2020-2021学年高二英语人教版必修5课时作业2 Unit 1　Great scientists Learning about Language Using Language Word版含解析

1、课时作业2learning about language & using language.单词拼写1i don't make sense of what you said just now. could you explain it to me now?2he was very cautious when he was asked about his attitude towards the matter.3the girl rejected his offer of a job, because she wanted to find one by herself.4she

2、was even less enthusiastic (热情的) about going to spain.5she is not very positive (乐观的) about the outcome of the talks.6she had a great eye for color and came up with some creative ideas for our house.7yesterday one told me that there is a kind of bird; it's the only one which can fly backward (向后

3、)8scientists watch the moon to get data about its movement (移动)9we all look forward to the day when the scientists can discover more secrets of the universe.10let's spin the coin to decide whether to go or not.选词填空make sense， be strict with， be positive about， contribute to， apart from， make a d

4、ifference， be enthusiastic about， be cautious about， lead to， be similar to1my teacher will be_strict_with me from now on.2you've got to be_positive_about your work.3this is our virgin voyage on this sea route. we must be_cautious_about our safety.4the easiest way to make_a_difference is not to

5、drop litter.5david is_enthusiastic_about the plan that we will go on holiday in sanya.6apart_from the cost, the dress doesn't suit me.7it makes_sense to save money while you can.8the use of information technology could lead_to major progress for developing nations.9monkeys are_similar_to human b

6、eings but are still part of the animal kingdom.10would you like to contribute_to our collection?.单句语法填空1they are likely to respond positively (positive) to the president's request for aid.2i bought a toy soldier with movable (move) arms and legs for my son.3the truck spun (spin) out on the icy r

7、oad, and crashed into the fence.4you should be cautious (caution) when you cross the street.5her rejection (reject) of him seems to have made him go back into his shell.6a warm smile is the universal (universe) language of kindness.7only if a teacher has given permission is a student allowed to ente

8、r this room.8he went to the badminton club at times during his school days.9we finished the run in less than half the time allowed (allow)10mr smith gave us a confusing lecture this afternoon and most of us were confused.(confuse).完成句子1我想知道他们之间糟糕的关系什么时候结束。i wonder when the bad relation between them

9、will come_to_an_end.2听到这个鼓舞人心的消息，我们都为我们的国家自豪。hearing_the_inspiring news, we all felt proud of our country.3除了两本有价值的书外，他还给了我一些钱。apart_from two valuable books, he offered me some money.4你能在架子上腾出放新书的地方吗？can you make_room on the shelf for new books?5那位退休工人建议我多喝开水。the retired worker advised me to drink m

10、ore boiled water.6每个人都应当为保护环境做贡献。everyone should make_a_contribution_to protecting the environment.7为了确定他在家，我事先打电话给他。to_make_sure_that he was at home, i called him up in advance.8我在做出决定之前有许多情况要考虑。i have many facts to chew upon before_i_make_up_my_mind.完形填空thomas edison tried two thousand different m

11、aterials to make the light bulb. when none worked satisfactorily, his assistant _1_， “all our work is in vain. we have learned nothing.”thomas edison replied very _2_， “oh, we have come a long way and we have _3_ a lot. we now know that there are two thousand materials which we cannot _4_ to make a

12、good light bulb.”if we learn from our mistakes, then we are _5_. if we learn from someone else's mistakes, then we are a genius. success is nothing more than a few simple disciplines _6_ daily and failure is nothing more than a few small _7_ repeated daily.how _8_ the above lines are! success ta

13、kes _9_. we'll make mistakes _10_ we do things in too much of a hurry. when we do not practice disciplines in life, we don't build enough confidence to _11_ new and challenging tasks which are important and matter in life. our confidence _12_ what we think of ourselves and whether we believe

14、 in ourselves. we are all born with exceptional (独特的) _13_， but only a few really _14_ their true potentials and make efforts in life and the others just lead a(n) _15_ life. do you want to be exceptional?success is a fruit which everyone wants to _16_ but it is not found everywhere and no one can _

