C. likes C. when C. white C. age C. sunglasses D. Our D. smart D. kids D. mustache D. cute D. looks like D. if D. black D. body D. uniform四. 看图填词(10分)Today is Sunday. Lin Hong and her sister Lin Lin don’t need to go to 1_____.In the morning, they plant a tree in front of their house. In the afternoon, they want to help their parents do some2______.Lin Hong sweeps the room and Lin Lin 3_____ the windows. They are 4____but happy. In the evening, Lin Hong helps Lin Lin 5______his homework.五. 根据中文意思,用所给中文的适当形式完成句子.(15分)1. There are many basketball _________ (队) in America.2. The beautiful woman __________ (穿) blue is my aunt.3. Our English teach is very_________(受欢迎的) in our school.4. The old man always________ (看) comedies at home.5. The man of medium_________ (高度) is her husband Mr. Liu.6. My favorite pop _________ (歌手) are Johnny Dean and Ruth Smith.7. That girl is________ (好看的) but she is not so kind to people.8. Can she _________ (记得) John, my younger brother?9. I am a new students in the school, so ________ (没人) knows me.10. The little boy never_________(停止) talking in class.六．完成句子（10分）1. 他喜欢讲笑话。
七年级下册第七周周末作业
Weekly Test for Unit 7一．选择填空（30分）( )1.My English teacher has a new __________.A. lookB. good-lookingC. hairD. glasses( )2. The woman _________ long hair is our math teacher.A. inB. withC. onD. of( )3. ---_________________________?---I’m tall and of medium build.A. What do you doB. How old are youC. What do you look likeD. What are you doing( )4. I don’t dance well, but my sister Linda _________.A. doesB. isC. doesn’tD. isn’t( )5. Peter always makes people bored. He can’t stop _________.A. talkingB. talkC. to talkD. talks( )6. I often write emails to my pen pals , but ________ writes me back.A. everybodyB. somebodyC. anybodyD. nobody( )7. My aunt is too _________ , so she needs to eat less and do more exercises.A. heavyB. tallC. shortD. thin( )8. He is of medium build , but I think he looks ________ fat.A. a bit littleB. a bit ofC. a little bitD. a little of( )9.--- Can you______ this word in English? ---Yes, I can.A. speakB. sayC. talkD. tell( )10. ---Who’s the beautiful girl_______ red? --- She is my sister Mary.A. inB. withC. forD. of( )11. Jenny ________ her mother, and her mother _________ very young.A. looks like, looks likeB. looks like, looksC. looks, looks likeD. looks, looks( )12. The pretty girl has __________ hair.A. long brownB. brown longC. a long brownD. a brown long( )13. Don’t eat sweet food ______. It’s bad for your teeth.A. anyB. moreC. any moreD. any long( )14. Wang Lin is a Chinese girl. She has_____ eyes and______ hair.A. blue, whiteB. black, whiteC. blue, blackD. black, black( )15. I am ___________ my watch, but I can’t_________ it.A. finding, look forB. finding, findC. looking for, look forD. looking for, find二. 完型填空(10分)Mr. and Mrs. Miller have a son and a daughter. 1. names are Alan and Mary. Mary is a student of a university. She is 2. . Their neighbors say to Mr. and Mrs. Miller, “Your 3.is beautiful. She is tall and pretty thin. She has long curly 4. .” Mary doesn’t like to talk with other people. She is a little 5. . Alan is twenty-five, but he 6. kind of old, 7. _ he doesn’t have much hair. His hair is 8. . The color is like the color of bananas. He’s very tall and is of medium 9. . He is a policeman and usually wears the 10. .三. 阅读理解(10分)Monday… oh, I don’t like Monday because I’ll have to go back to school again after the weekend. Tuesday is not so bad. I usually play tennis with my friends after school. On Wednesday evening I don’t go out. I stay at home and do my homework. I like Thursday because the next day is Friday. I always go out on Friday —maybe to the cinema. I love the weekend. On Saturdays I stay in bed until （直到） lunchtime, and I sometimes go to the shops in the afternoon. In the evening we go to a club-there are good bands there every Saturday. Then on Sundays I go to my friend’s house or she comes to mine. I usually visit my grandmother for an hour in the afternoon. Then the weekend is over and it’s Monday … and I feel bad again!