能力提升限时训练(二)
基础知识限时训练(二)—2020秋人教版九年级物理全一册习题课件(共18张PPT)
2. 关于内能、热量和温度,下列说法正确的是( D ) A. 温度高的物体,含有的热量一定多 B. 物体内能增加,一定吸收了热量 C. 热量总是从内能大的物体传递给内能小的物体 D. 铁丝发热,可能是做功,也可能是被加热
3. 阅读下列材料:①扩散现象实质是一切物质分子
都在不停地做无规则运动;②内燃机压缩冲程是将
如答图J2-1所示.
(2)(2分)如图J2-9所示是某油量表的部分电路,油量
13. 某同学用图J2-6所示装置测量酒精热值,他在烧 杯中加入300 g水,调好装置后,加热使水温升高50 ℃,水需要吸收的热量为_6_._3_×__1_0_4__J ,他测得此过 程中消耗了6 g酒精,利用酒精燃烧放出的热量与水 吸收的热量相等,算得酒精热值q=_1_._0_5_×__1_0_7_J/kg , 他查表得到q酒精=3.0×107 J/kg,发现两者偏差较大, 你认为其中的原因可能是 ____加__热__过__程__中__,__存__在__热__损__失____ (写出一条原因即可).
物理● 九年级 ●全一册● 配人教版
阶段巩固卷
基础知识限时训练(二)
(建议时间:25分钟 分数:49分)
一、单项选择题(本大题7小题,每小题3分,共21 分)在每个小题列出的四个选项中,只有一个是正 确的,请将正确的选项填在题后的括号内. 1. 下列情况中,不属于电流做功的是 ( B ) A. 电风扇通电转动 B. 发电机发电 C. 空调机制冷 D. 电脑处理数据信息
10. 磁体周围存在一种看不见的磁场,若将一个可 以自由转动的小磁针放在磁体周围,发现小磁针发 生偏转,说明磁场对放入其中的磁体会 _____产__生__力__的__作__用________,这种研究磁场特征的方 法物理学中叫做___转__换_____法;我们还用磁感线来 表示磁场的方向和分布,在磁体的周围,磁感线是 从磁体的_北__(__或__N_)__极出来.
2021届江苏省牛津译林版九年级英语中考复习限时提高训练(二)(word版含答案)
2021届中考英语复习限时提高训练(二)一、单项选择1.Life is like_______one-way street. It will never lead you back.So enjoy life every moment as_______of them will happen the same way again.A.the; nothingB. a; noneC. an; noneD. a; nothing2. In order to get a bright future, we should _______ study hard _______ keep in good health.A. either; orB. neither; norC. not only; but alsoD. not; but3. Penicillin(青霉素)was first _______ by Fleming early in the twentieth century.A. inventedB. discoveredC. createdD. produced4. _______of the land in that area _______ covered with golden yellows at this time of year.A. Three-fifths, isB. Three-fifth, isC. Three-fifth, areD. Three-fifths, are5. ---Waiter! I'd like some beef and a vegetable salad.---Sorry, madam. They_______only for lunch. Why not consider__________something else?A. served; to orderB. served; orderingC. are served; orderingD. are served; to order6. A hard-working man______become a great scientist, but a great scientist______be a hard-working man.A. may not; mustB. may not; canC. can't; mustD. can't can7. Don’t fear difficulties and failure. Remember: .A. No one is wise at all times.B. A kite rises against the wind rather than with it.C. Don’t cross your bridges before you come to them.D. You can lead a horse to water, but you can’t make it drink.8 . ---The light in the professor’s lab was still on at 11:00 o’clock. Do you know______________?---Maybe at midnight again.A. how long has he workedB. why does he stay up so lateC. if he is busy studyingD. when he stopped working9. His parents wouldn’t let him marry anyone_______ family was poor.A. thatB. whichC. whoseD. whom10.---How about going shopping together at one o’clock this afternoon?---__________. Will three o’clock be OK?A. Sorry, I can’t make it.B. Certainly, no problemC. Sure, it depends on youD. Sorry, I’m not free today.二、词汇运用(A)根据句意和汉语注释,写出单词的正确形式。
高中英语时文阅读之高考英语阅读能力提升限时训练 二(七选五 阅读4篇 完形 语法填空)
时文阅读之高考英语阅读能力提升限时训练○2七选五You’ll Be Happiest During These Two Years of Your Life, According to Science----Brooke NelsonGood news: your happiest years are still ahead of you. Science says so!Think you have already reached your peak in life? You might want to think again. We want to share some good news with you: 1.________________ .According to research from the London School of Economics and Political Science,2.___________. Researchers asked 23,000 German volunteers aged 17 to 85 to rate their life satisfaction. Participants predicted how happy they would feel in five years, and then, after five years’ time, reported back on how they actually felt. Find out the biggest misconceptions错误的想法about happiness we’ve convinced ours elves are true.Their results? Anything but negative! The study found that happiness tends to follow a U-shaped curve over an individual’s lifetime, with satisfaction reaching higher levels during the extremes of the study’s age range and swinging down with middle age. Plus, the researchers noted the two most important years when happiness peaks: ages 23 and 69.3._______________. In our early 20s, we’re energetic and excited for the changes that come along with young age: new careers, new places to travel, and new people to meet. By the time we reach our 60s and 70s, though, we have likely retired and can now find the time—not to mention the money!—to, say, book a flight to Hawaii at a moment’s notice. Also, check out these surprising tricks to be happier w ithout even trying.4._______________. After all, your 40+ years are a busy time filled with “raising families, climbing the corporate ladder, and you know, life in general,” Brit+Co writes.Of course, that’s all the more reason to create your own happines s, regardless of your age! Experts recommend prioritizing优先考虑small yet rewarding tasks like taking a walk or spending time with family.5.____________: a boost in happiness! Next, find out the 24 things happy people do every day.A. If you think about it, that makes a lot of senseB. Just remember, now you have one more reason to look forward to getting olderC. we’re happiest at two points in our lives—not just oneD. The dip in middle age is also pretty logical.E. So where should we look for happiness?F. Your happiest years are still ahead!G. happiness comes from what you do, not what you buy.阅读理解AA couple in the Philippines went ahead with their wedding on Sunday despite the eruption of a volcano spewing ash into the sky behind them. Chino and Kat Vaflor were tying the knot at a venue聚会地点10 miles from the Taal V olcano when wedding photographer Randolf Evan captured dramatic shots of the couple with the ash plume seemingly overhead.The Taal V olcano, about 37 miles south of Manila, which is right on the island of Luzon, erupted in the afternoon, forcing people to evacuate as experts warned that another "hazardous危险的explosive eruption" is possible."We were actually tense because while working we kept on checking social media for updates on the volcanic eruption. So we were actually aware of the warnings and escalating levels that were being announced real time," Evan told CNN. "We also discussed discreetly谨慎地among ourselves what we should do when worst comes to worst." Evan said everyone at the wedding at Savanna Farm by Solange stayed "calm" as the couple said "I do." Evan later posted a picture of the couple on the Internet, swirling clouds in the distance, and wrote, "The wedding continues!"The Philippine Institute of V olcanology and