You can ______ your muscles more powerfully by linking up your breathing to the exercise.

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问题 You can ______ your muscles more powerfully by linking up your breathing to the exercise.

选项 A、condense
B、compress
C、contract
D、shrink

答案C

解析 通过锻炼时呼吸的有效结合,可以使你的肌肉收缩的更加有力。A condense“浓缩,提炼,精简”,指增加某物密度或浓度,使之变小,也指把一本书、一篇文章等不重要的部分去掉,但保持原有本质,例如:He managed to condense his letter of applicationto one page.他设法将他的申请函浓缩成一页。B.compress"压缩",指被压缩的东西仍保持原来的整体,但体积变小了,强调通过外力的挤压使之变小或形成某种形态、状态,例如:They managed to compress the cotton into bales.他们设法把棉花挤压成捆。C.contract"收缩",是通过自身的、内部的力量做出来的,主要指以内、外部力量进行紧缩,常指肌肉收缩(如本题),例如:How do muscles contract?肌肉是如何收缩的? D.shrink侧重指因收缩而达不到原有的长度、体积或容积,例如:Will it shrink if I wash it?要是我用水洗,它会缩水吗?
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