The 17 th century English physician William Harvey discovered the _______ of the

游客2023-09-05  31

问题 The 17 th century English physician William Harvey discovered the _______ of the blood.

选项 A、circulation
B、Circus
C、circumstance
D、circuit

答案 A

解析 形近易混词辨析。circulation意为“循环,流通”,如:stimulate the circulation of blood(促进血液循环);circus意为“马戏团,杂技团”;circumstance意为“环境,情况”,如:Maybe under these circumstances we may say that man can conquer nature.(也许在这样的情况下我们可以说人定胜天。)circuit意为“电路”,如:integrated circuit(集成电路)。根据题意,应选A)。
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