Seismology reported that the volcano exhibited a "fast escalation" in volcanic activity. Continuous eruption produced ash plumes 6 to 9 miles above the crater, it said. The institute urged the evacuation of Taal V olcano island and several nearby towns. It raised its alert status to indicate预示the possibility of a hazardous有危险的eruption with lava within hours to days. The Manila International Airport Authority suspended使暂停arrivals and departures.6. The underlined word in the first paragraph “tying the knot” most pro bably means ________.A. getting marriedB. taking photosC. attending a wedding ceremonyD. watching over the volcano7. From the third paragraph we can know that_____ .A. it was quite safe at the venueB. they were carefully prepared for all the possibilities that might happenC. they don’t care about the volcano eruptionD. the couple didn’t know the warnings338. Where does this passage probably come from?A. FictionB. TextbookC. NewspaperD. Netnews9.Which of the following is NOT true according the passage?A. Another dangerous eruption might happen with lava within hours to days.B. People were forced to leave because of the volcano eruption.C. Wedding photographer Randolf Evan captured dramatic shots of the couple from the Taal V olcano.D. While a volcano erupted a couple were holding their wedding ceremony not very far from it.BEmotional support animals are becoming more common. They can be pets such as cats and dogs but they canalso be unlikely animals such as squirrels (a lthough more unusual animals don’t always go down well). But one man has showed he finds comfort in his pet alligator短吻鳄.Joie Henney, from Pennsylvania, U. S., has a five-foot, 60 pounds emotional support alligator. And it’s not the only reptile (爬行动物) that Joie lives with. The one that steals the show, however, is four-year-old Wally, who has a special place in Joie’s heart. While most of us might be scared to go near an alligator, Joie insists the animal is super friendly and loves giving hugs and kisses.Little Wally is now four and was rescued from outside Orlando when he was 14 months old. Joie says Wally could one day be 16 foot long. Wally’s diet includes chicken wings and he shares an indoor plastic pond with a smaller rescued alligator named Scrappy. Wally has never bitten anyone and is even afraid of cats, according to Joie. Joie explained, “He’s far from a typical alligator. He loves hugs and he loves giving kisses.” As well as having full run of the house, Wally is regularly taken out for walks to parks, malls and even restaurants.Joie, who refused to take medicine when going through depression, found great relief in interaction with Wally. With a fan-base, Joie works with volunteers daily to show Wally in schools, birthday parties, and other eve nts. He says it’s just like having a dog.10. What is Joie Henney’s favourite pet?A. an alligator named WallyB. an alligator named ScrappyC. a dog named WallyD. a cat11. From the last paragraph we can infer that _______ .A. Joie works with volunteers every dayB. Wally likes a dogC. Wally is quite popular in the surrounding areaD. Joie refused to take medicine because of Wally12. Why did Joie Henney say “He’s far from a typical alligator.? Because _______ .A. Wally is super friendly and loves giving hugs and kissesB. Wally likes chicken wingsC. Wally is regularly taken out for walksD. Wally is an unlikely animalCTwenty-four trains, nine countries, 13,500 miles. They are the numbers behind the train journey one man took from Southampton in the UK to eastern China. Roger Tyers, 37, spent a month on board trains and over $2,500 —almost triple the cost of a return flight— to travel to the Chinese port city Ningbo for academic research in May..It was the climate crisis, not a love of trains, that drove Tyers to choose this route over a return flight. Tyers said that he felt it necessary to stop flying when UN climate experts warned that the world has less than 11 years to avoid terrible levels of global warming. Tyers said that his train journey to China produced almost 90% less emissions than a return flight. A passenger on a return flight from London to New York brings as much CO2 as the average person in the European Union does by heating their home each year, according to the European Commission.Tyers is not the only person to avoid air travel in response to climate change. Thousands of people worldwide have publicly pledged to stop flying, including teenage activist Greta Thunberg, who has inspired youth climate protests around the world.Activist Maja Rosen started the "Flight Free" campaign in Sweden in 2018 with the aim of encouraging 100,000 people not to fly for one year. Although only around 14,000 people signed the online "flightfree2019" pledge, Rosen said that the campaign had made more people aware of the urgency of the climate crisis and motivated them to travel by train more often. Rosen, who stopped flying 12 years ago, says one of the problems is that people feel there's no point in what you do as an individual. The campaign is about making people aware that if we do this together, we can actually make a huge difference.13. How much will it take to fly from Southampton to Ningbo?A. over $2,500B. about $830C. less than $420D. $ 50014. What is Tye rs’ intention of choosing a train jouney?A. to stop flying to avoid terrible levels of global warmingB. to stop flying to to save moneyC. to avoid terrible weatherD. to enjoy more scenery15. What does the underlined word "Flight Free" mean ?A. take a flight for freeB. take a plane freelyC. not to take a flightD. take a free flight16. From the passage we can know that _____ .A. many people shares the same point of view and just did the same as TyersB. people have already been aware of the urgency of the climate crisisC. what an individual does is not really importantD. Activist Maja Rosen achieved the aim of encouraging 100,000 people not to fly for one year.DGoogle's parent company Alphabet has asked its North American staff to work from home to reduce the potential spread of the coronavirus.Last week the tech giant sent a memo to staff recommending that employees in Washington state work from home. It has now expanded that request to all of its almost 100,000 workers across 11 office in the US and Canada.Alphabet is the latest company to make such an announcement