光纤具有()等特点。
A、重量轻
B、传输速率高
C、误码率底
D、不受电磁干扰
E、保密性好
参考答案:A, B, C, D, E
She used to late, but now she is used to early in the morning. [ ]
A. get up; get up
B. getting up; get up
C. get up; getting up
D. getting up; getting up
以下哪种施工方法是属于柱列式地下连续墙()。
A.连续挖槽分段灌注成墙法
B.钻孔桩连接成墙法
C.分段挖槽灌注成墙法