基桩按受力情况可分为()
A.摩擦桩;
B.灌注桩;
C.端承桩;
D.打入桩;
E.摩擦端承桩;
参考答案:A, C, E
Let me______ a look at your new clothes. [ ]
A. have
B. to have
C. having
D. bring
世界上,关于勾股定理的证明方法大约有()多种。
A.100
B.200
C.300
D.400