as US coronavirus cases have risen to almost 1,000. "Out of an abundance of caution, and for the protection of Alphabet and the broader community, we now recommend you work from home if your role allows," Chris Rackow, Google's vice president of global security, wrote in an email to workers.Alphabet said its offices in North America will remain open for those whose jobs require them to come in.Last week, Google, along with many of the world's other major tech companies, including Apple, Amazon, Microsoft and Facebook, began recommending that staff in Seattle should work from home as the coronavirus spreads in Washington state.The state had more than 160 cases as of Monday night. California and New York, where Alphabet has large offices, are also experiencing spikes in the number of cases.In other moves to fight coronavirus, Google has:temporarily banned ads for medical face masks●established a Covid-19 fund, so temporary staff and vendors can take paid sick leave if they have symptoms of the virus●teamed up with the UK's NHS to help prevent the spread of misinformation about the outbreak, by promoting correct health and travel advice when people search for coronavirus treatments or symptoms17. Most Google workers in the US and Canada are required to work from home to _____ .A. develop a new working styleB. help stop the spread of the coronavirusC. establish a Covid-19 fundD. help prevent the spread of misinformation about the virus18. Which of the following statements is NOT true?A. Temporary staff and vendors with symptoms of the virus can take paid sick leave.B. Apple, Amazon, Microsoft and Facebook staff in Seattle also should work from home.C. Alphabet offices will remain open for those with face masks to come in.D. Not every workers of the companies must stay at home19. The passage implies that the most effective way to prevent the spread of the virus is _______ .A. to team up with the UK's NHSB. to establish a Covid-19 fundC. to keep away from the crowdD. to wear face masks at home20. The passage tells us that _______ .A. Measures have been taken to fight the virusB. The spread of misinformation about the outbreakC. Only world's major tech companies require their staff to work from homeD. Alphabet offices in California also have a number of cases of virus.完形填空Last July 4th , three police officers went into a supermarket to get something cold to drink.Once inside, the cops were 21 by a store security guard who asked for 22 with a suspected thief. The woman in question didn’t have the look of an 23 criminal. She was obviously scared, and her cheeks were wet with 24 .The cops looked 25 her bag. “We just saw containers of 26 . Nothing el se,” Mike told CBS New York.“I’m hungry,” she explained 27 .Being caught, the woman no doubt expected to be taken to jail for the 28 of being hungry while poor. 29 the cops had other ideas. “We’ll 30 for her food,” Sojo told the 31 security guard.The three men had no discussion at all. It went 32 . Instead, each of them 33 out 10 dollars to pay the tab. She would not be arrested today.The woman wept in 34 . Drying her eyes with a kerchief, she 35 , “Thank you, thank you.”She wasn’t the only one touche d by this act of 36 . “It was a very beautiful, 37 moment,” says Paul, who was at the store. He was so 38 by what he’d seen that he posted a photo on Twitter for all to see.But attention was 39 what the officers wanted. They were driven by a far more common emotion. As Sojo told CNN, “When you look at someone’s face and see that they need you and they’re actually hungry, it’s pretty 40 asa human being to walk away from something like this.”21.A. questioned B. examined C. approached D. required22.A. help B. information C. permission D. trouble23.A. unskilled B. experienced C. intelligent D. active24.A. paint B. water C. rain D. tears25.A. outside B. inside C. around D. down26.A. food B. fruit C. drinks D. sweets27.A. anxiously B. shamelessly C. fearfully D. angrily28.A. action B. mistake C. habit D. crime29.A.And B. But C. So D. Still30.A. pay B. look C. apologize D. account31.A. annoyed B. excited C. surprised D. confused32.A. unchanged B. uninformed C. unsaid D. uncalled33.A. took B. brought C. worked D. pointed34.A. delight B. sorrow C. regret D. gratitude35.A. recalled B. repeated C. responded D. requested36.A. thinking B. choosing C. sharing D. caring37.A. brave B. genuine C. painful D. terrible38.A. moved B. amazed C. bored D. influenced39.A. sometimes B. finally C. never D. always40.A. simple B. natural C. complex D. difficult.语法填空Rudy Gybels, a 45-year-old Belgian man, has had the same food for dinner every evening since he was a teenager. It all started 41________ he was 13, when his mother came 42________ with a way to get him to eat more fruits and vegetables. Gybels would eat healthy food at lunch, and he was free to enjoy his favorite food potato fries for dinner. And he 43 ________ (stick) to that deal ever since, 44_______ (eat) only fries for dinner every evening for the last 32 years.Gybels _45_______ “The Ultimate Belgian” by national newspapers. Two years ago, when a serious flu prevented him from going out and buying his usual dinner, he has actually been eating only fries for over thirty years. During that time, he says that he has eaten around 11,680 packs of fries. “Some people need their cup of coffee or their pack of cigarettes a day, but I need my daily pack of fries,” Gybels jokingly said.46________ preferring the fast food treat, Rudy Gybels weighs only 70 kilograms and says to be in good health. He hasn’t had any blood tests47________ (do) in a while, though, and admits that he is a bitworried about the results of his diet on his health. Still, he is one of those people 48________ believe that life is too short not to enjoy the things you like.Interestingly, Gybels is one of the administrators of a well-known Facebook group in Flanders where around 44,000 members 49________ (regular) share and discuss food recipes. That’s kind of50________ odd position for a person that eats the same thing every night.时文阅读之高考英语阅读能力提升限时训练二答案与解析1-5 FCADB6. A.tie the knot结婚,永结同心;根据开头一句,A couple in the Philippines went ahead with their wedding和下文7. B 根据We also discussed discreetly谨慎地among ourselves what we should do when worst comes to worst.可知8. D 根据第三段Evan told CNN(美国有线电视新闻网络)和. Evan later posted a picture of the couple on the Internet9. C 摄影师Randolf Evan在在距离Taal火山10英里处拍摄的照片10.A. 根据The one that steals the show, however, is four-year-old Wally, who has a special place in Joie’s heart.可得出,大出风头、在Joie心中特别重要的是Wally11. C,根据倒数第二句话,Joie带Wally学校生日聚会和其它活动去表演可以看出Wally很受欢迎。
