全国卷2019届高考英语一轮复习Unit4Astronomy：thescienceofthestars课时作业新人教版必修3

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2019高考英语一轮优编选题Unit4Astronomythescienceofthestars(含

Unit 4 Astronomy the science of the stars李仕才一、阅读理解。

This month, the singing competition, American Idol, will come to an end. For years, the popular show was a platform for rising artists. With a group of famous judges and a wide range of talents, it is clear that the competitive atmosphere of American Idol will remain unrivaled by any other show. After all, its success has been ＂unmatched in broadcasting history.＂American Idol came from the British series Pop Idol. Through an application, contestants came into the competition and thereafter, were chosen to audition(试音)for the show. Each candidate would have to perform a piece to the judges, and participate in a strict selection process. Not only would contestants have to sing in groups, they were sometimes tasked to perform pieces without musical instruments. At the end of this stage, only 24 o 36 artists were chosen to enter the semi-final stage. Soon, the fate of the contestants would be decided by the public. During the candidate’s live performance, a free telephone number was displayed on the screen for viewers to dial, to cast their vote. At the end of the night, only 13 lucky singers would be left in the competition; by the finals, only 8 contestants would remain. Finally, a runner-up(亚军)and a winner were announced every season. Though only the winner would receive a million dollar reward and a significant record deal, other contestants would have had a chance to be known by the public. As the famous producer Simon Cowell once said, ＂The point of the show is not to be mean to loser, but to find a winner.＂ As the final season of the program begins, past winners will return to the stage to say goodbye and a new winner will be announced. With amazing performances and an excellent cast of singers, the show’s conclusion will leave audiences nostalgic(怀旧的), but more satisfied than ever.1. Those who enter American Idol will _______.A. share the one million dollar reward togetherB. be asked to perform in pairs in the semi-finalsC. experience at least three rounds of performancesD. have the chance to become famous even if they fail2. Who play the most important roles in the finals of American Idol?A. The audiencesB. The past winnersC. The judgesD. The record companies3. The author thinks the conclusion of American Idol will _________.A. change its historyB. be worth watchingC. not be the last seasonD. pick her favorite singer4. In which section of the newspaper may you probably find the passage?A. AdvertisementB. FinanceC. EntertainmentD. Business【语篇解读】本文为说明文，介绍了很受欢迎的流行节目American Idol和它的比赛过程。

2019年高考英语一轮复习Unit4Astronomythescienceofth

1．fundamental adj. 2．chain n. 3．dissolve vt.& vi. 4．acid n. 5．multiply vi.& vt. 6．gravity n.
_基__本__的__；__基__础__的_______ _链__子__；__连__锁__；__锁__链__ _溶__解__；__解__散______ _酸_____ _乘__；__增__加____ _万__有__引__力__；__重__力___
7．extinct adj. 8．exhaust vt. 9．satellite n. 10．spaceship n.
_灭__绝__的__；__绝__种__的___ _用__尽__；__耗__尽__；__使__精__疲__力__尽__ _卫__星__；__人__造__卫__星宇__宙__飞__船_____
adj.感到困惑的→_p__u_z_zl_i_n_g_ adj.令人困惑的
7．__r_el_i_g_io_n__ n．宗教；宗教信仰→__r_e_li_g_i_o_u_s_ adj.宗教上的；
信奉宗教的；虔诚的
8．_b_i_o_l_o_g_y_ n．生物学→__b_io_l_o_g_i_st__ n．生物学家 9．__r_e_a_ct_i_o_n_ n．反应；回应→__re_a_c_t_ v．反应
6．_b_lo_c_k__o_u_t__ 7．_c_h_e_e_r_u_p__ 8．_b_r_e_a_k_o_u_t__ 9．_w_a_t_c_h_o_u__t _fo_r___ 10．_d_o_h_a_r_m___to_._..___
挡住(光线) 感到高兴；感到振奋突发；爆发密切注意；当心；提防对……有害
全世界的

