The 19 th century physiology was dominated by the study of the transformations of food energy into body mass and activity.

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问题 The 19 th century physiology was dominated by the study of the transformations of food energy into body mass and activity.

选项 A、boosted
B、governed
C、clarified
D、pioneered

答案B

解析 句意:19世纪的生理学主要是研究把食物的能量转换成体重和活动。govern统治。boost增加。clarify阐明。 pioneer先锋。
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