( )1.The writer doesn’t like Monda y because ________.A. Monday is the first day of a weekB. he just spent a happy weekendC. Monday is the first school day of a weekD. he will have many lessons on Monday( )2. The writer thinks Tuesday is not so bad because _________.A. he can play tennis with his friendsB. he has no homework to doC. he has a P.E. classD. he is free( )3. The writer may go to the movies on _______.A. MondayB. TuesdayC. WednesdayD. Friday( )4. What does the writer not do on weekends?A. Stay in bed until lunchtime.B. Watch football games on TV.C. Go to his friend’s house.D. Go shopping in the markets.( )5. From the text, we know that the writer ________.A. doesn’t like school very muchB. likes to stay at homeC. only likes FridayD. only likes Saturday( )( )( )( )( )( )( )( )( )( ) 1. A. Her 2. A. clever 3. A. daughter 4. A. hairs 5. A. outgoing 6. A. is 7. A. so 8. A. blonde 9. A. high 10. A. glasses B. His B. ugly B. son B. hair B. fun B. looks B. because B. brown B. build B. scarf C. Their C. good-looking C. children C. beard C. quiet C. likes C. when C. white C. age C. sunglasses D. Our D. smart D. kids D. mustache D. cute D. looks like D. if D. black D. body D. uniform四. 看图填词(10分)Today is Sunday. Lin Hong and her sister Lin Lin don’t need to go to 1_____.In the morning, they plant a tree in front of their house. In the afternoon, they want to help their parents do some2______.Lin Hong sweeps the room and Lin Lin 3_____ the windows. They are 4____but happy. In the evening, Lin Hong helps Lin Lin 5______his homework.五. 根据中文意思,用所给中文的适当形式完成句子.(15分)1. There are many basketball _________ (队) in America.2. The beautiful woman __________ (穿) blue is my aunt.3. Our English teach is very_________(受欢迎的) in our school.4. The old man always________ (看) comedies at home.5. The man of medium_________ (高度) is her husband Mr. Liu.6. My favorite pop _________ (歌手) are Johnny Dean and Ruth Smith.7. That girl is________ (好看的) but she is not so kind to people.8. Can she _________ (记得) John, my younger brother?9. I am a new students in the school, so ________ (没人) knows me.10. The little boy never_________(停止) talking in class.六．完成句子（10分）1. 他喜欢讲笑话。
2019-2020学年七年级英语下学期第七周周末作业试题 牛津版
2019-2020学年七年级英语下学期第七周周末作业试题牛津版一、根据中文写出下列短语15分1. 穿着警服2. 立刻__________________________3. 向左拐入4. 在交通灯处____________________5. 穿过遂道6. 在……的另一边________________7. 在校门口 8. 盼望做某事____________________9. 举行一个聚会 10. 邀请你出席欢送会_____________11. 过桥 12. 在第一个路口向右拐___________13. 笔直向前走 14. 绕着桌子走___________________15. 点燃篝火________________________二、根据括号中所给的汉语和句意写出单词10分1.They are ______________(害怕)that the policemen will catch them．2.Shall we take different ______________(路线)?3.Jack is swimming ______________(穿过))the pool.4.There are two big ____________(图书馆)in our school.5.Do you know the way to the ______________(博物馆)?6.Turn right at the second ______________(十字路口).7.He lives in the _____________(北方)of China.8.The _____________(警察)are looking for the robbers.9.Lily does not feel well so she goes to the ____________(医院).10.Li Lei, our ____________(班长)can help you with your problem．三．用所给动词的适当形式填空10分1. There ______________ (be) a new school in my hometown in three months.2. The old man is looking forward to _____ (meet) his son.3. There _______________(be) two football matches in our school tomorrow.4.She is afraid of______(stay) at home alone. She is afraid_____ (see) tigers.5. Kitty is surprised ___________ (get) so many lovely presents.6. The students stopped _________ (chat) when the teacher came in.7. Simon stopped _________ (talk) with me when he saw me on the way home.8. They ________ (win) the game this time, I think.9. We all know that the moon _________ (go) round the earth.10. My English is poor. I’ll try __________ (learn) it well.四、单项选择20分( )1. How do you come to school,______ bike or ______foot?A. on；onB. by；byC. by；onD. on；by( )2. Can you help me find ______the museum?A. the wayB. the way toC. to the wayD. the way to get( )3. Stop ______and listen to me.A. to drawB. drawC. drawingD.draws( )4. What are your parents going to do ______Saturday evening ?A. atB. onC. inD. / ( )5. It is ten ______walk to the shopping mall.A. minutes’B. minutesC. minu te’sD. minutes’s ( )6. This route is wrong．