2019版高考英语一轮基础习选题 Unit 4 Astronomy the science of the stars(含解析)新人教版必修3

Unit 4 Astronomy the science of the stars李仕才一、阅读理解。

The Internet plays a big part in human life. We use it for work and entertainment. We can find new recipes on the Internet or advice on staying healthy. We can even use it to learn a new language. We use the Internet to connect with family and friends and stay in touch with issues we care about.The list goes on and on.As far as the Internet being a part of our lives—well, that train has left the station. That expression means there is no going back. If you prefer boating, you can say that ship has sailed.So, there may be no going back to an Internet-free life. But can using the Internet too much be bad for our health?It might be, say researchers.Study results show that teens who spend at least 14 hours a week online were more likely to have high blood pressure.High blood pressure makes your heart and blood vessels work too hard. Over time, this extra strain increases your risk of a heart attack or stroke.High blood pressure can also cause heart and kidney disease. It is also closely linked to some forms of dementia, a brain disease. Dementia is marked by memory disorders, personality changes, and a reduced ability to reason.Let’s introduce something about the study of it.The Henry Ford Hospital in Detroit, Michigan did the study. It involved 335 young people, from 14 to 17 years old. One hundred thirty-four of the teens were described as “heavy Internet users”. Researchers found that out of these 134 teens, 26 had high blood pressure.The researchers say the study is the first to connect heavy web use and high blood pressure. Other research has connected that heavy Internet use with health problems including anxiety, depression and obesity.The lead researcher of the study is Andrea Cassidy-Bushrow. In a statement she said, “Using the Internet is part of our daily life but it shouldn’t consume us. ”For the purpose of the study, she explains, teens considered heavy Internet users were online on “average 25 hours a week. ”Ms Cassidy-Bushrow adds that it is important for teens to take “regular breaks from their computers or smartphones” and to do some “kind of physical activity. ”She also suggests that parents limit their children’s use of the Internet to two hours a day, five days a week.【文章大意】互联网如此有用并且融入我们的生活, 但过度使用它, 会导致多种健康问题。

2019版高考英语一轮基础达标选题 Unit 4 Astronomy the science of the stars(含解析)

Unit 4 Astronomy the science of the stars李仕才一、阅读理解。

The effects of coffee consumption on health have long been a subject of conflict and uncertainty. Since the 1980s, some have spoken out against coffee as it’s harmful to health, while others have welcomed coffee for its supposed benefits to health.According to a scientific report, mild coffee consumption, three to five cups per day, can be taken as a healthy dietary pattern, along with other healthful behavior. The report also says that coffee consumption helps reduce the risk of heart disease and it protects against Parkinson’s disease.According to Dr. Donald Hensrud of Mayo Clinic, high consumption of coffee has health risks. Dr. Hensrud mentions the dangers of high coffee consumption for people with a certain illness that slows the breakdown of caffeine in the body. Some studies said that drinking two or more cups of coffee daily can actually increase the risk of heart disease in these people.According to conclusions from a recent study led by Dr. Gregory Marcus, a doctor from the University of California, San Francisco, daily moderate consumption of caffeine, less than 4 cups, is not associated with these issues.Until the scientific community reaches a general agreement on the effects of coffee consumption on human health, it will be up to the individual to decide whether the benefits of drinking coffee are greater than the risks.When informed of these possible health benefits and harm of drinking coffee, Harwood, a high school student stated, “Even though there might be some negative effects of drinking coffee, for the most part, coffee drinking sounds good for health. Not to mention I need coffee to stay awake.”【解题导语】本文是一篇说明文。

