【单选题】To get an education, _______.
A.
working hard is very importan
B.
working hard is needed
D.
it is needed to work hard
【判断题】不同结构体系的建筑物同一种构件的抗震构造措施一般也相同。
【多选题】机床夹具的作用
A.
保有更好的加工精度,稳定整批零件的加工质量。
【单选题】To get an education ,_________.
B.
working hard is needed
C.
what you need is to work hard
D.
what one needs is to work hard