Oxygen and nutrients reach the body’s tissues ______ from the blood through the

游客2025-02-09 21

问题 Oxygen and nutrients reach the body’s tissues ______ from the blood through the capillary wall.

选项 A、pass
B、by passing
C、to be passing
D、have passed

答案 B

解析

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Oxygenandnutrientsreachthebody’stissues______fromthebloodthroughthe