【題目】Teenagers live very busy lives now and often forget to think about their diets and exercise. The truth is, healthy eating along with regular(有規(guī)律的) exercise is the only way to k 【1】 fit.

During your teenage years, it is important to give your body the energy it needs. Teenage

g 【2】 need about 2,200 calories（卡路里）a day and boys need a little m 【3】 -- doctors suggest 2,800 for teenage boys. 50% of your calories should come f 【4】 rice, bread, vegetables and fruit. You also need to drink a lot of water, 6 to 8 glasses a day. Drinking e 【5】 water will improve your skin and give you healthy hair.

E 【6】 is something that can help to make you look good, feel good and be healthy. Experts（專家）suggest that teenagers spend at l 【7】 30 minutes exercising, five times a week.

W 【8】 you exercise, your body produces（產(chǎn)生）something that m 【9】 you feel relaxed. It can even help you s 【10】 better at night and let you pay more attention（注意）when you study.

【答案】

【1】keep

【2】girls

【3】more

【4】from

【5】enough

【6】Exercising/Exercise

【7】least

【8】when/while

【9】makes

【10】sleep

【解析】

試題分析：短文大意：本文主要介紹了飲食和鍛煉對(duì)人體健康的重要作用，并分別就飲食和鍛煉兩個(gè)方面進(jìn)行了具體的說(shuō)明和講解注意事項(xiàng)等。

【1】本句大意為：事實(shí)是，健康的飲食和經(jīng)常鍛煉是保持健康的唯一方法。保持健康的表述應(yīng)該是“keep fit”，故答案為keep。

【2】本句為一對(duì)比題型，后面說(shuō)的是男孩一天需要的卡路里數(shù)量，自然前面就應(yīng)該是女孩需要的營(yíng)養(yǎng)數(shù)量，故答案為girls。

【3】根據(jù)后面的男孩需要2800卡路里營(yíng)養(yǎng)，而前面說(shuō)女孩需要2200卡路里可知男孩比女孩需要的營(yíng)養(yǎng)數(shù)量要多，故答案為more。

【4】緊接上面的敘述，此處應(yīng)該是說(shuō)這些熱量有一半來(lái)自于大米、面包、蔬菜和水果。故描述的來(lái)源問(wèn)題，答案為from。

【5】前面說(shuō)你每天需要喝6-8杯水，自然。喝足夠的水能夠改善你的皮膚和發(fā)質(zhì)。故答案為enough。

【6】本段中重點(diǎn)描述的是鍛煉帶給人健康的好處，自然，鍛煉有助于你看起來(lái)和感覺(jué)更健康。故答案為Exercise/Exercising。

【7】根據(jù)本句的結(jié)構(gòu)可知，它重點(diǎn)是考查花費(fèi)時(shí)間做某事的用法，即spend time （in）doing sth，故答案為spend。

【8】體內(nèi)產(chǎn)生使人放松的因素是在鍛煉時(shí)出現(xiàn)的，故答案為When，注意句首單詞的首字母要大寫。

【9】鍛煉能使人感到全身輕松，根據(jù)所給的首字母可推測(cè)出故答案為relaxed。

【10】鍛煉有助于改善你晚上的睡眠和增加工作學(xué)習(xí)時(shí)的注意力，pay attention to意為“注意”，后面沒(méi)有賓語(yǔ)時(shí)要省略介詞to，故答案為attention。

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