H1N1 control and prevention is a to China as well as the whole world. A.surpri
题型:不详难度:来源:
H1N1 control and prevention is a to China as well as the whole world. A.surprise | B.challenge | C.reaction | D.threat |
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答案
B |
解析
本题考查名词辨析。句意:H1N1的预防与控制对中国以及整个世界来说都是一种难题。challenge 挑战;艰巨的事;threat to对…威胁,surprise to出乎…的意外, reaction to 对…的反应。 |
举一反三
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