高考英语二轮专题能力提升限时训练 任务型读写+书面表
能力提升限时训练任务型读写+书面表达(开放、半开放类)(每组限时35分钟)第一组Ⅰ.任务型读写(对应学生用书第141页)(2012江南十校仿真卷) 阅读下面短文,根据所读内容在表格中的空白处填入恰当的单词。
注意:每个空格只填一个单词。
Kindergarten students are typically four or five years of age.In class,they are introduced to the alphabet,numbers and colors; they study their bodies,their families,and their communities;they listen to stories and read aloud; they make art projects; and they learn about holidays,plants,animals,and other topics in science and social studies.Some kindergartens also teach introductory reading and mathematical skills.Kindergartens tend to offer children a foundation for the development of social skills,self-confidence,motivation,and the process of knowing.The first kindergarten was started by German educator Friedrich Froebel in 177 in Blankenburg,Prussia(now part of German).Froebel chose the German term kindergarten(children’s garden) because he intended children in his school to grow as freely as flowers in a garden.Froebel’s kindergarten was based on the idea that children’s play was s ignificant.At the time,almost no children under the age of seven attended school,but Froebel designed his kindergarten for children between the ages of three and seven.The kindergarten became widely admired for its revolutionary teaching methods,and Froebe l’s followers soon established other kindergartens based on his educational philosophy.Froebel developed his own ideas about education by combining his belief in scientific observation with his belief in the interconnection of all things.In addition,Froebel was concerned that the spread of industrialization would negatively affect the family,but he b elieved that kindergartens could increase the status of mothers and children.Froebel’ s ideas became increasingly popular in the 180s,but because kindergartens were associated with liberalism(自由主义) andfree-thinking,they were banned by the Prussian government after the failure of the liberal revolution of 188.Basic factsabout kindergarten 1. ofkindergartenstudentsFour or five yearsThings to belearnt in akindergarten●They’re introduced to thealphabet,numbers,and colors;they study theirbodies,their families,and their communities.●They listen to stories and read aloud;theymake art projects.●They learn aboutholidays,plants,animals,and other topics inscience and social st udies.●Some kindergartens also teach introductory2. and m athematical skills.续表Basic factsabout kindergartenRoles ofkindergarten●It offers children a foundation to 3.their social skills,self-confidence,motivationand the process of knowing.Details about the first kindergarten ●German educator Friedrich Froebel was the 4.of the firstkindergarten.●Froebel chose the name because he wanted kids to grow5. .●His kindergarten was based on the idea that children’s 6.was significant.●The kindergarten was well 7. for its revolutionaryteaching methods.Froebel’s ideas about 8.●He 9. his belief in scientific observation with hisbelief in the interconnection of all things.●Froebel was concerned that the spread of industrialization wouldhave 10. effects on the family.●Kindergartens could increase the status of mothers and children.答案及剖析:1.Age 信息综合题。
限时训练参考答案
限时训练参考答案限时训练参考答案在现代社会中,时间成为了一种宝贵的资源。
我们总是不断地追求高效率和快速完成任务的能力。
为了应对这种需求,限时训练应运而生。
限时训练是一种通过在规定的时间内完成任务来提高工作效率和学习能力的方法。
在这篇文章中,我们将探讨限时训练的意义和一些参考答案。
限时训练的意义在于它可以帮助我们培养时间管理和压力应对能力。
在限时训练中,我们必须在规定的时间内完成任务,这迫使我们学会合理安排时间和高效利用时间。
这种训练不仅可以提高我们的工作效率,还可以培养我们的冷静和应对压力的能力。
当我们在紧迫的时间限制下工作时,我们需要保持冷静并集中注意力,这对我们的工作和学习都非常重要。
在进行限时训练时,我们需要有一些参考答案来帮助我们评估自己的表现。
这些参考答案可以是标准答案、模板或者是其他人的答案。
通过参考答案,我们可以了解到自己在时间管理、任务完成和问题解决等方面的表现如何。
同时,参考答案也可以帮助我们发现自己的不足之处,并进行针对性的改进。
然而,我们需要明确的是,参考答案只是一种参考,我们并不需要完全照搬,而是应该根据自己的实际情况进行调整和改进。
在限时训练中,我们可以运用参考答案的方法和思路,但是我们需要注意避免机械地套用答案。
每个人都有自己的思维方式和解决问题的方法,因此我们需要根据自己的特点和优势来进行答题。
参考答案只是给我们提供一种思路和方法的参考,而不是唯一的正确答案。
我们需要根据自己的理解和思考来进行创新和发展。
限时训练不仅可以应用于学习和工作,也可以应用于日常生活中的各个方面。
比如,我们可以设定一个时间限制来完成家务,这样不仅可以提高效率,还可以让我们有更多的时间去做其他喜欢的事情。
又比如,我们可以设定一个时间限制来锻炼身体,这样不仅可以提高身体素质,还可以节约时间。
限时训练可以应用于各个领域,它可以帮助我们更好地管理时间,提高效率。
综上所述,限时训练是一种提高工作效率和学习能力的方法。
选择题限时训练二(打印)
第1页 第2页N N m m B A12::=高三物理限时规范选择题(二)姓名 成绩 选择题(每小题4分,共40分.在每小题给出的四个选项中,有的小题只有一个选项正确,有的小题有多个选项正确.全部选对的得4分,选不全的得2分,有选错或不答的得0分) 1、在加速上升的气球上落下一物体,该物体离开气球的瞬间的速度和加速度是 ( ) A .有向上的加速度和向下的速度 B .有向上的速度和向下的加速度 C .物体将作竖直下抛运动 D .物体将作自由落体运动 2、如图所示,大小分别为F 1、F 2、F 3的三个力恰好围成封闭的直角三角形(顶角为直角)。
下列4个图中,这三个力的合力最大的是: ( )222F 33、一钢球在足够深的油槽中从静止开始下落.若油对球阻力随球的速度增大而增大,则钢球在下落过程中运动情况描述正确的是 ( ) A .先加速后减速,最后静止 B .先加速后匀速C .先加速后减速,最后匀速D .加速度逐渐减小到零4、两个完全相同的物块1、2、放在水平桌面上,它们与桌面间的动摩擦因数都相同。
现用大小相同的外力F 沿图示方向分别作用在1和2上, 使两者都做加速运动。
令a 1、a 2、分别代表物块1、2、的加速度,则( ) A .a 1=a 2B . a 1>a 2C .a 1<a 2D .无法确定5、如图所示,一轻质弹簧固定在水平地面上,O 点为弹簧原长时上端的位置,一个质量为m 的物体从O 点正上方的A 点由静止释放落到弹簧上,物体压缩弹簧到最低点B 点后向上运动,则以下说法正确的是 ( )A .物体从O 点到B 点的运动为先加速后减速 B .物体从O 点到B 点的运动为一直减速C .物体从B 点到O 点的运动时,O 点的速度最大D .物体从B 点到O 点的运动为先加速后减速6、质量不计的弹簧下端固定一小球,现手持弹簧上端使小球随手在竖起方向上以同样大小的加速度a (a <g )分别向上、向下做匀加速直线运动。
基础知识限时训练(二)
A B CD铁轨铺在枕木上剪刀刃做得很薄书包带做得较宽坦克车的履带基础知识限时训练(二)一、 选择题(8小题,每小题3分,共24分。
下列各题所列答案中,只有一项是符合题目要求的,选对的得3分,选错或不答的得0分) 1. 下列措施中,为了增大压强的是( )2. 关于声现象下列说法不正确的是( )A . 真空不能传声是通过实验与推理的方法获得的B . 声音在空气中以波的形式向外传播C . 课堂上听到老师的讲话声,说明声音可以在空气中传播D . 声音在不同介质中传播速度相同 3. 下列关于光现象的说法正确的是( )A . 漫反射不遵循光的反射定律B . 白光是由各种色光混合而成的C . 电视遥控器发出的是紫外线D . 物体在平面镜中成的是虚像4. 把萝卜腌成咸的通常需要几天,而把萝卜炒熟,使之具有相同的咸味,仅需几分钟。
下列相关的说法错误的是( )A . 萝卜能被腌成咸的说明分子间存在间隙B . 盐分子与萝卜分子间存在相互作用的引力C . 炒菜时萝卜是运动的,盐分子更容易进入萝卜中D . 炒菜时温度高,分子热运动更激烈5. 小东家里的“空气开关”自动断开了,下列原因正确的是( )A. 开关中的两个线头相碰了B. 两孔插座中的两个线头相碰了C. 灯泡的灯丝断了又碰到一起D. 插头和插座接触不良6. 如图2,琪琪用弹簧测力计拉着重8N 的木块在水平面上以2.5m/s 的速度匀速直线运动了2米,弹簧测力计的示数为2N 。
则下列说法正确的( ) A. 琪琪对木块做了20J 的功B. 琪琪对木块的拉力大于地面对木块的摩擦力C. 如果琪琪将拉力增大到3N ,则地面对木块的摩擦力仍是2ND. 如绳子突然断开,木块将立即停止运动7. 如图3,钢珠沿竖直平面上的光滑轨道abcd 从a 点运动d 点,则钢珠( )A . 通过d 时的速度比通过c 时大B . 在c 点比在b 点的重力势能小C . 从a 运动到b 的过程中,动能转化为重力势能D . 从b 运动到c 的过程中,机械能转化为重力势能8. 如图4所示,长1.6m 、粗细均匀的金属杆可以绕O 点在竖直平面内自由转动,一拉力——位移传感器竖直作用在杆上,并能使杆始终保持水平平衡。
填空题限时训练(二)
( ) 文 已知点列A ( ) ‰, 满足 1)= , ≥2 , 1 ,l1 当 时 = ,
一1 1 - -
,
点P口6, IPl (,)则 O 的最大值为一
fx l ( + ≤0 , I J )
[+ , ]孚】 7 [
的 坐 标 为
] ' 一 其 [ ]
5 . 一8 y
2 ) ) =
号 针 上 .只 需 先 将 8 1 2 一
: 一
转移 到2 针上 , 要 次转 移 , 号 需 然后 将 最 大 的那 个 圆盘 转 移 到 3 针 上 , 号 需要 一次 转 移 , 将2 针上 的n 1 再 号 一 个 圆盘 转移 N3 针上 , 要 次 转移 , 号 需
