Last night, the president presented a shorter, _______ version of his speech.
A. crouched
B. charged
C. longer
D. simplified
查看答案
It must _______ his personality and style.
A. be compatible with
B. go through
C. hang up
D. flood into
导轨连接板螺栓孔的数目一般不少于()个。
A. 4
B. 8
C. 12
D. 16
一般情况下,每段电梯导轨至少有( )个导轨支架。
A. 1
B. 2
C. 3
D. 4
相邻的电梯导轨支架间距不能大于2.2米。
A. 对
B. 错