分析 本文是一篇科教類閱讀,屬于說明文,你知道嗎,你的身體重量的百分之六十是水呢?然而,在運(yùn)動(dòng)中脫水百分之二就會(huì)可以顯著影響你的鍛煉表現(xiàn),你出汗越多,鍛煉表現(xiàn)下降,除非你喝到足以取代液體的損失的水.本文以此展開,主要講述了運(yùn)動(dòng)中的脫水現(xiàn)象以及預(yù)防方法.
解答 32.答案:B.細(xì)節(jié)理解題.根據(jù)"However,a loss of only two percent of this water through dehydration(脫水)during exercise can significantly affect your performance."可知,脫水會(huì)影響運(yùn)動(dòng)時(shí)的表現(xiàn).故選B.
33.答案:C.細(xì)節(jié)理解題.根據(jù)"In fact,we only start to feel thirsty when we have already lost around two percent of our body weight."可知,運(yùn)動(dòng)時(shí)我們渴的反應(yīng)會(huì)變慢.故選C.
34.答案:B.細(xì)節(jié)理解題.根據(jù)"The key thing about fluids and exercise is to manage your intake properly-regular small amounts are better,and some should be drunk before the period of exercise begins."可知,運(yùn)動(dòng)時(shí)防止脫水的關(guān)鍵是適當(dāng)?shù)睾人蔬xB.
35.答案:C.主旨大意題.根據(jù)全文內(nèi)容可知,本文主要介紹了運(yùn)動(dòng)時(shí)脫水的現(xiàn)象及預(yù)防方法.故C符合文章內(nèi)容.故選C.
點(diǎn)評(píng) 本文是一篇科教類閱讀,題目涉及多道細(xì)節(jié)理解題,推理判斷題.做題時(shí)學(xué)生應(yīng)仔細(xì)閱讀原文,把握文章主要內(nèi)容,聯(lián)系文章上下文內(nèi)容并結(jié)合所給選項(xiàng)含義,從中選出正確答案,一定要做到有理有據(jù),切忌胡亂猜測(cè).
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