题目内容
17.Warm blooded animals live an active life even in freezing winter,which helps them to ______ their normal body temperature.( )A. | keep up | B. | build up | C. | bring up | D. | pick up |
分析 温血动物甚至在寒冷的冬天也能生活得很活跃,这帮助他们保持了他们正常的体温.
解答 答案:A 考查动词短语.keep up保持;继续;build up增进;bring up提出;教育;pick up捡起.根据句意,A项正确.
点评 考查动词短语词义辨析.弄清楚各个短语的词义,然后,准确地翻译句子,根据题意选择最符合题意的选项.
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