Carefulstudieshavepointedoutthatas

发布时间：2020-07-27 05:13:52

Careful studies have pointed out that as many as 50 percent patients do not take drugs as ________．A.directedB.expectedC.announcedD.followed

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A解析句意：详细的研究表明多达百分之五十的病人不按医嘱服药。as directed是“as they are directed”的省略语。
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