程 , = 8 所 以 一 5 , 案为4 故a 5 , + 8答 6 综上。 9 理 ): .( 口
2 ,
'
由此结 论 可简 解 本题 : 在原 题所 给 图形 中 . C L 作 O_AB于0, 并建 立平
参考答案见P 7雹 ”
5 知 数( i ) 有 个 同 点则 ・ 函,)。 三 不 零 ,实 已
数a 的取 值范 围为一
表示实数n 的整数部分( [.]2 [. - )则点4 。 如 2 = ,0  ̄0 , 6 5 ∞
4 I  ̄ ()l 3 1所 .N. 2= g= , f o3 A 1= )2
4 2 6 3
& 由题 意有 一
所 以∞ _ :7 -
—
填 空髓 限 时 硼 繇 ( J 二
一
1解 得口 , , ≥3 不合题 意 ; 当n 时 ,( _ ( ) 8 4 ≤ > g ) g 2 = - 。
U
4
6 又 ∞ 0 所 以 k, > ,
成语能力提升训练系列(一、二)答案
成语限时训练(1-2)答案1.【辨析】A 。
“巧夺天工”的意思是“人工的胜过了天然”,使用对象错误。
B 中“耳濡目染”的意思是“耳听眼见,不知不觉受到影响”,正确。
C 项“灯红酒绿”往往作贬义用,但它还有一个不常用的本意就是“热闹非凡,人们尽情欢乐”,在此用它的本意,是对的。
D项“凤毛麟角”比喻“罕见而珍贵的人才或事物”,正确。
2.【答案】D3.【辨析】D。
A 、B 两项中的“无所不为”、“半斤八两”多用于贬义,感情色彩不协调,C项中“首当其冲”是比喻“首先受到攻击或遭受灾难”,和句意不符,D 项中的“想入非非”也可以当中性词用,可以理解为“一般人的认识力达不到的玄妙境界”,在此是对的。
4.【辨析】B。
A项中,“莘莘学子”的“莘莘”有“众多”的意思,“莘莘学子”前用“一位”来修饰,显然犯了逻辑上的错误。
C项中,“趋之若鹜”的意思是像鸭子一样成群地跑过去,比喻很多人去追逐某些东西,它多含贬义。
无论是从语意表达上看还是从感情色彩上来盾,用“趋之若鹜”都是不妥当的。
D项中,“万人空巷”的“空巷”是指街巷的居民都出来了,这一成语是用来形容盛大的集会或新奇的事物把居民吸引、轰动一时的情景。
这里是误解了这一个成语的意思,以为路上没有行人,才算是“万人空巷”。
正确项B中,“不孚众望”的“孚”有“使人信服”的意思,“不孚众望”就是“不使人们信服”。
5.【辨析】D。
A项成语“望其项背”的意思是能够望得上别人的颈项和背脊,表示赶得上或比得上。
意思正好相反。
B项中,成语“处心积虑”的意思是千方百计地盘算,多用于贬义。
C项中“火中取栗”比喻“冒险给别人出力,自己上当而一无所得”。
而C句的意思是消费者利用厂家商家竞相降价的机会得到实惠。
D项是本题的正确选项。
成语“拭目以待”的意思是擦亮眼睛等待,形容殷切期望或等待某件事情的实现。
6.【辨析】A。
A 项中“殚精竭虑”也可说成“殚思极虑”、“殚思极虑”“殚心竭虑”、“殚精竭力”等,意思是“用尽精力,费尽心思”。
选择题限时训练(二)
数, 则角 的值 为 (
A .
6 6
圆 圆
A B C D
5 理 ) 数 大 于3 .( 项 的等差 数 列 { 中 , %} 各项 均 不 为零 , 公差 为 1且 ,
A , 3 卜
( ) 于 图2 文 对 的立 体 图 形 , 它 的 则
)
C .3 D.4
( ) 全集 U R, 文 若 = 集 =
-≥0 , 等 于 ( 4 } 则C
)
侧 ( ) 图是 ( 左 视
)
A B , . { ) c一- [。 .∞吉u ,】 (,u,) [, )吉 ∞ ∞2 2。 一一 (+ ] + D
些简单的题 目及 少量 中档题.此 外 ,对 多数题 目未能 用特殊
方法解 决. 以致 出现 了超 时失分现 象. 涨分 秘籍 : 时训 练时应 立足 中、 档题 目, 清主要 失分点属 平 低 弄
于哪个 章节 , 在搞 懂弄通 的基础 上 , 深入 思考 , 最后再找 一 些类
似 的题 目加 以演练 . 到这类题 目的正确 率达N9 %以上 . 直 5
C
D
C a ix T a)i(- ) .—sn ( - s 7 f n 1
sn ia
D ai( - s (- ) . snT a)i T ̄ n -
—
—
9 理) .( 函
o & ) l 且n ) 一( ≠1 的图象 恒过定 , 若 1 0 , 中m,均 大 于0 则 + 的 =上 其 , )
4( ) 理 某几 何 体 的直观 图 如 图1 所示 , 则该几 何体 的侧 ( ) 图 的 左 视
高二英语限时训练(M5U2之二)
高二英语限时训练(M5U2之二)【限004】整理人:李成荣审核人:倪锦春 2013.12.16一、重要短语37.记在脑子里___________________38.做出最终决定___________________39.用光___________________40.要是……怎么办___________________41.一到……___________________42.被逮捕___________________43.努力与土地荒漠化斗争___________________44.阻止风将土壤刮走___________________45.对……进行研究___________________46.很可能___________________47.训练人们怎样使用水而不浪费_________________________________48.挑选___________________49.世界第三长河___________________50.依靠___________________51.大范围的___________________52.建立 ___________________53.处理 ___________________54.禁止非法狩猎___________________55.处在危险中___________________56.在进行中 ___________________57.一个水土保持项目___________________58.用……替换___________________59.自然保护 ___________________60.任重而道远___________________61.关于___________________62.毫无疑问___________________63.把……归咎于___________________64.生产二氧化碳___________________ 65.释放___________________66.在这种情况下___________________67.没有使用___________________68.尤其是___________________69.最后但同样重要的是___________________70.吸收二氧化碳___________________71.找到一种满足感___________________72.尽你的一分力___________________二、重要句型9.要是资源耗尽怎么办?_______________________________________ 10.中国政府和人民对于保护这条(人们)深爱着的河流的努力在为了数十年里都将是感激不尽的。
高考英语二轮专题能力提升限时训练 单项填空(定语从句)+阅读理解(含解析)
高考英语二轮专题能力提升限时训练单项填空(定语从句)+阅读理解(含解析)单项填空(定语从句)+阅读理解(限时25分钟)Ⅰ.单项填空(对应学生用书第105页)1.You can find whatever you need at the shopping centre, is always busy at the weekend.A.thatB.whereC.whatD.which2.A woman with a bleeding hand hurried in and aske d,“Is there a hospital aroundI can get some medicine for my wounded hand?”A.thatB.whichC.whereD.what3.Today,we’ll discuss a number of cases beginners of learning English fail to use the language properly.A.whichB.asC.whyD.where4.The CEO always tries his best to create an atmosphere his employees can express their opinions freely.(2012合肥高三第二次教学质量检测)A.for whichB.whichC.whereD.of which5.The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, meant spending tens of thousands of pounds.A.whoB.thatC.asD.which6. I explained on the phone,your request will be considered at the next meeting.A.WhenB.AfterC.AsD.Which7.The professor built a glass wall he could observe what was going on inside.A.in whichB.whereC.from whichD.through which8.For many cities in the world,there is no room to spread out further, New York is an example.A.for whichB.in whichC.of whichD.from which9.A good advertisement often uses words people attach positive meanings.(2012合肥高三第一次教学质量检测)A.thatB.whichC.with whichD.to which10.I often look back on my university days, I regard as the happiest of my life.(2012山东威海一模)A.whichB.thatC.whenD.what11.Has the re been an occasion learning from the past allowed you to do something more happily?(2012合肥四校高三4月质量检测)A.whoB.whichC.whyD.when12.—Is that the small town you refer to?—Right,just the one you know I used to work for years.A.whoB.whomC.thatD.where13.The way he explained to us was quite simple.A.whoB.whichC.in whichD.where14.Most of the young generation are the only child in their families is the apple of their parents’eye.(2012七校高三第二次大联考)A.thatB.whichC.whatD.where15.The CCTV program,People Who Moved China,honors those contributions should be remembered.A.whoseB.whichC.theirD.who答案及剖析:1.D 把从句补充完整:the shopping centre is always busy at the weekend,由此可以看出引导词在从句中作主语,先行词是the shopping centre,又因为此句是非限制性定语从句,所以用which。
限时训练实施方案
限时训练实施方案一、背景。
随着社会的发展和竞争的加剧,人们对于自身能力的要求也越来越高。
在这种情况下,限时训练成为了一种非常有效的提升个人能力的方式。
限时训练不仅可以帮助个人提高工作效率,也可以增强个人的应变能力和抗压能力。
因此,我们制定了限时训练实施方案,旨在帮助员工提高工作效率,提升个人能力。
二、实施目标。
1. 提高工作效率,通过限时训练,帮助员工更好地管理时间,提高工作效率,提升工作质量。
2. 增强应变能力,在限时训练中,员工需要在有限的时间内完成任务,这可以帮助他们增强应变能力,提高处理突发事件的能力。
3. 提升抗压能力,限时训练会给员工带来一定的压力,通过训练可以提升员工的抗压能力,使其在工作中更加沉稳。
三、实施步骤。
1. 制定训练计划,首先,我们需要制定一份详细的训练计划,包括训练时间、内容安排、训练目标等。
训练计划需要根据员工的实际情况进行调整,确保训练的针对性和有效性。
2. 提前准备,在进行限时训练之前,我们需要提前准备好所需的工具和材料,确保训练的顺利进行。
同时,还需要对员工进行必要的心理辅导,帮助他们调整好状态,迎接训练的挑战。
3. 开展训练,根据制定的训练计划,按时开展限时训练。
在训练过程中,我们需要对员工进行及时的指导和反馈,帮助他们更好地理解训练内容,提高训练效果。
4. 总结经验,在训练结束后,我们需要及时总结训练的经验和教训,为下一阶段的训练做好准备。
同时,还需要对员工进行综合评估,发现问题并提出改进意见。
四、实施效果评估。
1. 工作效率提升情况,通过限时训练,我们需要对员工的工作效率进行评估,看是否有明显的提升。
2. 应变能力和抗压能力提升情况,通过观察员工在训练后的工作状态和表现,评估其应变能力和抗压能力是否有所提升。
3. 反馈意见收集,我们还需要收集员工对于限时训练的反馈意见,了解他们的真实感受和建议,为后续训练改进提供参考。
五、实施方案改进。
根据实施效果评估和员工反馈意见,我们需要对限时训练实施方案进行及时的改进和调整,确保训练的有效性和针对性。
能力提升2
