门窗扇的安装留缝宽度,门窗扇对口处允许缝隙为()mm。
A、2
B、3
C、1
D、4
参考答案:A
----You should have a part-time job.
----I don’t _____you,Mum,I am too young to do that.
A.look out for
B.catch up with
C.get along with
D.agree with
看采掘工程设计图时,沿倾斜方向开掘的向导,可根据于它两端相连的(),判断巷道是石门还是上下山。
A.标高
B.长短
C.走向
D.倾角