2. 职称英语
  3. Tests have proved that caffeine affects the body by increasing the heart rate an

Tests have proved that caffeine affects the body by increasing the heart rate an

游客2024-10-12  27
问题 Tests have proved that caffeine affects the body by increasing the heart rate and rhythm, which ______affects the circulatory system.
选项 A、in turn
B、in return
C、turn back
D、as a result
答案 A
解析 考查词组辨析。本题首先可排除动词短语turn back“往回走，折返”；而in return表示“作为回报”，用在这里也不对；as a result意为“结果”，句中并没有原因出现，所以不合适。本题谈论咖啡因使心率加快，而心率由加快影响循环系统，in turn表示“又(对别人)做同样的事”，所以为正确答案。又如：He found that Rose had told. Jack’s sister, and she in turn had told Jack. (他发现罗斯已经告诉了杰克的姐姐，而她又告诉了杰克。)
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