2019年高考英语一轮优练题 Unit 4 Astronomy the science of the

Unit 4 Astronomy the science of the stars李仕才一、阅读理解。

Life can be so wonderful, full of adventure and joy. It can also be full of challenges, setbacks(挫折) and heartbreaks. Whatever our circumstances, we generally still have dreams, hopes and desires that little something more we want for ourselves and our loved ones. Yet knowing we can have more can also create a problem, because when we go to change the way we do things, up come the old patterns and pitfalls(陷阱) that stopped us from seeking what we wanted in the first place.This tension between what we feel we can have and what we’re seemingly able to have is the niggling(烦人的)suffering, the anxiety we feel. This is where we usually think it’s easier to just give up. But we’re never meant to let go of part of us that knows we can have more. The intelligence behind that knowing is us — the real us. It’s the part that believes in the life and its possibilities. If you drop that, you begin to feel a little ＂dead＂ inside because you’re dropping ＂you＂.So, if we have this capability but somehow life seems to keep us stuck，how do we break these patterns?Decide on a new course and make one decision at a time. This is good advice for a new adventure or just getting through today’s challenges.While, deep down, we know we can do it, our mind — or the minds of those close to us — usually says we can’t. That isn’t a reason to stop, it’s just the mind, that little man or woman on your shoulder, trying to talk you out of something again. It has done it many times before. It’s all about starting simple and doing it now.Decide and act before overthinking. When you do this you may feel a little, or large, release from the jail of your mind and you’ll be on your way.1. It can be inferred from the first two paragraphs that we should ________.A. slow down and live a simple lifeB. be careful when we choose to changeC. stick to our dreams under any circumstancesD. be content with what we already have2. What is the key to breaking the old patterns?A. To focus on every detail.B. To decide and take immediate action.C. To listen to those close to us.D. To think twice before we act.3. Which of the following best explains the underlined part in the last paragraph?A. Escape from your punishment.B. Realization of your dreams.C. Freedom from your tension.D. Reduction of your expectations.4. What does the author intend to tell us?A. It’s easier than we think to get what we want.B. It’s important to learn to accept sufferings in life.C. It’s impractical to change our way of thinking.D. It’s harder than we expect to follow a new course.【文章大意】本文是一篇议论文。

2019年高考英语一轮优练题Unit4Astronomythescienceofthestars(含

Unit 4 Astronomy the science of the stars李仕才一、阅读理解。

近年高考英语一轮达标Unit4Astronomythescienceofthestars练题(含解

2019高考英语一轮达标Unit 4 Astronomy the science of the stars练题（含解析）新人教版必修3编辑整理：尊敬的读者朋友们：这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（2019高考英语一轮达标Unit 4 Astronomy the science of the stars 练题（含解析）新人教版必修3）的内容能够给您的工作和学习带来便利。

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Unit 4 Astronomy the science of the stars李仕才一、阅读理解.阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。

One of the main creators of the World Wide Web，Sir Tim Berners.Lee has warned that the fast growth of the Internet is also creating serious problems。

He especially warns of false information being easily spread around the Internet，“A great danger is that it becomes a place where untruths start to spread more than truths，or it becomes a place which becomes increasingly unfair in some way.”In particular he mentions the phenomena of blogging。

2019年高考英语一轮复习Unit4Astronomythescienceofthestars高考拆

2019 年高考英语一轮复习Unit 4 Astronomy the scienee of the stars高考拆组训练新人教版必修3练（一）语言知识运用组块专练—练准度I .完形填空It was an unforgettable weekend.l had a great time at the __1__.However, afterI arrived home, I no ticed my owl n ecklace was __2__」was so an xious that I __3__ _ every room in the house, but my efforts were __4__ vain.Then I decided to head back to the beach.My husband thought I was __5__, as the huge beach was nine miles from our home.How could I__6__^_one tiny n ecklace? What if it came off in the ocea n? I was __7__ to even con sider that as a possibilit y.I knew I had to try.After searchi ng for several hours at the beach, I __8__ an elderly_ma n with ametal detector （探测器）in his hand」__9__ up to him and asked whether he had e across a necklace.He opened his hand and showed me his 10 —some coins.He saidif he saw my n ecklace he would __11 return it to me.I also wan ted him to have eno ugh __12 to mail it so I gave him a $5 bill and told him my n ame and my address.The nI left.My husba nd __13__ me and said that he would buy me a new on e.But I turned dow n his nice __14_ , as that necklace could n't be __15__」t was my dad who had founda special way to give me that __16__ n ecklace.There had bee n a yard sale in my mun ity.Am ong the things that were put on __17__ he found the n ecklace .Un able to __18__ it, my dad offered to build a bookshelf for the owner as a（n） __19__. _ Un expectedly, three days later, I received a package .In side were a $5 bill and my owl n ecklace.The mome nt I saw the n ecklace, I could n't help __20__. _1. A.campus B. beachC. libraryD. museum解析：选B 根据下文的"Then I decided to head back to the beach. ”可知，这里应该指的是在沙滩上。

