Warmblooded animals live an active life even in freezing winter，which helps the
题型：不详难度：来源：
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 |
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答案
| A |
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。 |
举一反三
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