There is no doubt smoking can seriously damage our health.A. thatB. whetherC. whyD. which

发布时间：2020-08-16 15:44:28

There is no doubt      smoking can seriously damage our health.
A. that
B. whether
C. why
D. which

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(答案→)A. that
B. whether
C. why
D. which
解析：考查There is no doubt that…结构。Doubt作名词时，用在否定句中，后面跟that引导的同位语从句。所以选A。
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