2019届高三英语一轮复习基础必备Unit4Astronomythescienceofthestar

Unit 4 Astronomy：the science of the stars[基础回顾]Ⅰ.单句语法填空(导学号02516120)1．Her puzzled (puzzle) look on her face suggested she didn't understand what I said.2．As is known to us，the Republic of China came into existence (exist) as an independent country in 1949.3．As we all know，a bad eating habit is harmful (harm) to one's health.4．Though injured seriously，he tried to cheer up，hoping to make his parents less worried.5．I can say that it is the most violent (violence) film that I have ever seen.6．My relationship with the actors is fundamental to my work as a director.7．As the old saying goes，it is easier to pull down than to build up.8．The old lady became seriously ill last week，and she has only existed on milk ever since.9．The new stadium being built for the next Asian Games will be three times bigger (big) than the present one.10．Sometimes he found it very hard to fall asleep at night，so he went to see the doctor.Ⅱ.单句改错(每句一错)(导学号02516121)1．She has got into the bad habit of reading in the bed，which is harmful for her eyes. for→to2．The twin brothers stood under the tree，puzzling and saying nothing. puzzling→puzzled3．Even though he is a little boy，strange ideas always exists in his mind. exists→exist4．You'll succeed on time because you are always working hard. on→in5．The sun heats the earth，which makes possible for plants to grow. makes 后加itⅢ.佳句写作(导学号02516122)1．据说这个发电厂(the power plant)是以前的5倍大。