I”ll take ______one.A . the other B. other C. another D. any other ( )7. There ______a football match this evening.A. is going to haveB. will haveC. is going to beD. will be have( )8. He helped the blind man go ______the road.A. crossB. acrossC. overD. through ( )9.That river runs ________ our city.A. acrossB. throughC. aboveD. over( )10. We hope it ______ tomorrow.A. not rainB. not to rainC. doesn’t rainD. won’t rain( )11. Listen to me! I have to tell you.A. anything importantB. important anythingC. something importantD. important something( )12. Taiwan is _______ the south-east of China.A. inB. toC. atD. on( )13. The new teacher doesn’t know all her _______ names.A. students’B. student’sC. studentsD. student( )14. We are all tired. Let’s _________ a rest.A. to stop havingB. stop havingC. to stop to haveD. stop to have( )15. I’m busy today. I have lots of th ings_________.A. d oB. to d oC. doesD. doing( )16. How many girls are there in the classroom?_________.A. Not anyB. NoneC. NoD. Anybody( )17. The computer doesn’t work. I’m afraid you______ use it today.A. mayB. can’tC. needn’tD. mustn’t( )18. It’s a good school________.A. to studyB. to study in itC. to study inD. studying in( )19.Let’s go to the cinema,________?A. shall weB. will youC. are youD. do you( )20. Of the three men, one is a worker, _______ two are masters.A. the othersB. the otherC. othersD. other五、阅读理解（10分）Before you go to another country it is a great help if you know the language and some of the customs（风俗）of the country. When people meet each other for the first time in Britain, they say “How do you do?” and sh ake hands(握手). Usually they do not shake hands when they just meet or say goodbye. But they shake hands when they haven’t met for a long time or whenthey will be away form each other for a long time.Last year a group of German students went to England for a holiday. Their teachertold them that the English people hardly ever shake hands. So when they met their English friends at the station, they kept their hands behind their backs. The English students had learned that the Germans shake hands as often as possible, so they puttheir hands in front and got ready to shake hands with them. It made both of them laugh.（）1. It is _____ if you know the language and some of the customs of a country before you pay a visit to that country.A. not usefulB. not helpfulC. very helpfulD. very bad（） 2. English people usually shake hands when they ______.A. meet every timeB. meet for the first timeC. say goodbye to each otherD. say hello to each other（） 3. Usually, English people don’t shake hands _____.A. when they will be away for a long timeB. when they say “How do you do?”C. when they just meet or say goodbyeD. when they haven’t met for a long time（） 4. Which is right?A. German people shake hands as often as possible.B. English people like shaking hands very muchC. German people hardly ever shake hands.D. Both English people and Germans don’t like shaking hands.（） 5. This story is about _____.A. shaking handsB. languagesC. customsD. languages and customs六、根据首字母提示完成短文（10分）“You are welcome to have d_______ with me on Sunday,” said John.“But I don’t know w_______ your house is,” said Henry.It’s easy. You get o_______ the bus. Then cross the road, and take the firstt_______ on the left. Walk for five m_______. Then you’ll see a big tree. Takethe s______ turning on the right after the tree. Walk about a hundred metres downthis road. There is a big red house. Go p_______ the big house about five hundred metres, a nd you’ll see a small y________ house beside a little tree. Open the doorwith your foot.”“With my foot?” said Henry.“Why, yes,” said John. “Well, you won’t c_______ to my house empty-handed(空手地), w_______ you?”1.___________2. __________3. __________4.__________5.__________6.___________7. __________8. __________9.__________ 10.__________七、句子翻译15分1．今天晚上，我打算在我住的地方开个生日聚会。
七年级英语下学期第7周周末作业试题(共10页)
文汇中学2021-2021学年七年级英语下学期第7周周末(zhōumò)作业Ⅰ．音标〔5分〕从选项里面选出符合单词读音的音标。