完型填空One summer evening as I was cooking supper, there was a knock at the door. I 1_ it to see a truly bad-looking man. But his voice was 2 as he said , “ Good evening. I’ve come to see if you’ve a 3 for just one night. I came for a(n) 4 this morn ing from the eastern shore. And there’s no bus next morning.” He told me he’d been 5 for a room but with no success. “ I guess it’s my face … I know it looks terrible, but my doctor says with a few more treatments …” he said. I told him we would 6 him a bed, but to rest on the porch. I went inside and prepared supper. When we were 7 , I asked him if he would 8 us. “No, thank you. I have plenty.” When I had 9 the dishes, I went out to talk with 10 . It didn’t take a long time to see 11 this old man had an oversized heart crowded into that tiny body. He told me he fished for a living to 12 his daughter, her five children, and her husband, who was 13 disabled from a back injury. At bedtime, we 14 a bed in the children’s room for him. On his next trip, 15 a gift, he brought a big fish and a quart of the largest oysters I had never seen. In the years he came to 16 overnight with us, there was 17 a time that he did not 18 us some fish or others from his garden.I know our family will always be 19 to have known him; from him we learned what it was to accept the 20 without complaint and the good with thanks .1. A. felt B. opened C. repaired D. painted2. A. tiring B. dull C. pleasant D. angry3. A. room B. book C. bus D. castle4. A. interview B. text C. perform D. treatment5. A. crying B. hunting C. studying D. choosing6. A. find B. borrow C. give D. sell7. A. happy B. ready C. busy D. free8. A. call B. visit C. join D. invite9. A. examined B. broken C. finished D. removed10. A. her B. him C. them D. it11. A. how B. why C. whether D. that12. A. expect B. support C. supply D. fetch13. A. hopelessly B. carelessly C. breathlessly D. slightly14. A. put B. planted C. covered D. discovered15. A. at B. in C. as D. for16. A. suffer B. judge C. live D. stay17. A. always B. never C. ever D. even18. A. bring B. water C. desert D. buy19. A. beautiful B. thankful C. special D. silent20. A. poor B. wounded C. bad D. ill阅读理解How are you and your family going to celebrate Earth Day? It’s great day to get outside and ride a bike, but there are other ways you could spend the day. Here are four books. You can learn more about the earth and the animals that make the world a special place to live.The Busy Beaver, by Nicholas OldlandBeaver is very busy, and he doesn’t always think carefully. As a result, he makes a mess of the fo rest and ends up in hospital. Finally, he realizes how careless he’s been and decides to make things right when he returns to the forest.Lessons from Mother Earth, by Elaine McleodFive-year-old Tess is visiting her grandmother and, for the first time, she visits the garden. A long the way , Tess’s grandmother tells her the rules of the garden, “ You must always take good care ofour garden. Never throw rubbish around. There is plenty for everyone to share if we don’t destroy the soil.” The story is be autifully told as a caring conversation between a child and her grandmother.Luz See the Light, by Claudia DavilaWhen Luz’s community (社区) experiences a series of black-outs(停电), she quickly comes to understand the need to save energy and find other ways of doing things. With the help of her friends and neighbors, she creates a community garden and park that everyone can use. The book attracts many young readers.The Lorax, by Dr. SeussA young boy learns of the role of the Lorax as protector(保护者) of the trees, and how his home became polluted. The book contains memorable of forestry conservation(森林保护) .1. We can learn from the passages that Beaver ________.A. always plans things carefullyB. never care of the forestC. decides to leave the forest foreverD. gets hurt because of his carelessness2. Which of the following words can best describe Luz ?A. StubbornB. CreativeC. BeautifulD. Unfriendly3. Which of the following books focus on the protection of forest?A. The Busy Beaver and The Lorax.B. Luz Sees the Light and The Lorax.C. The Busy Beaver and Lessons from Mother Earth.D. Lessons from Mother Earth and Luz Sees the Light.4. What is the writer’s purpose in writing this passage?A. To provide some activities to Earth Day.B. To offer some books to young children.C. To tell readers how to write c hildren’s books.D. To teach readers how to protect our environment.七选五There was once a lonely girl who wanted love very much.One day while she was walking in the forest,she found two birds.1.She was happy to have two “friends”.She took care of them with love and the birds grew strong.Every morning they greeted her with a beautiful song. The girl felt great love for the birds. She wanted their singing to last forever.2The larger and stronger of the two birds flew out of the cage.The girl watched worriedly as he flew above her. She was so frightened that he would flew away and she would never see him.So as he flew close, She caught him quickly.She felt very happy. 3Her love had killed him.She noticed the other bird standing at the door of the cage. She could feel his great need for freedom and his need to fly into the clear, blue sky .4The bird flew around(转圈)her once,twice,and three times.The girl looked happily at the bird’s enjoyment.Her heart was no longer concerned with her loss.5.Suddenly the bird flew closer and landed softly on her hand.It sang the sweetest song she had ever heard(她所听过的).The fastest way to lose love is to hold too tight; and the best way to keep love is to give it wings!A. One day the girl left the door to the cage open.B. She lifted him from the cage and freed him.C. She took them home and put them in a small cage .D. The birds were so beautiful that she loved them very much.E. She wanted the bird to be happy.F. She realized her mistake.G. However, when she opened her hand, she found the bird had dead.。
最新1.4 能力提升练和拓展练
(上升用正数表示)
2021/9/4
+30 -20 +17 +8 -20
3
单击此处编辑母版标题样式
6.一位病人在上周星期日入院,测量血压的高压是160个单位。这周
• 单星 个击期 单一位此血,处压星的期编高三辑压血上 压母升 的了 高版3压0文个上单升本位了样,17星个式期单二位血,压星的期高四压血下压降的了高压20
出现在( 1 )时,是( 9 )℃。
2021/9/
6
单击此处编辑母版标题样式
8.下面是小明记录的某地10月份一天中整时的气温情况。
• 单击此处编辑母版文本样式
– 二级
• 三级
– 四级 » 五级
(3)如果以11时的气温为基准,记为0 ℃,那么13时的气温记为(+5 )℃, 23时的气温记为(-7 )℃。
是下降了? 答:与上周星期日血压的高压相比,这周星期五血压的
高压是上升了。
2021/9/4
4
单击此处编辑母版标题样式
7.下表是国外几个城市与北京的时差。(带正号的数
• 单击表此示同处一编时辑刻比母北版京文时间本早样的式时数)
– 二级
• 三级 张教师想– 四在»级北五京级时间15:00给在纽约的弟弟打 ,你
–上二升级了8个单位,星期五血压的高压下降了20个单位。(血压的高压
变化• 情三况级都与前一天作比较)
(2)观察表格– ,四答»级五复级下面的问题。 ①该病人哪一天血压的高压最高?哪一天血压的高压最低?
