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

Careful surveys have indicated that as many as 50 percent of patients do not tak

游客2023-11-18  9
问题 Careful surveys have indicated that as many as 50 percent of patients do not take drugs ______ directed.
选项 A、like
B、so
C、which
D、as
答案 D
解析 题型：词汇题。连接词as的意思是“按照，以……的方式”。like意为“像……一样”，  作连接词时用来表示两事物之间的比较。so作连词时意为“因此，所以”，它引起的分句表示前句的结果，而so后面接分词时，它不是连词而是副词：which一般引导定语从句，而~．which后面不直接跟分词，故A，B和C错误，而D正确。
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