15、17_ it without serious efforts.those who want to succeed will find a way; those who don't will find a(n) _18_！success depends on previous _19_， and without it we will end in failure.when you are _20_， please enjoy it and give your hand to others who want to accomplish something.1a.celebrated bco

16、mplainedcexplained danswered答案：b解析：由后面的话可知，爱迪生的助手有点灰心丧气，所以他就开始“抱怨(complained)”。celebrate“庆祝”；explain“解释”；answer“回答”。2a.confidently bmadlyccarelessly dangrily答案：a解析：由后面爱迪生所说的话可知，爱迪生对发明锲而不舍，所以他对自己的工作充满了“信心”。3a.remembered brefusedclearned dordered答案：c解析：由爱迪生的乐观态度可知，他认为他们已经“学到了(learned)”很多。上文中助手的话也有提示。4

17、a.test bignorecinvent duse答案：d解析：试验证明有2 000种材料不能“用来(use)”做电灯泡。5a.healthy benthusiasticcintelligent dgenerous答案：c解析：此处与下句的genius呼应：如果我们善于从自己的错误中学习，那我们就会变得“明智(intelligent)”。6a.shown bpreventedcrecorded dpracticed答案：d解析：成功就是每天要“实践(practice)”的一些简单的行为准则。由下一段第四句可得到提示。7a.errors bmachinescjobs dsteps答案：a解析：

18、失败来自于每天重复犯的“小错误(errors)”。8a.common bstrangecfamiliar dtrue答案：d解析：这里用true表示作者完全认同上述这些话。9a.effect btimecdrugs droles答案：b解析：由下一句可知，成功需要时间。10a.as though bso thatcunless dif答案：d解析：如果太着急就会犯错误。if在此引导一个条件状语从句。11a.keep battemptcgive dsee答案：b解析：没有自信心，我们就无法去“尝试(attempt)”新的具有挑战性的任务。12a.depends on bsets asidectu

19、rns down dsets up答案：a解析：由上下文可知，我们的自信“取决于(depends on)”我们对自己的看法以及我们是否相信自己。13a.appearances bexperiencescqualities dfeelings答案：c解析：我们每个人生来都具有特殊的“品质(qualities)”。其他选项不符合常理。14a.own brealizecprovide dresearch答案：b解析：但是只有一少部分人“认识到(realize)”自己的潜能。15a.active bhardcrich daverage答案：d解析：此处选“平庸的(average)”与上文中的excep

20、tional对应。16a.sell bdrawceat dpraise答案：c解析：成功就像人人都想“吃(eat)”的水果，此处用来比喻人人都想拥有成功。17a.achieve bwatchcoffer drecognize答案：a解析：不付出努力，你就无法“获得(achieve)”成功。18a.story bexcuseckey dplan答案：b解析：想成功的人总是寻找办法，而不想成功的人总是寻找“借口(excuse)”。19a.preparation binfluenceclife dgeneration答案：a解析：事先准备会走向成功，反之注定会失败。previous preparat

21、ion“先前的准备”。20a.powerful bwonderfulcsuccessful dhopeful答案：c解析：当你“成功(successful)”时，享受它并帮助其他想取得成就的人。.语法填空scientists have discovered that _1_ (stay) in the cold could help us lose weight. researchers at the university of california found that exposure to the cold increases levels of a protein that helps

22、 form brown fata type of fat _2_ produces heat and keeps us warm. brown fat burns energy, which helps us lose weight. white fat stores extra energy, which results _3_ weight gain. the researchers said that because air conditioning and heating give us constant and _4_ (comfort) temperatures, our body

23、's need for brown fat has decreased. they found that：“outdoor workers in northern finland who _5_ (expose) to cold temperature have _6_ significant amount of brown fat when _7_ (compare) to sameaged indoor workers.”the research was conducted on two different control groups of mice. one group was

24、 injected with the protein that helps create brown fat. this group later gained 30% less weight after both groups were fed highfat diets. the researchers say this could be good news in the fight against obesity. people who are obese have _8_ (low) levels of brown fat than thinner people. head researcher hei sook sul said, “this protein could become an important target for research into the treatment and _9_ (prevent) of obesity and obesityrelated diseases.” she added, “if you can somehow increase levels of this pr