答:星期四血压的高压最高,星期二血压的高压最低。
②与上周星期日血压的高压相比,这周星期五血压的高压是上升了还
认为适宜吗?
能力训练2-2
表2-7分部分项工程量清单涪曲慧嘉竺三孬纂量雾嚣辜磊夏鬻萋某晃导雾茬;可茎袭会翌?翥翥警蒿鬈蓑坌曩釜茎裹蓑萎善善等霎凳:篡篆狲对蓑差篙黎窒霎票兰芝篡曩集翥篙季雾茹巢爻亍嚣;箬嘉蒙萎荐军磊嘉后便可进行投标报价,核实的结果并不一定在投标别I刚舌刘形怀八,刈3位丁臼1小凡几。
Ⅲ垌单项目漏项和量错误,在原则上谁中标谁进行调整。
能力训练2-1 编制分部分项工程量清单击2絮黑圣搿‘黧鬟篇篇£淼≤荔菘B中清单项目的设置及对应清单项目的有关特征描述和所要冗戚臂可11’¨备’手但’刀1…“工程量清单项目项目编码的方法及项目名称的设置等。
【能力目标】具有编制一般土建工程分部分项工程量清单的能力。
【原始资料】××办公楼建筑及装饰装修工程招标文件(见附录A)。
(1)’了解招标文件的有关要求包括招标范围、现场施工条件、材料购置情况、对施工质量的要求、预留金额的多少等。
(2)读图以附录A中提供的施工图设计文件为例进行分析。
2耄萋詈荤建竺蓑嘉要黑导:-篇嚣淼慧:系、鲥设计拣脯①轴线尺寸、墙体外边线尺寸、外墙外侧与外墙釉线J哪臼可夭豕、兰引风¨1巾州、5’“③门窗洞口的尺寸及形式要求。
④楼地面、内外墙面装饰、顶棚等工程做法。
⑤上人孔、女儿墙压顶泛水、排水口、台阶、地沟等节点做法。
2)通过阅读结构施工图(附图9~附图16)需要明确以下内容:黑兰萼芸耄≥耋础薹主;蓑,釜霁翥客羔凝土结构构件。
基础、梁、板、柱,强度等级。
黑竺兰:蓑萎恚二薹嘉嘉嚣磊主荨?纂霎萎嘉篝篙篙篓未繁篇豢篙蒜系、(匐各种钢筋混凝土结构构件的尺寸、标鬲及构件1日J的夭糸L帮昼棚司登删术H”“。
门窗上是否单独设置过梁、框架梁的底标高是否即为过梁的底标高等)。
●⑤基础、框架梁、框架柱、板的配筋情况,特别要注意钢筋的锚固、搭接以及图样中未标明但在施工中存在的钢筋,如基础底板在施工时,需要支撑上下底板钢筋所用的钢筋支架;板中负弯矩钢筋下的分布钢筋等。
能力进阶集训2精品课件
A.两环都向右运动 C.环 1 静止,环 2 向右运动
B.两环都向左运动 D.两环都静止
解析 条形磁铁向右运动时,环 1 中磁通量保持为零不变,无感应电流, 仍静止。环 2 中磁通量变化,根据楞次定律,为阻碍磁通量的变化,感应电流 的效果使环 2 向右运动。
答案 C
2.如图所示,开关 S 是闭合的,流过线圈 L 的电流为 i1,流过灯泡的电流 为 i2,且 i1>i2。在 t1 时刻,开关 S 断开,那么流过灯泡的电流 i 随时间 t 变化的 图象是图中的( )
• You have to believe in yourself. That's the secret of success. 人必须相信自己,这是成功的秘诀。
•
4.(多选)电磁炉采用感应电流(涡流)的加热原理,是通过电子线路产生交 变磁场,把铁锅放在炉面上时,在铁锅底部产生交变的电流,它具有升温快、 效率高、体积小、安全性好等优点。下列关于电磁炉的说法中正确的是( )
答案 C
2.(多选)(2017·黑龙江牡丹江摸底)如图所示,阻值为 R 的金属棒从图示位 置 ab 分别以 v1、v2 的速度沿光滑水平导轨(电阻不计)匀速滑到 a′b′位置,若 v1∶v2=1∶2,则在这两次过程中( )
A.回路电流 I1∶I2=1∶2 B.产生的热量 Q1∶Q2=1∶4 C.通过任一截面的电荷量 q1∶q2=1∶1 D.外力的功率 P1∶P2=1∶2
据电磁感应电荷量经验公式知,上滑过程和下滑过程磁通量的变化量相等,则
通过电阻 R 的电荷量相等,故 D 错误。 答案 AB
4.(多选)(2017·湖南石门单元检测)如图甲所示,abcd 是位于竖直平面内的 正方形闭合金属线框,在金属线框的下方有一磁感应强度为 B 的匀强磁场区域, MN 和 M′N′是匀强磁场区域的水平边界,边界的宽度为 s,并与线框的 bc 边平行,磁场方向与线框平面垂直。现让金属线框由距 MN 的某一高度从静止 开始下落,图乙是金属线框由开始下落到完全穿过匀强磁场区域的 v-t 图象(其 中 OA、BC、DE 相互平行)。已知金属线框的边长为 L(L<s)、质量为 m,电阻 为 R,当地的重力加速度为 g,图象中坐标轴上所标出的字母 v1、v2、t1、t2、 t3、t4 均为已知量。(下落过程中 bc 边始终水平)根据题中所给条件,以下说法正 确的是( )
能力升级训练2正确使用词语(包括熟语)
能力升级训练 2 正确使用词语(包括熟语) 能力升级训练 2 正确使用词语(包括熟语)1.(2014·省级示范高中名校联考)下列各句中,加点的成语使用恰当的一句是( )A.推进生态文明建设,建设美丽中国,成为我们社会进一步发展的无可非议的议题,是对公民道德的考量,也是对各级政府和领导干部的能力的挑战。
B.一次次见到如此色、香、味俱全的菜肴,一次次大饱朵颐,却似乎再没有馋涎欲滴的感觉,更没有当初对一顿红烧肉就如盼过年般朝思暮想的心情。
C.宣城在市直单位推行的党员上岗戴党徽制度得到党员干部的积极响应,姚玉舟认为这样做不仅能约束广大党员干部的危言危行,更方便群众监督。
D.年轻人有热血有豪情,充满对未来的想象,但这不是浮躁的理由,年轻人更应当脚踏实地而不是天马行空地生活、工作,这样无悔青春,无悔时代。
2.(2014·老牌示范高中联考)下列各句中,加点的成语使用恰当的一句是( )A.曹操的一切政令,都是以皇帝的名义颁布的,谁反对他,就是反对皇帝,就是十恶不赦,罪不容诛,这就叫作“挟天子以令诸侯”。
B.两只海豚在太平洋的一个小岛上搁浅了,令人惊奇的是在救助的过程中,它们始终不即不离,如同一对患难与共的夫妻。
C.有的火锅店工作人员对安全隐患不以为然,称使用液化气罐虽然有一定危险,但每天都会检查,所以“越危险越安全”。
D.煤矿工人生产条件较为艰苦,矿工以矿为家,矿上的各级领导视矿工为家人,和矿工们打成一片,相敬如宾。
煤矿负责人也不断强化以人为本的理念。
3.(2014·六校共同体最后一卷)下列各句中,加点成语使用恰当的一项是( )A.如何让考生在考场上正常甚至超常发挥,很多教师和家长提出了美芹之献,使考生们能够轻装上阵。
B.要是老百姓连饭都吃不上,自己在那里吹牛,说自己多么有德,多么正确,便是一种“桀犬吠尧”式的愚民之术了。
C.嫦娥三号着陆器和“玉兔”号月球车都已自主唤醒,两器安全度过长达14天的第一个月夜的极低温环境,说明我国探测器月夜生存技术与日俱增。
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
能力提升限时训练(二)语法和词汇知识(代词、介词)+阅读理解(限时25分钟)Ⅰ.语法和词汇知识(对应学生用书第97页)1.Although Henry majored in art and literature in college,he had little interest insubject.(2012内江、广安联考)A.everyB.eitherC.bothD.neither2.The doctor thought would be good for you to have a good rest.(2012四川泸州二诊)A.thisB.thatC.oneD.it3.Many people have donated that type of blood;however,the blood bank needs .(2012北京,28)A.someB.lessC.muchD.more4.I saw a beautiful fish in the market the other day.I’m considering buying some orange and blue tomorrow.A.the onesB.onesC.thoseD.them5.—The food in this restaurant is horrible.—But the food isn’t .Isn’t it nice just to get away from all the noise?(2012福建泉州高三3月质检)A.everythingB.anythingC.nothingD.something6.If you buy more than ten books,we’ll reduce the cost of each book 10 percent.(2012四川广元二次适应性考试)A.atB.toC.forD.by7.As we have much time left,let’s discuss the matter tea and cake.(2012成都外国语学校月考)A.overB.withC.byD.at8.Do you think this shirt is too tight the shoulders?(2012北京,34)A.atB.onC.toD.across9.Brown said he was by no means annoyed; ,he was glad to be able to make himself clearly understood.(2012浙江,14)A.all in allB.for one thingC.on the contraryD.by the way10.People love to waste time on the Internet and if it’s funny they’ll go there, who put the information there.A.regardless ofB.in case ofC.in spite ofD.instead of答案及剖析:1.B 考查不定代词用法。
