题目内容

房间框架的建立,有(画出房间线框)(___)(___)(分离地面和顶面)(给地面附材质)。

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首次窗帘房间框架模型以后,需要把模型坐标归零。

A. 对
B. 错

Although he couldn’t ____ my success, he_____ me that he would give whatever help I needed.

A. be ensured, assured
B. assured, ensured
C. assure, ensured
D. ensure, assured

The situation _____ immediate action.

A. calls up
B. calls for
C. calls over
D. calls out

Scientists hope they can _______ in cloning.

A. make a breakthrough
B. make a fuss
C. make a backbreaking
D. make a faith

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