2. 职称英语
  3. Careful surveys have indicated that as many as 50 percent of patient do not take

Careful surveys have indicated that as many as 50 percent of patient do not take

游客2023-11-11  32
问题 Careful surveys have indicated that as many as 50 percent of patient do not take drugs ______directed.
选项 A、what
B、so
C、which
D、as
答案 D
解析 根据语法结构，空格处需用一个能引导方式状语的连词，因主从句中的主语一致，故从句中省略了主语和be动词，而在四个选项中可以引导方式状语从句的只有[D]。
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