句意:尽管亨利在大学主修艺术和文学专业,但他对两个科目都不感兴趣。
根据although知道两个部分是转折关系,下文里又有半否定词little,所以选either,半否定词和either连用表全否定。
2.D 考查it 作形式宾语的用法。
句意:医生认为好好休息对你有好处。
it作形式宾语,真正的宾语是to have a good rest。
3.D 考查代词。
根据however可知,尽管许多人已捐了那种血型的血,但是血库需要更多的(这种血),暗含比较,表示“更多的”,故选more。
4.B 考查代词。
the ones表特指;those和them前不能出现修饰词。
ones只能替代复数名词,其前可有形容词作定语。
故B项正确。
5.A 考查代词。
句意:——这家餐馆的饭菜不好吃。
——但是,饭菜不好并不代表全不好啊。
(此店幽静,)远离喧闹不也很好吗?not+everything属于部分否定,表示“并非一切都不”。
故选A。
6.D 考查介词用法。
句意:如果你买的书超过十本,我们会每本降价10%。
降价、减少多少用介词by。
7.A 考查介词用法。
句意:因为我们还剩许多时间,让我们一边喝茶吃点心,一边讨论这事。
over 意为:在……期间,一边……一边……。
8.D 考查介词。
句意:你认为这件衬衫肩太紧吗?across the shoulders在肩部(从一肩到另一肩)。
9.C 考查介词短语。
句意:Brown说他没生气;相反地,他很高兴让人对他消除误解。
all in all总之;for one thing一方面;on the contrary相反地;by the way顺便问一句。
故C正确。
10.A 句意:人们喜欢在网上消磨时间,而且如果有意思,不管是谁放上的信息,他们都会去看。
A项意为“不管,不顾”;B项意为“如果,假使”;C项意为“尽管”;D项意为“代替”,故选A。
Ⅱ.阅读理解( A )(对应学生用书第97页)【短篇故事类】The Story of PaulWhen Paul was a boy growing up in Utah,he happened to live near a copper smelter (炼铜厂),and the chemicals that poured out had made a wasteland out of what used to be a beautiful forest.One day a young visitor looked at this wasteland and called it an awful area.Paul knocked him down.From then on,something happened inside him.Years later Paul was back in the area,and he went to the smelter office.He asked if they had any plans or if they would let him try to bring the trees back.The answer from that big industry was “No”.Paul then went to college to study the science of plants.Unfortunately,his teachers said there weren’t any birds or squirrels to spread the seeds.It would be a waste of his life to try to do it.“Everyone knew that,” he was told.Even if he was knowledgeable as he had expected,he wouldn’t get his idea accepted.Paul later got married and had some kids.But,his dream hadn’t been dead.And then one night he did what he could with what he had.Under the cover of darkness,he went secretly into the wasteland and started planting.And every week,he made his secret journey into the wasteland and planted trees and grass.For fifteen years he did this against the plain common sense.Slowly rabbits ter,as there was legal pressure to clean up the environment,the company actually hired Paul to do what he was already doing.Now the place is fourteen thousand acres of trees and grass and bushes,and Paul has received almost every environmental award Utah has.It took him until his hair turned white,but he managed to keep that impossible vow he made to himself as a child.1.When Paul was a boy, .A.he had decided never to leave his hometownB.the economy of Utah depended wholly on the copper smelterC.no laws were made to protect the environment against pollutionD.he had determined to stop the copper smelter polluting the area2.Why did Paul go to college to study the science of plants?( )A.He wanted to find out the best way to save the area himself.B.He was interested in planting trees since he was young.C.He wanted to get more knowledgeable people to help him.D.He thought his knowledge would make his advice more persuasive.3.What does the underlined phrase “the plain common sense”probably refer to?( )A.That it was impossible for trees to grow on the wasteland.B.That his normal work and life would be greatly affected.C.That no one would like to join him in the efforts.D.That he had to keep everything he did secret.4.The message of the passage is that .A.actions speak louder than wordsB.perseverance will work wondersC.God helps those who help themselvesD.many hands make light work语篇解读:本文讲述了美国犹他州的保罗从青年到老年一直努力于植树种草,改变环境并最终成功的故事。