〔一共5小题，每一小题1分〕( ) 1. journey A. ['dʒə: ni:] B. ['dʒa: ni] C. ['dʒə: ni]( ) 2. chemical A. ['kemikl] B. ['kə: mikl] C. ['kə: mi: kl]( ) 3. return A. [ri'tə:n] B. [ri'tə: n] C. [ri'tə: n] ( ) 4. drop A. ['drɔ:p] B. ['dru:p] C. ['drɔp] ( ) 5. salt A. [sɔ:t] B. [sɔ:l t] C. [se l t]II．词语释义〔5分〕从下面每一小题的A、B、C、D四个选项里面选出可以交换划线局部的最正确选项，( ) 6. He has to return the book to the library on time . This is the rule of the library.A. takeB. bringC. give backD. save( )7. I like drinking coffer and I like to add some sugar to it.A . put…in B. take away from C. give to D. spend to ( )8. These books are very valuable to me, because I can neverbuy it in the market.A. beautifulB. helplessC. useful and importantD.ordinary( ) 9. After he finishes his homewor , he continued reading some books.A. went outB. went onC. keptD. came on( )10. — Are you tired after swimming so long?— Yes, I feel a bit tired. Please let me have a rest.A. a lotB. tooC. a littleD.veryIII. 从下面每一小题的A、B、C、D四个选项里面选出可以填入空白处的最正确选项，并在答题卡上将相应的字母编号涂黑。
周末作业(第七周)
班级姓名家长签字批改时间完成等级初一语文（下）第七周周末作业：《最后一课》复习题1．下面没有错别字的一项是（）A．紫腾宛转操练忠诚责备 B．礼服绉边领结磨损口齿C．摇晃督学视查穿戴钓鱼 D．晴朗赚钱宁可纵身戒尺2．依次填人下列横线上的词语，最准确的一项是（）(1)韩麦尔先生见了我，很地说：“快坐好……”(2)韩麦尔先生已经坐上椅子，像刚才对我说话那样，又又严肃地对我们说：“我的孩子们……”(3)天气那么，那么晴朗！A柔和暖和温和 B.暖和柔和温和C温和暖和柔和 D．温和柔和暖和3、下列句子没有使用修辞手法的一项是（）A．画眉在树林边宛转地唱歌；锯木厂后边草地上，普鲁士兵正在操练。
B．难道这样就算了吗？C．这些字帖挂在我们课桌的铁杆上，就好像许多面小国旗在教室里飘扬。
D．总看见韩麦尔先生坐在椅子里，一动也不动，瞪着眼看周围的东西，好像要把这小教室里的东西都装在眼睛里带走似的。
6．课文中说飞进来的金甲虫没有影响专心画“杠子”的孩子们，这说明（）A．孩子们对祖国文字的热爱。
B．韩麦尔先生的课讲得太风趣幽默了。
C．金甲虫孩子们玩腻了。
D．韩麦尔先生的激情深深地吸引了孩子们。
7. 对小说中人物的地位及对主题的作用理解正确的一项是（）A．小弗郎士是小说的主要人物，韩麦尔先生的爱国之情是通过小弗郎士的观察展现的。
B．韩麦尔是主要人物，小说是通过他上最后一课的言行歌颂法国人民的爱国情感的。
C．韩麦尔是主要人物，小弗郎士只是一个陪衬，起贯穿情节的线索作用。
D．他们都是主要人物，小说的主题是通过他俩的言行、心理描写展现出来的。
歌颂了他们的爱国主义情感。
8．在画线部分填上恰当的话，使分号前后内容、句式对应，修辞方法相同。
①悲观者说，希望是地平线，就算看得见，也永远走不到；乐观者说，希望②乐观者说，风是帆的伙伴，能把你送到胜利的彼岸；悲观者说，风是 _______，____________，___________。
9、回答下列问题。
三年级下册第7周英语周末作业
三年级下册第7周英语周末练习班级___________ 姓名___________ 考号____________ 家长签字周末作业:1.抄写和听写Beeno书Unit1的单词和句子.2.听,读和背Unit1一.找出音素不同的单词。
( ) 1 .A. music B .kitten C.library( ) 2. A. maths B. craft C. art( ) 3. A. fifth B .Chinese C.right( ) 4 .A. tree B. drink C. trousers( ) 5 .A. clock B. floor C. flower( ) 6 .A. green B. cream C grey( ) 7 .A. happy B .play C. puppy( ) 8. A. foot B .food C. good( ) 9. A. ground B. glass C.grass( ) 10 .A friend B. fruit C .breakfast二.写出下列单词的序数词。
1. two ___________2. one ___________3. three _______4. four____________5. five __________6. six _______7. eight ___________ 8. nine __________ 9. tenth _______10. eleventh _________ 11. twelve __________ 12. thirteen ________ 13. fourteen___________ 14. fifteen __________ 15. sixteen________16. seventeen___________ 17. twenty__________ 18. twenty-one ______三.中译英.1.电脑室___________________2.美术室_____________________3.图书室__________________4.厕所_____________________5.音乐室___________________6.开放日____________________7.打扰了___________________8.办公室____________________9.在左边____________________ 10.在右边_____________________四.连词成句.1. room art where’s please the (,?)________________________________________________________2. on the it’s seventh floor ( . )_________________________________________________________3. toilets where the are (?)____________________________________________?4. on the they’re floor the ground left on (, .)__________________________________________________________5. men come two talk up to Jim to ( . )___________________________________________________________6. they why are talking the computer about ( ?)_____________________________________________________________7．good citizen you’re a ( ? )______________________________________________________________五．选择正确的答案。
第七周周末作业
九年级英语第七周周末作业★夯实基础一、旧词巩固flat knock break below miss question（v.）guiltyundergroundbesidealonefrightenedcontinueassistantrudecomplainextranotechangereceive新词学习persuade communication hurtbehave behaviorcarriageviolenthairunhelpfulkindergartenrenteducationmedicaladviseconclusion二、词形转换：1. ____________________________ n. 行为；举止____________________________ v. 表现2. _____________________ adj. 无用的；不愿帮助的_____________________ adj. 有用的，乐于助人的____________________________ v.&n. 帮助3. __________________________ n. 房屋__________________________ n. 住房4. __________________________ n. 教育__________________________ adj. 教育意义的____________________________ n.教育工作者5. __________________________ n. 医药__________________________ adj. 医药的6. ____________________________ v. 建议____________________________ n. 建议7. _________________________ v. 总结_________________________ n. 结论8. _________________________ n. 沟通；交流_________________________ v. 