成人英语三级

单选题Stressful environments lead to unhealthy behaviors such as poor eating habits, which__________ increase the risk of heart disease．

A．in turn
B．in return
C．by chance
D．by turns

参考答案：A进入在线模考
【参考译文】 紧张的环境会导致诸如不良的饮食习惯等不健康行为，而后者又会增加患心脏病的危险。
【答案解析】本题考查词组辨析。in turn，转而，依次，而又；in return，作为报答；by chance(=by accident)，偶然地，无意中；by turns，轮流地，依次。根据句意应选in turn。

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