There ought to be less anxiety over the perceived risk of getting SARS that ______in the public mind today.

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问题 There ought to be less anxiety over the perceived risk of getting SARS that ______in the public mind today.

选项 A、exists
B、exist
C、existing
D、existed

答案A

解析 本题综合考查动词与时态和主语的一致。本句的空白处在定语从句中,所以根据从句中的时间状语today可知谓语动词应该用一般现在时,另外由于从句中的主语先行词指代risk,所以谓语要用单数。题意为,今天存在于公众心中,关于感染非典型性肺炎的那种可感受到的焦虑,应该是更少了。
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