(单选题) Trees are useful to man mainly in three ways,the most important of which is that they can ( )(本题1.5分) A、 keep him from the hot sunshine B、 enable him to build warships C、 make him draw quick profit from them D、 protect him from droughts and floods

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(单选题) Trees are useful to man mainly in three ways,the most important of which is that they can ( )(本题1.5分)

A、 keep him from the hot sunshine
B、 enable him to build warships
C、 make him draw quick profit from them
D、 protect him from droughts and floods

参考答案

随机试卷

陇东学院建筑力学（高起专）