沟通；交流9. ____________________________ v. 拥有____________________________ n. 主人10. ___________________________ n. 问题____________________________ v. 提问；质问11. _________________________ v. 请________________________ n. 高兴____________________________ adj. 满意的；愉快的_________________________ adj. 令人愉快的12. _____________________ adj. 疲劳的；疲倦的_____________________ adj. 令人疲劳的三、重点短语1.偶然地2.在玩耍3.什么也没有说4.乘地铁回家5.单独旅行6.对某人感到很抱歉7.憎恶暴力行为8.一张100元的钞票9.忙于抱怨10.错误地11.如果必要的话12.不关某人的事13.出发去（某地）14.上车15.下车四、课文经典句型1. 我很长时间没见我的朋友Amy了.2. 她意外地打碎了一个在窗台上的花盆.3. 没有人受伤,因此我们没说什么就去了电影院.4. Amy太害怕了,以至于不敢告诉警察.5. 现在我感到很内疚,不知道该怎么做…6.他们坐在一个单独旅行的小男孩身边.7. 那个男孩太害怕了,于是他移动到其他的座位.8. 我对那个男孩感到很抱歉但我不知道怎样帮助他.9. 她正忙于抱怨.10. 因为她很粗鲁,所以我决定保存那钱.★练习巩固一. 用括号内单词正确形式填空。
五年级上册英语周末练习(第七周)
第七周英语周末练习纸班级：____________ 姓名：_____________ 家长签名：______________一、根据中文写英语：1、高的_______2、矮的_________3、有礼貌的 _________4、友好的__________5、安静的_____________6、年轻的_____________7、年老的_____________8、胖的_____________9、瘦的_____________10、幽默的_____________11、慈祥的_____________12、严格的_____________13、漂亮的_____________ 14、先生_____________15、小姐_____________16、聪明的_____________17、能干的_____________18、害羞的____________19、努力工作的_____________ 20、开心的_____________21、糖果_____________22、许多_____________23、刮风的_____________24、晴朗的_____________25、婴儿_____________26、抱歉_____________27、家庭_____________28、派对_____________29、完成_____________30、我们的________ 31、星期一________32、星期二________33、星期三________34、星期四________35、星期五________ 36、星期六________37、周末________38、一周________39、语文________40、数学________41、英语________42、美术________43、体育________44、电脑课________45、科学________46、脚（复数）________47、牛肉________ 48、认识________49、茶________50、读________51、吃________52、洗我的衣服________53、看电视________54、做作业________55、读书________ 56、踢足球________57、打乒乓球________58、听音乐________59、一些面条________60、一块三明治________61、两个汉堡包________62、鸡肉________63、面包________64、米饭________65、蔬菜________66、水________67、橙汁________68、牛肉________69、茶________70、冰激凌________71、沙拉________72、食物________73、饮料________74、新鲜的________75、健康的________76、美味的________77、辣的________、78、甜的________79、牛________80、花________81、哇________82、往下________83、慢的________84、雪________85、黄色________86、窗户________84、87、菜单________88、鱼肉________89、牛奶________90、西红柿________三、按实际情况回答下列问题：1、Who is your English teacher ?__________________________2、What is your English teacher like ? __________________________3、Is your English teacher young ? __________________________4、Is your mother old？__________________________5、Who is your science teacher ? __________________________6、Do you like your new teacher ? __________________________7、What are your parents like ? (努力工作和聪明) __________________________8、How many new teachers do you have ? __________________________9、What’s your name ? __________________________10、How old are you ? __________________________11、Do you like English ? __________________________12、What day is it today ? __________________________13、How many days are there in a week ? __________________________14、What do you have on Mondays? __________________________15、What do you have on Tuesdays? __________________________16、What do you have on Wednesday? __________________________17、What do you have on Friday? __________________________18、Do you often do homework on the weekend? __________________________19、Do you play football on the weekend? __________________________20、What do you often do on the weekend? __________________________21、What do you do on the weekend? __________________________22、Do you have maths on Monday? __________________________23、Do you like P.E.? __________________________24、Is your mother strict? __________________________25、Is your father kind? __________________________26、Is your Chinese teacher old? __________________________27、What day is it today?(星期三) __________________________28、What day is the first day in a week? __________________________29、What day is the last day in a week? __________________________30、What’s your favourite drink? __________________________31、What’s your favourite food? __________________________32、Do you like bananas? Why? __________________________33、Do you like beef? Why? __________________________34、What’s your favourite teacher?__________________________35、What would you like to eat?__________________________36、What would you like to drink?__________________________37、What would you like to do on the weekend?__________________________38、Do you like chillis? Why?__________________________。
