2. 外语
  3. SARS, which had affected millions of people throughout the world,______doctors and public health workers at first.

SARS, which had affected millions of people throughout the world,______doctors and public health workers at first.

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问题 SARS, which had affected millions of people throughout the world,______doctors and public health workers at first.
选项 A、complexed
B、duplexed
C、triplexed
D、perplexed
答案D
解析 动词形似义异辨析。perplex意为“使困惑，使茫然，使费解”，相当于bewilder，puzzle，confuse，如：The question perplexed him．这个问题困扰着。complex表示“把……复杂化”；duplex意为“使成双”；triplex一般作形容词用，表示“三倍的，三重的”，如：a triplex window三层窗。
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