双基限时练(二) Unit 13 People
Warmup
Ⅰ.单词拼写
1．The police are looking for the person who is in ________(联系) with the accident. 答案 connection
2．Many school students don't like to wear their school __________(制服)． 答案 uniforms
3．A __________(一连串) of accidents took place because of the bad weather. 答案 chain
4．His __________(面部的) smiles don't mean his real friendship. 答案 facial
5．Her fluent English certainly means her good __________(表达能力) in English. 答案 expression Ⅱ.单项填空
1．His whole school education ________ no more than one year. A. added up to B. added C. added to D. added up
答案与解析 A 句意：他接受的全部的学校教育加起来不到一年。add up“加起来”可用作及物动词短语，也可用作不及物动词短语。add up to“合计，共计”是及物动词短语。add up的宾语一般是figure, bill, receipt, cost等名词，而add up to的宾语则是具体的数字。
2．The engine of the ship was out of order and the bad weather ________ the helplessness of the crew at sea. A. added to B. resulted from C. turned out D. made up
答案与解析 A 句意：轮船的发动机失灵了，恶劣的天气更加让海上的船员们感到无助。add to“增加；增添”，符合句意。result from“起因于”； turn out“结果是；证明是”； make up“组成；构成；弥补；编造”，均不符合句意。
3．________ after a long walk, Henry called and said he couldn't come. A. Having worn out B. Being worn out C. To wear out D. Worn out
答案与解析 D 句意：长途跋涉之后，亨利感到精疲力竭，打电话说他不能来了。此处考查过去分词作状语。wear oneself/sb. out (to make oneself/sb. feel very tired)“使筋疲力尽”，因此主语Henry与wear out之间为被动关系。Worn out after a long walk相当于状语从句“Because Henry was worn out after a long walk.”。
4．It has been proved that there is a(n) ________ between cigarette smoking and certain diseases. A. connection B. description C. expression D. devotion
答案与解析 A 句意：已证实抽烟和某些疾病有关。a connection between ... and ...“……和……之间的联系”。description“描述”； expression“表达”； devotion“热爱；奉献”。 5．Tom's ________ expressions made his teacher annoyed. A. face B. facially
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C. face's D. facial 答案与解析 D facial为形容词，意为“面部的”。
6．Susan and Mary took ________ at sitting up with their sick mother. A. turn B. turns C. turned D. turning
答案与解析 B take turns at doing sth.相当于take turns to do sth.，意为“轮流做某事”。 Ⅲ.完形填空
One of the greatest things about growing older is that you get to stay up later. And it's not just your parents who make that __1__. Your body gives you __2__ to enjoy the darker hours, too.__3__ research has shown that brain changes during teen years make it easier for kids to __4__ late.
But just because you can stay up late, doesn't mean you __5__， scientists say. Young people __6__ don't get enough sleep are often taken for school, or they miss it completely, says a recent study __7__ the National Sleep Foundation(NSF). Sleepy kids tend __8__ and unhappy. And their grades suffer.
Just because you can stay up late doesn't mean that you should. “If you're sleeping in school, you' re not __9__， ” says Mary Carskadon. She's a __10__ researcher at Brown Medical School in Providence, R．I..
Lack of sleep is a __11__ problem in the United States, Carskadon says. Schools __12__earlier in recent decades. And with televisions, computers, and video games to distract them, people of all ages are sleeping less than their parents or grandparents __13__ a few generations ago.
Sleep is important because it gives our bodies time to __14__ from the stress of living. Studies show that adults who sleep less than 6 hours a night, night after night, have more heart problems and die __15__ than adults who sleep 7 to 8 hours __16__ night.
