【題目】Not only is sleep necessary for your body, it’s important for your brain, too.______kids between 13 and 20 get about 8 hours a night,______experts agree that some kids need more than others. When your body doesn’t have enough hours to______, you may feel______or crazy, or you may be unable to think clearly. You______have a hard time following directions, or you might have an argument with a friend over______really silly. A school task that’s normally easy may feel______, or you may feel it hard to play your favorite sport or instrument.

One more reason to get enough sleep: If you don’t, you may not grow______. That’s right. Researchers believe too little sleep can______growth and your immune system(免疫系統(tǒng)), which______you from getting sick.

1A. Many B. Most C. Some D. Any

2A. but B. and C. so D. or

3A. work B. job C. rest D. food

4A. happy B. excited C. tired D. relaxed

5A. must B. will C. can D. might

6A. things B. something C. everything D. somebody

7A. worried B. surprised C. impossible D. possible

8A. as well B. too fast C. all along D. by yourself

9A. change B. realize C. affect D. increase

10A. helps B. teaches C. tells D. keeps

【答案】

1B

2A

3C

4C

5D

6B

7C

8A

9C

10D

【解析】

短文大意:本文是科普文,關(guān)注的是睡眠健康,分析了睡眠不足的原因,指出了充足睡眠的好處。

1句意:大多數(shù)1320歲的孩子每晚睡8個(gè)小時(shí)。考查形容詞辨析題。A. Many許多的,指數(shù)量;B. Most大多數(shù)的,強(qiáng)調(diào)普遍性;C. Some一些,用于肯定句和希望得到肯定回答的疑問句;D. Any一些,與不可數(shù)或復(fù)數(shù)名詞連用,用于否定句和疑問句,也用于ifwhether之后。本句說的是普遍情況,根據(jù)句意語境,可知選B。

2句意:但專家們一致認(rèn)為,有些孩子比其他孩子更需要睡眠?疾檫B詞辨析題。本句和前一句是轉(zhuǎn)折關(guān)系,but(但是)表轉(zhuǎn)折;根據(jù)句意結(jié)構(gòu)和語境,可知選A。

3句意:當(dāng)你的身體沒有足夠的時(shí)間休息時(shí),你可能會(huì)感到疲倦或瘋狂,或者你可能無法清晰地思考?疾閯(dòng)詞辨析題。本句不定式做補(bǔ)語,jobfood都是名詞,可排除BD兩項(xiàng)。根據(jù)句意語境,可知work不合句意,rest休息,故選C。

4句意:當(dāng)你的身體沒有足夠的時(shí)間休息時(shí),你可能會(huì)感到疲倦或瘋狂,或者你可能無法清晰地思考。考查形容詞辨析題。A. happy高興的;B. excited興奮的;C. tired疲倦的;D. relaxed放松的。根據(jù)上文your body doesn’t have enough hours to rest和下文or you may be unable to think clearly.,可知很累,tired符合句意,故選C。

5句意:你可能很難按照指示去做。考查情態(tài)動(dòng)詞辨析題。本句和下一句是并列關(guān)系,時(shí)態(tài)結(jié)構(gòu)相同;根據(jù)下文or you might have an argument with a friend over something really silly.,可知might(可能)表推測,故選D。

6句意:或者你可能會(huì)因?yàn)橐恍┓浅S薮赖氖虑楹团笥殉臣堋?疾椴欢ù~辨析題。A. things東西;B. something某物/某事,指不確定;C. everything 每件事物;D. somebody某人,有人根據(jù)句意語境,可知ACD三個(gè)選項(xiàng)意思都與句意不符,故選B。

7句意:一項(xiàng)通常很容易的學(xué)校任務(wù)可能會(huì)讓你覺得不可能完成。考查形容詞辨析題。A. worried擔(dān)心的;B. surprised驚奇的;C. impossible不可能的;D. possible可能的。本句和下一句是并列關(guān)系,意義相近;根據(jù)下文or you may feel it hard to play your favorite sport or instrument.,可知ABD三項(xiàng)意思都與句意不合,故選C。

8句意:如果你睡眠不充足,你可能也不會(huì)長高。考查副詞短語辨析題。A. as well也;B. too fast太快;C. all along從來;D. by yourself獨(dú)立地。根據(jù)句意語境,可知后面三項(xiàng)意思都與句意不合,故選A。

9句意:研究人員認(rèn)為睡眠太少會(huì)影響生長和你的免疫系統(tǒng)考查動(dòng)詞辨析題。A. change改變;B. realize實(shí)現(xiàn);C. affect影響;D. increase增強(qiáng)根據(jù)句意語境,可知affect符合句意,故選C。

10句意:研究人員認(rèn)為,睡眠太少會(huì)影響生長和免疫系統(tǒng),從而使你免于生病。考查動(dòng)詞辨析題。keep from doing使防止做…,固定短語;根據(jù)句意語境,可知選D。

完形填空,它集閱讀理解、語法、詞法、句法于一體,是難度最大的題,重點(diǎn)考查語言綜合運(yùn)用的能力。解題的方法第一要帶著空,通讀文章,搞清事件發(fā)生的背景。緊緊抓住上下文語境所提供的信息,充分利用各種線索,語法知識(shí),以及句子之間的關(guān)系,詞的搭配,結(jié)合上下文背景語境,結(jié)合句意選擇適合語境的選項(xiàng)。

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