题目内容

混凝土井壁模块的空心率应不小于().

A. 40%
B. 45%
C. 50%
D. 55%

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()isimportantthatyouchooseclothesthatsuityourshape.

A. There
B. It
C. This
D. That

()isthetemperaturetoday?

A. What
B. How
C. Howmany
D. Howmuch

螺栓孔的垂直度公差是()。

A. 3°
B. 4°
C. 5°
D. 6°

下列选项哪个是发送广播的方法()

A. startBroadcast
B. startBroadcastReceiver
C. sendBroadcast
D. sendBroadcastReceiver

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