题目内容

My work_______, I went home .

A. had been done
B. done
C. having done
D. to be done

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He must have gone out.I heard the noise of the door_______when I was still in bed.

A. being locked
B. to lock
C. locking
D. having locked

可直接用作路堤填料的是（ ).

A. 粉质土
B. 膨胀岩石
C. 电石渣
D. 石质土

土质路堤填筑时，当路堤基底的横坡坡度大于（ )时，基底坡面应挖成台阶。

A. 1∶5
B. 1:10
C. 1∶0.5
D. 1:1.5

新建公路路基的干湿类型可用（）来判别。

A. 分界稠度
B. 分界相对含水率
C. 路基临界高度
D. 路槽底80cm的平均含水率