2019届高考英语一轮复习 Unit 4 Astronomy：the science of the

Unit 4 Astronomy：the science of the stars单元基础词汇语法回顾Ⅰ.单词拼写1．Their education ________ (体系) was perfect.2．I hope you will recover soon under this enjoyable ______(气候)．3．He felt ________(鼓励)by the progress he had made.4．The manager doesn't ________(允许)us to use the computer.5．The news that they were defeated ________(传遍)to the capital.6．Tornadoes are ________ (猛烈的)whirlwinds which vary in their width from a few yards to 1,300 feet.7．The small boat was ________(漂浮)on the surface of the water.8．A great ________(块)of rock had fallen from the cliff and now blocked the road.9．From these observations we conclude that the moon has little or no ________(大气层)．10．These kittens look exactly ________(一样的). Can you tell them apart?答案1．system 2.climate 3.encouraged 4.allow 5.spread6．violent 7.floating 8.block 9.atmosphere 10.alikeⅡ.单句语法填空1．She is a very ________ (religion) person who goes to church every Sunday.2．This kind of plants has been in ________ (exist) for millions of years.3．I've been ________ (puzzle) over all the figures, trying to find what happened to the missing money.4．We live in a ________ (globe) village, but this doesn't mean that we all behave in the same way.5．Last night we had a discussion, which became more and more violent. Finally we reached an agreement that we will never use ________ (violent) whatever happens.6．Reading in the sun is ________ (harm) to your eyes.7．The wind is blowing ________ (gentle)．8．It was my friends who gave me a great deal of __________ (encourage)．9．The desertification accounted for good farmland's ________ (disappear)．10．Her teacher pointed out her mistake with __________ (patient)．11．The boy was lucky enough to escape ________ ( punish) by telling a lie.12．Over the past five years Tom ________ (go) through a lot of hardships.13．When I'm feeling sad, my mother tells me funny stories to cheer me ________.14．He described the three ways ________ the problem could be solved.15．Only by practising time and time again can you get the hang ________ the grammar rules.16．She married at 25 and gave birth ________ her first child shortly after.17．Tom got up late, thus ________ (miss) the early bus.18．Last night a fire broke ________ in the hotel across the street.19．The fireworks exploded ________ all directions.20．This garden is three times ________ big as that one.答案1．religious 2.existence 3.puzzling 4.global5．violence 6.harmful 7.gently 8.encouragement9．disappearance 10.patience 11.being punished12．has gone 13.up 14.that 15.of 16.to 17.missing18．out 19.in 20.asⅢ.单句改错1．There is so much rain on the island that its annual rainfall reaches as many as sixty inches.________2．The problem of pollution is worth paying attention.________3．This is such interesting a film that I have seen it twice.________4．When people in the room heard someone crying“Fire! Fire！”they were seized by panic and began to run towards all directions.________5．Teachers can help them learn to take risks in an atmosphere that they feel confident about doing so.________6．Because there is no air or wind on the moon, the footprints may stay there for million of years.________答案1．many改为much 2.attention后加to 3.such改为so4．towards改为in 5.that改为where6．million改为millionsⅣ.语法填空Visitors to Britain may find the best place __1__ enjoy local culture is in a traditional pub. But newcomers may get into trouble in these friendly pubs. Strangersmay start with the difficulty of getting a drink. Most pubs have no waiters —you have to go to the bar (吧台) to buy drinks. This may sound __2__ (convenient), but English people are used to doing so. Pub culture is formed __3__ (help) people get along with each other. Standing at the bar for service allows you to chat with others __4__ (wait) for drinks. The bar counter is __5__ (possible) the only place in Britain __6__ a friendly conversation with strangers __7__ (consider) to be entirely proper and really quite normal, __8__， if you do not follow the local rules, you may fail to feel the local culture. For example, if you are in a big group, __9__ is best for one or two people to go to buy the drinks. Nothing makes the regular customers and bar staff __10__ (angry) than a group of strangers standing in front of the bar while they chat and wonder what to order.答案1．to 2.inconvenient 3.to help 4.waiting 5.possibly6．where 7.is considered 8.however 9.it 10.angrierⅤ.短文改错A few days ago when taking the walk with my mother in the park, I came across a foreigner. Judged by his puzzled expression, I thought he might in need of help. So I went up and asked whether I could help him in English. He told me he had got lost. He had turned to several passer by for help, and they couldn't speak English. Then he told me his destination. Fortunately, I was quite familiar to the place. In order to make myself understand, I told him how to go there as clear as possible. Although it was the first time that I have talked to a foreigner face to face he totally understood what I said and thanked for me.答案 A few days ago when taking the awalk with my mother in the park, I came acrossa foreigner. Judged Judging by his puzzled expression, I thought he might ∧bein need of help.So I went up and asked whether I could help him in English. He told me he had got lost. He had turned to several passer by passers by for help, and butthey couldn't speak English. Then he told me his destination. Fortunately, I was quite familiar to withthe place.In order to make myself understand understood ， I told him how to go there as clear clearly as possible. Although it was the first time that I have had talked to a foreigner face to face he totally understood what I said and thanked for ＼ me. 单元能力训练与技巧指导练一语言知识运用保分练1篇完形＋1篇语法填空，限时25分钟Ⅰ.完形填空It was an unforgettable weekend.I had a great time at the __1__.However, after I arrived home, I noticed my owl necklace was __2__.I was so anxious that I __3__ every room in the house, but my efforts were __4__ vain.Then I decided to head back to the beach.My husband thought I was __5__， as the huge beach was nine miles from our home.How could I __6__ one tiny necklace? What if it came off in the ocean? I was __7__ to even consider that as a possibility.I knew I had to try.After searching for several hours at the beach, I __8__ an elderly man with a metal detector (探测器) in his hand.I __9__ up to him and asked whether he had come across a necklace.He opened his hand and showed me his __10__ — some coins.He said if he saw my necklace he would __11__ return it to me.I also wanted him to have enough __12__ to mail it so I gave him a $5 bill and told him my name and my address.Then I left.My husband __13__ me and said that he would buy me a new one.But I turned down his nice __14__， as that necklace couldn't be __15__.It was my dad who had found a special way to give me that __16__ necklace.There had been a yard sale in my community.Among the things that were put on __17__ he found the necklace.Unable to __18__ it, my dad offered to build a bookshelf for the owner as a(n) __19__.Unexpectedly, three days later, I received a package.Inside were a $5 bill and my owl necklace.The moment I saw the necklace, I couldn't help __20__. 语篇解读：本文是一篇记叙文，讲述作者在沙滩上把自己的项链丢失了，然后又回到沙滩上找，没有找到，最后被一个老人找到并寄给作者的故事。

2019年高考英语一轮复习 Unit 4 Astronomy the science of the

Unit 4 Astronomy the science of the starsⅠ阅读理解Got big plans for Friday night? That’s OK, we don’t either.Guess we’ll all have to make do by watching the celestial(天空的) show that will take place that night.First, there will be a full moon. That’s always fun, but this one will be a little more special. It’s known as a “snow moon”. The name es from the fact that the heaviest snows usually fall during February, according to The Old Farmer’s Almanac.But if that’s not special enough, there’s also an eclipse(月食) that night. It’ll be a penumbral lunar eclipse, meaning it’s a partial eclipse that leaves sections of the moon darkened by the earth’s shadow. No, it won’t be as spectacular as those “blood moon” eclipses. It’ll be subtler. The level of darkness it reaches during the eclipse may or may not be apparent；it just depends on where you are when you view it.In North America, the eclipse begins at 5：34 p．m. ET and ends at 9：53 p．m. ET, according to the astronomy website EarthSky. The eclipse will be at its height around 7：44 p．m. ET.If that’s still not enough, let’s throw in a et(彗星) to the night’s festivities.et 45P (it has a much longer name, but we won’t burden you with it here) is visible as it flies by the earth. The et will get within 7.4 million miles of the planet as it makes its closest approach this weekend, according to Universe Today.et 45P will be most visible a couple of hours after the eclipse, so look to the skies again around 3 a．m. ET Saturday and find the greenishblue light with a tail.And don’t forget, a total bigtime solar eclipse will streak across the United States on August 21st.【解题导语】本文是说明文，介绍了星期五晚上将会发生的天文现象。

