题目内容
19.The Gulf of Mexico(墨西哥湾) is being polluted seriously.That has affected _________ several hundred kinds of sea animals there.( )| A. | at least | B. | at once | C. | at birth | D. | at times |
分析 墨西哥湾被污染得很严重,这至少已经影响了数百种海洋生物.
解答 答案:A 根据"is being polluted seriously"(被严重污染)和"several hundred kinds of sea animals there"(几百种海洋生物),可知几百种海洋生物只是被影响的一部分.at least至少;at once立刻马上;at birth在出生时;at times有时.故选A.
点评 本题要根据句意,结合我们的说话习惯来判断正确的含义.
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