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  3. Careful surveys have indicated that asmany as 50 percent of patients do not t...

Careful surveys have indicated that asmany as 50 percent of patients do not t...

admin2020-12-24  42
问题 Careful surveys have indicated that asmany as 50 percent of patients do not take drugs directed.
选项 A.like     
B.so      
C.which   
D.as
答案D
解析考查as引导方式状语从句。在as引导的方式状语从句中，尤其含有be时，常常会省略一部分，而保留其主要成分，如分词或形容词。句中“take drugsas directed”为“take drugs as they are directed”的省略形式。句意为“详细调查表明，多达百分之五十的病人没有按照医嘱服药”。
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