坝体应变观测是为了计算出坝体的实际（）。
A.应力
B.变形
C.位移
D.压力
参考答案：A
Will you please show us a larger room? This one isn't _____ for ten people. [ ]
A. enough small
B. small enough
C. enough big
D. big enough
下列实验操作或事实与预期实验目的或所得结论一致的是
A.A
B.B
C.C
D.D
