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

游客2024-10-31  1

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 the long run
B、in turn
C、in return
D、as a result

答案 B

解析 这是一道近形词组的辨析题,in turn表示“反过来”;in the long run,“从长远观点看”:as a result意为“结果”: in return意为“作为回报”。本句讲的是咖啡因使心率加快,而心率加快又会影响循环系统疾病,谈论“心率和循环系统疾病的关系及相互作用”,不仅仅是结果,所以B是最佳选择。
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