第七周周末作业6班
第七周周末作业
语文：
1、背课后前五首古诗、25课各两遍（家长落实）；
2、在抄写本上抄写24课课文一遍，要求书写工整，格式正确；
3、月考作文要求重写的同学在练习本上重写作文。
数学：
1、配套练习册做到46页；
2、复习相似前面所学，预习下周要学的相似知识；
英语：
1、《学英语》报第2版重点短语造句（17句）；
2、整理改错本，并写一篇有关月考试卷和前期学习的总结（不少于300字）；
3、作文 my problem
化学：
1、练习册《同步解析与测评》课题1、分子和原子；课题
2、原子的结构（第七题不做）
2、复习三单元所学知识，背诵默写笔记；罚抄写笔记的按要求抄写；
3、复习前面所学，预习后面内容。
物理：
1、完成《名校1号》练习册第二节“让电灯发光”（第42至45页）；
2、复习前面所学，预习后面内容。
注：结合月考各科成绩、名次、前期学习情况、后期努力方向、目标写一篇月考总结，不少于500字（就写在作业清单的背面）
学生姓名：家长检查签字：。
推荐九年级上学期英语周末作业(第7周)
I. 词汇填空15题（汉英互译，可含词性变换）1. We can often see f_____________ jump here and there near the pond in summer.2. He wrote his a__________________ in the African forests in his diary.3. The f_______________ in the middle of the road is about 1 meter high.4. He said that he couldn’t finish the t_______________ alone on time.5. Paul is a l_______________ boy and he does nothing at home.6. My cousin likes to read the __________________ (小说) of Charles Dickens very much.7. About 200 years ago, man began to use ____________________(蒸汽动力).8. A piece of _____________________(木板) is in the way. Can you help me move it?9. The two big companies made a _____________________(交易) at the meeting at last.10. We can’t believe that he has made such great ______________________(进步) recently.11. It was ______________(careful) of you to leave the door unlock.12. In the library, we should read in __________________(silent).13. Cheng Long is a ____________________(celebrate) actor.14. Goldfish were swimming ________(lazy) in a group just under the surface.15. They gave the front gate three_____________(coat) of paint.II. 关键短语或词组10题（英汉互译）1. come along_________________________________2. a novel called…_____________________________3.think of ____________________________________4. what a pity _________________________________5. in silence___________________________________6.使翻转____________________________________7.诱使某人做某事____________________________8.继续做某事_______________________________9. 休息一会儿_______________________________10.嘲笑____________________________________III. 词汇选择（三选一）20题1. We have worked for two hours. Let’s have a rest.A. have a bathB. have a breakC. have a sleep2. Jack is a humorous guy. He always makes us laugh.A. funnyB. happyC. attractive3.Survey the car before you buy it.A. Look at carefullyB. Look out carefullyC. Look up carefully4. Everyone in the train station is waiting to board.A. get on the trainB. get on the busC. get on the ship5. After plenty of hard work, he has made progress in his handwriting.A. beatenB. increasedC. improved6. When Jason was painting the wall, some boys came along and wanted to join him.A.appearedB. arrivedC. noticed7. After supper, Bob continued working.A.stoppedB. went onC. gave on8. During the lecture, the class sat quietly and listened carefully.fortablyB. in silenceC. tiredly9. After a while, the baby fell asleep.A.After a momentB. SuddenlyC. After an hour10. He is so lazy that he spends his day eating and sleeping.A.activeB. suitableC. inactive11. What a pity! He lost the game.A.What funB. What a shameC. What a surprise12. Li Bai is a celebrated poet.A.well-knownB. greatC. ancient13. Everyone went to the party except Tom.A. expectB. besidesC. not including14. Mark is a naughty boy. He likes travelling and the feeling of _________________.A. sleepB. shoppingC. adventure15. Yu Hua works as a______________. Some of his novels are exciting.A. writerB. teacherC. architect16. ------I won the first prize in the English Speech Competition. -------_______________.A. Congratulations.B. Good luckC. Have fun17.is the hot gas that water changes into when it boils.A.AirB. SteamC. Oil18. The frog couldn’t jump because it was turned ____________.A.onB. downC. over19. Can you think________an idea to solve the problem.A.ofB. outC. about20. My brother is very _______ and he never helps clean the room.A. lazyB. cleverC. interestingIV. 课文重难点句子翻译5~10题（含该单元重点语法句型操练）1. 刘老师想鼓励她的学生读名著，所以她向他们展示这个由马克吐温所写，名叫汤姆索亚历险的幽默故事。
小升初语文第七周周末优化作业
小升初语文第七周周末优化作业小升初语文第七周周末优化作业一、选择正确的解释。
“负”，用音序查字法，应先查大写字母;用部首查字法，应先查部首，再查画。