2019高考英语一轮选训习题Unit4Astronomy：thescienceofthestars(含解析)新人教版必修3

必修3 Unit 4 Astronomy: the science of the stars李仕才Ⅰ.阅读理解ASales Representative — Immediate HiringDo you like meeting new people? Do you enjoy closing deals every day? Are you looking for a dynamic and high energy industry? THIS COULD BE THE CAREER(职业) FOR YOU!Fast Growing and Very Successful Credit Card Processor is looking for a dynamic outside salesperson to sell credit products and check processing services in the local area.What we need you to do：•Attend 3－5 appointments daily•Sell into smallsized to middlesized businesses•Work closely with the sales manager in Dallas TX (by phone)•Have the ability to manage paperworkWe offer：•Medical benefits eligibility(资格) after 90 days•One of the strongest compensation programs in the industry•Monthly bonuses•A jump start bonus of up to $750Successful applicants often have experience in customer services, inside sales, outside sales, sales support, management roles, or other customerfacing positions.We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, sex, age, national origin or disability.Please reply with a resume today!There is a difference. Experience Great Work! We have been servicing North East Ohio for more than 20 years with offices located in Akron, Canton, Lakewood, Streetsboro and Wadsworth. Apply online at www. greatwork. cc and make a call to our Lakewood location to discuss our great career opportunity at 440－663－0050.【文章大意】本文是一篇招聘广告，招聘销售代表。

2019版高考英语一轮复习Unit4Astronomythescienceofthestars单元知

Unit 4 Astronomy: the science of thestars1 课文与语法填空阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

The earth was just 1 cloud of dust after the “Big Bang”.The earth exploded loudly with fire and rock. They were in time 2 (produce) many things,which were to make the earth’s atmosphere. As the earth cooled down,water began to appear on 3 (it)surface. It allowed the earth to dissolve 4 (harm)gases. Then life began to develop.Small plants multiplied and 5 (fill) the oceans and seas with oxygen. This encouraged the 6 (develop) of early shellfish and fish. Land animals such as insects,reptiles and dinosaurs appeared after green 7 (plant) appeared. Small clever animals spread all over the earth. They are putting too much carbon dioxide into the atmosphere, 8 prevents heat from escaping from the earth into space. 9 life will continue on the earth for millions of years to come will depend on whether this problem can 10 (solve).1. 2. 3. 4. 5.6. 7. 8. 9. 10.2 课文与短文改错根据课文内容,对下面材料进行修改。

(全国卷)2019届高考英语一轮复习 Unit 4 Astronomy：the science of the stars

杰西卡付出的是以前三倍
was carried twice as far
的时间和精力，所以我相
as on the earth and fell
over.
倍数＋as＋
而当我试着向前迈步时，形容词/副词
信她这次能成功。 Jessica devoted three times as much time and
填一填
练一练
背一背
动词＋介/副词
1.表达“小心；当心”
1．watch out for 选用左栏短语填空的高频短语荟萃
密切注意；当心； 1．The wall blocks ①watch out (for)
提防
out
all the ②look out
light.It should be
2．cheer up 感
n．系统；体系；doesn't mean
制度
that we all
①astronomy n．天文学 ②astronaut n．宇航员 ③gravity n．万有引力 ④satellite n．卫星
10． theory behave in the ⑤orbit n．轨道
n．学说；理论 same way.
④prohibit sb.from doing sth.
既然
⑤ban sb.from doing sth.
⑥forbid sb.from doing sth.
填一填
练一练
背一背
2．“阻止/禁止某人做某事”的多
种表达 5． Cheer up (1)阻止某人做某事
11．do harm You must
hang of
preventing
①prevent sb.from doing sth. myself