旋喷地基的质量检验，可采用( )、标准贯入试验、载荷试验及开挖检查等方法。
A．抽测 B．气检 C．晾燥 D．取芯
参考答案：D
She wanted to know ________ [ ]
A. why didn't I think it was a good idea
B. why I didn't think it was a good idea
C. why I thought it wasn't a good idea
D. why did I think it wasn't a good idea
吊装构件当选用一个吊点起吊时，吊点必须选择在（）以上。
A.中心
B.重心
C.中间