How much sleep do you need? It depends in part __17__ your age. Babies often snooze for __18__the day. __19__ they're 10 years old, kids need __20__ of 10 hours a night, says. 1．A. belief B. command C. decision D. choice 2．A. permission B. strength C. power D. energy 3．A. Recently B. Daily C. Lately D. Recent 4．A. stay up B. have a good time C. have a good sleep D. enjoy themselves 5．A. could B. should C. might D. would 6．A. which B. / C. who D. whose 7．A. for B. by C. to D. with 8．A. to be cranky B. be cranky C. cranky D. being cranky 9．A. having a good time B. sleeping C. growing D. learning 10．A. sleep B. sleepy
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C. sleeping D. sleepless 11．A. grow B. grown C. grew D. growing 12．A. start B. have started C. have been starting D. are starting 13．A. do B. did C. have done D. had done 14．A. recover B. refresh C. relieve D. reward 15．A. easier B. later C. more quickly D. sooner 16．A. the B. a C. an D. / 17．A. in B. on C. at D. for 18．A. all B. half of C. most of D. / 19．A. At the time B. During the time C. Facing the time D. By the time 20．A. an average B. average C. averages D. a average 答案与解析
1．C 从上文看，孩子长大了习惯了熬夜，而不是父母所做出的决定，所以用decision。 2．A 你可以熬夜是你自身的许可(permission)；而不是身体所给予的力气，能力或精力。 3．D recent在这里作形容词，修饰research，与后面第二段中的 ... says a recent study中的recent相对应，所以选择D项。
4．A 从文章第一段的第一句话可以看出，文章说的是孩子们熬夜的事情，所以选A项。 5．B 科学家们说，你可以熬夜，但并不是说“应该”熬夜。 6．C who引导定语从句，修饰先行词young people。
7．B 这个研究是由后面的这个机构做的，是被动关系，所以用by。 8．A tend to do sth.“倾向于干某事”， cranky“古怪的”。
9．D “If you're sleeping in school, you're not learning ...”你在上课时睡觉，你就不能学习。 10．A 睡眠研究专家，是一个专有名词，在这里用sleep，应该是名词，作定语表示功效。 11．D 缺少睡眠是一个越来越严重的问题，用v.-ing形式来表示这个问题一直在加剧。
12．C 从后面的in recent decades可以看出，开学早是最近几十年里一直延续存在的事，所以要用现在完成进行时。
13．B 在这里用do来代替前面的sleep，又因为时间状语是a few generations ago，所以要用一般过去时。
14．A 词义辨析。recover from ...“从……恢复常态”； refresh“使凉爽”； relieve“减轻”； reward“回报”。
15．D 研究表明，经常熬夜的人容易患心脏病，比正常人死得早，不是快(quickly)，而是sooner。
16．B 考查冠词的用法。用a表示泛指，是指“成人一个晚上睡觉七、八个小时”。 17．B depend on“依赖于”固定搭配。
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18．C 婴儿差不多一整天都在睡觉，但不是全天，所以要用most of the day。 19．D by the time“到……的时候”； at the time“在……时候”； during the time“在……期间”。 20．A an average of“平均”。 Ⅳ.阅读理解
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3 4 Laura
The smile is in the eyes. This is a sensitive person, and a loyal friend. This sort of person thinks before they speak and is a good listener. They don't like to be the center of attention of a crowd. Peter
This type of person is very sure of themselves. They like a good argument. They usually win. They're hard-working and very ambitious. And they can be quite bossy (爱指挥人的)．
Lucy
This is the smile of a joker. The raised eyebrows and dimples (酒窝) in the cheeks show a good sense of humor and a warm personality. This sort of person is often a bit of a rebel — they have little respect for authority. Bill
The wide, toothy smile shows that this person is easy-going and friendly. They enjoy being in a
crowd and are good fun to go out with. They are always looking for the next party. This is a smile that says, “I know it all.”
1．Which of the following matches the pictures and the descriptions correctly? A. Picture 1 — Laura; Picture 2 — Peter; Picture 3 — Lucy; Picture 4 — Bill B. Picture 1 — Lucy; Picture 2 — Peter; Picture 3 — Laura; Picture 4 — Bill C. Picture 1 — Laura; Picture 2 — Bill; Picture 3 — Lucy; Picture 4 — Peter D. Picture 1 — Lucy; Picture 2 — Bill; Picture 3 — Laura; Picture 4 — Peter
答案与解析 D 细节理解题。根据对四个人的描述，再对照照片，可以找到以下关键点：由“the smile of a joker, raised eyebrows and dimples”可知，第一幅图片对应Lucy; 由“toothy
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smile”可知，第二幅图片对应Bill。故选D项。
2．What does the underlined word “rebel” (in Paragraph 3) mean? A. Someone who tends to refuse to do what they are told to. B. Someone who respects people in power.
C. Someone who always tells other people what to do. D. Someone who always follows what other people do.
答案与解析 A 词义猜测题。由此词后的一句“they have little respect for authority”可知，这种人桀骜不驯，不惧权威，故可推知rebel此处意为“具有反叛思想的人”。 3．Who are most likely to have a quarrel when living and working together? A. Lucy and Laura. B. Bill and Peter. C. Lucy and Peter. D. Laura and Bill.
答案与解析 C 推理判断题。根据Lucy的性格a bit of a rebel及Peter的性格like a good argument可知，Lucy和Peter是最容易与别人发生争吵的人。
4．If you often get nervous around people or fear public speaking, who can help you most probably? A. Laura. B. Peter. C. Lucy. D. Bill.
答案与解析 D 推理判断题。如果你想改变害羞内向的性格，一个外向的朋友更有可能帮助你活跃起来。根据Bill的性格特点easy-going, friendly, enjoy being in a crowd等可知，Bill
是最适合的人选。
5．What is the best title for the passage? A. What's in a Smile? B. What's in a Character? C. Who's Who? D. What's What?
答案与解析 A 主旨大意题。四幅照片以及对四个人的描述都是从笑容的角度分析的，故A项最能概括主题。
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