“负”在字典中有这几种解释：(1)背;(2)仗恃，依靠;(3)遭受;(4)具有;(5)欠钱;(6)败，跟“胜”相反;(7)违背，背弃“廉颇负荆请罪”中的“负”应选第种解释;“小牛队负于黄蜂队”中的“负”应选第种解释;“如今，他已经负债累累”的“负”应选第种解释。
二、选词填空。
审阅浏览恳求乞求1、晚饭后，爸爸坐在沙发里边喝茶边( )当天的报纸，而妈妈在台灯下( )公司的设计图纸。
虽然……但是…… 不是……而是…… 不是……就是……1、孔子( )知识十分渊博，( )对于两小儿的问题，他无法答复。
2、孔子( )不想答复两个孩子的问题，( )对于这问题无法作出正确的判断。
三、按要求改写句子。
1、把下面的格言补充完整。
种树者必培其根，操千曲而后晓声，2、把句子改写成陈述句。
没有我们的帮助，你怎么能完成这一项任务呢?3、缩句：乡下的老屋旁种着树形优美、高大而笔直的桃花心木。
4、照样子写一句排比句。
她俩在光明和快乐中飞走了，越飞越高，飞到那没有寒冷，没有饥饿，也没有痛苦的地方去了。
四、阅读?? 野鸭一天，我在小山上散步，突然看见在一束枯草旁边躺着一只野鸭。
起初，我以为这只野鸭是害怕被人发现，成心藏在那儿的，就用树枝轻轻地(拨、拔)了她一下，想叫她站起来，可她却一动不动。
我觉得奇怪，便弯下身仔细看，才发现她已经死了。
她身体的一侧微微向上翘起，脖子向前伸着，嘴张着，里面(赛、塞)满了雪。
她的翅膀(稍稍、捎捎)张开，一条腿伸向后面。
在她的腿跟前有两只蛋。
看见这两只蛋，我就把这只死鸭提起来。
果然，在她身子底下有一个巢，里面有十一只蛋，连同外面的两只，一共十三只。
我把她仔细地看了一遍，在她身上没有发现一处伤痕或(遭、糟)受暴力的迹象。
从她身上的`各种情形来看，她是被冻死的。
中学 9年级 英语 第7周 周末作业
紫庄中学 9年级英语第7周周末作业一、熟读：（朗读短文 25----30）。
朗读时，一定要保证朗读短文的完整性和流利性，同时，注意语音语调、停顿、节奏感。
二、熟读、背诵：（话题简述 16-----20）背诵时，一定要保证背诵短文的准确性和流利性。
三、根据所给句子的汉语意思，背诵、默写出下列句子：1、我和父母在香港已经三天了，我们在这儿过的很愉快；2、在这天的最后，我们观看了一场烟火表演；3、我在那里拍了许多照片，回来后会给朋友们看。
4、上星期六我们乘地铁去了迪士尼乐园；5、当迪士尼人物游行在下午晚些时候开始时，我们非常激动；它是一天最精彩的部分，游行后，我们观看了一部立体电影；6、我们在乐园里呆了大约8小时，它可真是激动人心的一天。
7、桑迪想为她的朋友贝蒂买一件生日礼物；8、贝蒂喜欢发夹；桑迪发现了一对漂亮的发夹，它们与贝蒂最喜欢的那件外套相配；9、最后，桑迪决定买那对发夹和一张激光唱片；总价是28 元。
10、我的学校附近有一个新的购物中心；它于去年建成；11、在顶楼有很多餐厅，在那里你可以品尝来自不同国家的不同风味的食物；这个购物中心真是个有趣的去处。
12、扎龙自然保护区是世界上最重要的湿地之一；许多鸟生活在那里；湿地里有许多鱼，所以鸟儿能容易地找到食物。
13、现在，越来越多的鸟儿因为没有足够的生存空间而处于危险当中；它们中的许多已经死掉了。
14、中国政府想要保护这些濒危鸟类，它们在像扎龙这样的保护区会是安全的。
15、我们喜欢观鸟；我们每年数两次鸟儿，以研究鸟儿在数量方面的变化；16、许多人不知道湿地的重要性；我们希望这则信息会有助于他们理解。
它可以使他们采取行动来保护野生动物。
17、我是个中学生，上周我设计了一件上衣，一条短裙和一双靴子；18、黑色的上衣是用羊毛制成的，长而漂亮；红色的裙子也是用羊毛制成的，适合在秋天穿；靴子是短筒皮靴，与衣服很相配；19、上周六，我们班举行了一场时装表演，我们都穿着20世纪不同时代的服装；20、海伦看上去色彩鲜艳，她的一身衣服来自20世纪80年代；约翰看起来很休闲，穿着蓝黄相见的运动衣和一双色彩鲜艳的运动鞋；21、我与父母一起住在一个小城镇；22、我们的公寓在四楼，有三个卧室、一个客厅、一个厨房和一个浴室；23、我的卧室有一扇大的窗户，在我们的楼附近有一个花园，所以我从卧室的窗户可以看到花园里的鲜花和树木；24、我们家离我的学校不远，我每天步行上学。
八年级数学下学期第七周周末作业试题试题
八年级数学第七周周末试卷制卷人：歐陽文化、歐陽理複；制卷時間：二O 二二年二月七日一、选择〔每一小题3分，一共30分〕 1. 以下函数中，是反比例函数的是〔 〕 A. y x =-2B. y x =-12 C. y x=-11D. y x =122、平面直角坐标系中有六个点(15)A ，，533B ⎛⎫-- ⎪⎝⎭，，(51)C --，，522D ⎛⎫- ⎪⎝⎭，，533E ⎛⎫ ⎪⎝⎭，，522F ⎛⎫ ⎪⎝⎭，，其中有五个点在同一反比例函数图象上，不在这个反比例函数图象上的点是〔 〕 A ．点CB ．点DC ．点ED ．点F3、假如点〔3，－4〕在反比例函数ky x =的图象上，那么以下各点中，在此图象上的是( )A.〔3,4〕B. 〔－2，－6〕C.〔－2，6〕D.〔－3，－4〕 4、在反比例函数3k y x-=图象的每一支曲线上，y 都随x 的增大而减小，那么k 的取值范围是 〔 〕A ．k ＞3B ．k ＞0C ．k ＜3D ． k ＜0 5.假设点A(-2,1y ),B(-1,2y ),C(1,3y )在反比例函数y=1x的图象上, 那么以下结论正确的选项是( )A.1y >2y >3yB.3y >1y >2yC.2y >1y >3yD.3y >2y >1y2y x=-，以下说法不正确的选项是．．．．．．．〔 〕 A 、点( 1 2)-，在它的图象上B 、它的图象在第二、四象限C 、当0x >时，y 随x 的增大而减小D 、当0x <时，y 随x 的增大而增大 7.0k >，函数y kx k =+和函数ky x=在同一坐标系内的图象大致是 〔 〕8、在一个可以改变体积的密闭容器内装有一定质量的二氧化碳，当改变容器的体积时，气体的密度也会随之改变，密度ρ〔单位：kg/m 3〕是体积V 〔单位：m 3〕的反比例函数，它的图象如图3所示，当310m V =时，气体的密度是〔 〕 A ．5kg/m 3B ．2kg/m3C ．100kg/m 3D ，1kg/m 39、甲、乙两地相距s 〔km 〕，汽车从甲地匀速行驶到乙地，那么汽车行驶的时间是t 〔h 〕与行驶速度v 〔km/h 〕的函数关系图象大致是〔 〕10、在反比例函数4y x=的图象中，阴影局部的面积不等于4的是〔 〕二．填空〔每一小题3分，一共24分〕2y x=xyOP 1P 2P 3 P 4 1 234CB AyxO 11、假如函数122--=m x m y 是反比例函数，那么=m ____________.12、假设反比例函数3y x=的图象上有两点1(2 )A y ，，2(3 )B y ，，那么1y ______2y 〔填“>〞或者“=〞或者“<〞〕。
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高一数学第七周周末作业
一．平面向量的基本概念
1.在下列命题中，正确命题的个数为 ．
①a ·0＝0；②0·
a
＝０；③（→a ·→b ）→c =→a （→b ·→c ）
+=-，则0=b ；⑤→a ·→
b -→
b ·→a =→
0；
⑥1===→
→
→
c b a ，且→a ∥→b ，→b ∥→c ，则→a 与→
c 是模相等且同向或反向的两个向量
⑦ a ·
b ＝０，则a 与b
中至少有一个为0；
二．平面向量的线性运算
2.在四边形ABCD 中，若AC AB AD =+，则四边形ABCD 的形状一定是 ( ) (A) 平行四边形 (B) 菱形 (C) 矩形 (D) 正方形
3.已知D 、E 、F 分别是三角形ABC 的边长的边BC 、CA 、AB 的中点，且BC =
a ，CA =
b ，
AB =c ，则①EF =
1122-c b ，②BE =12+a b ，③CF =11
22
-+a b ，④0A D B E C F ++=中正确的等式的个数为 ( )
（A ）1 （B ）2 （C ）3 （D ）4 4.化简下列各式：（1）)(CD AB -－)(BD AC -= ； （2）-－QM QN += ；
5.三个力1F ，2F ，3F 的大小相等，且它们的合力为0，则力2F 与3F 的夹角为 ．
三．平面向量的坐标运算
6．已知
=（-1,3）,
=（x,-1），且
∥
，则x 等于（ ）
11.3 .
.-3 .-33
A B C D 7．已知向量 =（6,1）, =（x,y ）, =（-2,3）,则 =（ ）
A ．（x+4,2-y ）
B ．（x-4,2-y ）
C ．（x-4,y-2）
D ．（-4-x,-y+2）
8.若向量 =（1，-2）的终点在原点，那么这个向量的始点坐标是 ．
四．平面向量的数量积
9.(2008湖北高考,理1)设a ＝（1，-2），b ＝（-3，4），c ＝（3，2）,则（a +2b ）·c 等于( ) A.（-15，12） B.0 C.-3 D.-11
10.已知向量a (1,5)=，b (3,2)=-，则向量a 在b 方向上的投影为 ．
五．平面向量的模
11.已知正方形ABCD 的边长为1，AB =
a ，BC =
b ，AC =
c ， 则++a b c 等于 ( )
(A) 0 (B) 3 (D)12.(2008上海高考,5)若向量a ,b 满足|a |＝1,|b |＝2,且a 与b 的夹角为
3
π
,则|a +b |＝_______ 13.已知向量a 和b 的夹角为0
120，||1,||3a b ==，则|5|a b -= ．
14.向量a ，6=10=-的取值范围是 ．
15.6=8=10=-=+ ．
16.(2008海南、宁夏高考,理13)已知向量a ＝(-1,1),b ＝(4,1,),|λa +b |＝5,且λ＞0,则λ＝________________.
