【題目】閱讀下面短文，用括號(hào)內(nèi)所給詞的適當(dāng)形式填空，必要時(shí)可加助動(dòng)詞或情態(tài)動(dòng)詞。

People spend almost a third of their lives doing one thing—sleeping. Every year, there is a day for people around the world to celebrate the【1】 (important) of good and healthy sleep—World Sleep Day.

Sleep is like food for the brain. Healthy sleep helps the body and brain grow and develop. People of different ages need different amounts of sleep. It is said that eight hours per night【2】 (consider) the average amount of sleep. For students aged 10 to 17, a healthy amount is about eight to nine hours per night. However, last year, the China Youth and Children Research Center 【3】 (report) that about four【4】 (five) of middle school students didn’t get enough sleep. For some students, they want to sleep early, but they keep 【5】 (worry) about their schoolwork and can’t fall 【6】 (sleep) quickly. A lack (缺乏) of sleep can greatly affect (影響) a person’s life. Students who don’t get enough sleep may get poor grades. They cannot pay attention in class or do well in sports.

【7】 (solve) this kind of problem, scientists advise that students should have

【8】 (little) schoolwork and more time to sleep. There are some other ways to help people get enough sleep, such as 【9】 (take) a 20-minute nap (午睡) during the day, trying to go to sleep earlier and so on . Good sleeping habits are also 【10】 (help). For example, try to go to sleep and wake up at the same time every day, even on weekends and during the day.

【答案】

【1】importance

【2】is considered

【3】reported

【4】fifths

【5】worrying/worried

【6】asleep

【7】To solve

【8】less

【9】taking

【10】helpful

【解析】

文章大意：本文是一篇與睡眠有關(guān)的短文，講述了睡眠與健康的關(guān)系，不同年齡的人需要不同的睡眠時(shí)間，中國青少年學(xué)生的睡眠現(xiàn)狀以及解決措施等。

【1】句意：每年，世界各地都有一個(gè)節(jié)日來慶祝良好健康睡眠的重要性——世界睡眠日。由前面的定冠詞the，可知此處應(yīng)填入一個(gè)名詞，important是形容詞“重要的”，與其對應(yīng)的名詞是importance“重要”，故答案填importance。

【2】句意：據(jù)說每晚8小時(shí)的睡眠時(shí)間被認(rèn)為是平均睡眠時(shí)間。由題干可知主語eight hours與動(dòng)詞consider之間存在被動(dòng)關(guān)系，所以應(yīng)用被動(dòng)語態(tài)，文章時(shí)態(tài)為一般現(xiàn)在時(shí)，時(shí)間作主語謂語動(dòng)詞用單數(shù)，所以be動(dòng)詞用is，consider的過去分詞是considered，故答案填is considered。

【3】句意：然而，去年中國青少年研究中心報(bào)道。由last year可知，動(dòng)詞時(shí)態(tài)用一般過去時(shí)，report的過去式為reported，故答案填reported。

【4】句意：大約五分之四的中學(xué)生睡眠不足。這里考查分?jǐn)?shù)的表達(dá)方法，在英語中一般用基數(shù)詞表示分?jǐn)?shù)的分子，用序數(shù)詞表示分?jǐn)?shù)的分母；當(dāng)分子大于1時(shí)，分母要用復(fù)數(shù)形式，所以五分之四的正確書寫是four fifths，故答案填fifths。

【5】句意：對于一些學(xué)生來說，他們想早點(diǎn)睡覺，但是他們總是擔(dān)心他們的學(xué)業(yè)。keep doing sth.或者keep+形容詞，都表示“使…處于某種狀態(tài)”，故答案填worrying/worried。

【6】句意：他們不能很快入睡。聯(lián)系上文語境，結(jié)合提示詞可知此處句意為“他們不能很快入睡�！薄叭胨�fall asleep，固定詞組，前面有情態(tài)動(dòng)詞can’t，所以這里用動(dòng)詞原形，故答案填asleep。

【7】句意：為了解決這類問題。根據(jù)__7__ (solve) this kind of problem, scientists advise that students should …可知這里應(yīng)用動(dòng)詞不定式表示目的，故答案填To solve。

【8】句意：科學(xué)家建議學(xué)生應(yīng)該少做功課，多睡覺。根據(jù)后面的more time to sleep可知此處應(yīng)表達(dá)的是“作更少的功課”，句中暗含比較級(jí)，little的比較級(jí)為less，故答案填less。

【9】句意：比如白天小睡20分鐘。such as意思是“比如”，as是介詞后接動(dòng)詞ing形式，故答案填taking。

【10】句意：良好的睡眠習(xí)慣也很有幫助。前面有系動(dòng)詞are，后接形容詞作表語，help“幫助”，動(dòng)詞，與其對應(yīng)的形容詞是helpful“有幫助的、有益的”，故答案填helpful。

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