创建单线图时可通过哪个组合键创建一个空白的全新一次单线图()
A.Ctrl+P
B.Ctrl+N
C.Ctrl+S
参考答案:B
---- Did you visit the Big Ben in London?
---- No, we ______ it, but we spent too much time shopping.
A.could visit
B.could have visited
C.must ahave visited it
D.can have visited
某黏性土样做不同围压的常规三轴压缩试验,试验结果摩尔包线前段弯曲,后段基本水平,这应是下列( )的试验结果。
A.饱和正常固结土的不固结不排水试验
B.未完全饱和土的不固结不排水试验
C.超固结饱和土的固结不排水试验
D.超固结土的固结排水试验