六．平面向量的平行与垂直
17.已知平面向量a =（1，－3），b =（4，－2），a b λ+与a 垂直，则λ是
18.设向量(12)(23)==，，，a b ，若向量λ+a b 与向量(47)=--，c 共线，则=λ ．
19.(2008全国高考卷Ⅱ,13)设向量a ＝(1,2),b ＝(2,3).若向量λa +b 与向量c ＝(-4,-7)共线,则λ＝_____________.
(1,0),(0,2)(3,4).
A B C P AB AB CP P ⊥20.已知，若点在直线上，且，则点坐标是_____ 21．已知点O （0，0），A （1，2），B （4，5），且OP → =OA → ＋tAB → ．
（1）当t 变化时，点P 是否在一条定直线上运动？ （2）当t 取何值时，点P 在y 轴上？
（3）OABP 能否成为平行四边形？若能求出相应的t 值；若不能，请说明理由．
22.设两非零向量e 1和e 2不共线.
(1)如果AB ＝e 1+e 2,＝2e 1+8e 2,＝3(e 1-e 2),求证:A 、B 、D 三点共线; (2)试确定实数k,使k e 1+e 2和e 1+k e 2共线; (3)若|e 1|＝2,|e 2|＝3,e 1与e 2的夹角为60°,试确定k 的值,使k e 1+e 2与e 1+k e 2垂直.
七 平面向量的夹角
a,1204,4,
c 2a ,3a b b b
d b ===+=-23.若的夹角为，且a 则+2的夹角的余弦值为______.
24.已知)2,(λλ=→
a ，)2,3(λ=→
b ,如果→
a 与→
b 的夹角为锐角,则λ的取值范围是 25.（佛山2011普通高中高三教学质量检测（一））已知向量，则向量的夹角的余弦值为__________. 26.若向量a 与b 不共线,a ·b ≠0,且
c ＝a -(b
a a
a ∙∙)
b ,则向量a 与
c 的夹角为( ) A.0 B.
6π C.3π D.2π
(1,1),2(4,2)=+=a a b ,a b
A
B
M
C
27.已知：→a 、→
b 、→
c 是同一平面内的三个向量，其中→
a =（1，2） （1）若|→
c |=25，且→
c ‖→
a
，求→
c 的坐标
（2）若|→
b |=2
5，且→a +2→
b 与2→a -→b 垂直，求→a 与→b 的夹角θ.
八．平面向量的运用
28.如图，
ABCD 中，点M 是AB 的中点，点N 在BD 上，且 BN =3
1
BD ，
求证：M 、N 、C 三点共线．
第七周周末作业答案
1、2个
2、A
3、C
4、(1)0;(2)PM 5120、 6、B 7、(4x,4y)----
8(1,2) 9 C 10 D 127 14[4,16] 1510 164 17 1
11211182 19 20(,) 23 255533---∞⋃⋃∞、、、、、、、、4、、2、、、(-,-)(0,)(,+)、D
3
31
21.(,),(,)(1,2)(3,3),321
(1),1,13
1
,3
143
(3),253x t P x y x y t y t t x y x P y x P y x x OABP OA PB y y =+⎧==+⎨=+⎩
=-=+=+=-=⎧⎧=⎨⎨
=-=⎩⎩解：(1)设由已知得即将第一式整理得
代入二式得故点在直线上运动;(2)令x=0，则t=-此时在轴上；
不能；若可成为平行四边形，则有即 解得该点不在直线y=x+1上，矛盾，OABP 故不能成为平行四边形.
121222.(1)555()5,//.BD BC CD e e e e AB BD AB =+=+=+=∴解：由已知得又由于有公共点B ，故A 、B 、D 三点共线.
12121212(2)1 1.
1k ke e e ke ke e e ke k k λ
λλλ=⎧+++=+⇒==-⎨=⎩
若与共线，则有（），即
或22
21212121212122
2
202121212(3)
()(),()()0,(1)0,
(1)0,2331330,ke e e ke ke e e ke ke ke k e e k e k e k e e e e k k k +⊥+∴+⋅+=+++⋅=+++⋅===∴++=∴=
即又，，夹角为60，
222
2
2
2
22
2027.(1)(,),4420(2,4)(1,2), 5.(2)(2),(2)(2)0,
23023cos 0cos x x x y c x y y y y x c a a a b a b a b a b a b a b a b a b a b θθ==-⎧+=⎧⎧=⎨⎨⎨
==--=⎩⎩⎩∴==∴=+⊥-∴+⋅-=-+⋅=-+⋅==解：设由已知可得 解得或或(-2,-4).
(2)即2，2，代入，计算得1[0,180],180.
θθ-∈∴=，又111
28.,,,,(),223
11111
(),23632
1
3()3,2AB a AD b MB AB a BD b a BN b a MN MB BN a b a a b MC MB BC MB AD a b a b MN MN M ===
==-∴=-=+=+-=+=+=+=+=+=∴解：设则与C M N C ∴共线.又由于公共点M ，、、三点共线.。