Warm­blooded animals live an active life even in freezing winter，which helps them to

发布时间：2020-08-16 16:51:42

Warm­blooded animals live an active life even in freezing winter，which helps them to      their normal body temperature.
A. keep up
B. build up
C. bring up
D. pick up

网友回答

(答案→)A. keep up
B. build up
C. bring up
D. pick up
解析：短语辨析。A. 保持；继续 B.增进  C.提出；教育    D.捡起。句意：温血动物甚至在寒冷的冬天也能生活的很活跃，这就保持了他们正常的体温。故选A。
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