早晨,我背对太阳,面向西方.______(判断对错)
早晨起来,我背对太阳,前边是西方;
故答案为:√.
— ______ I play computer games now, Mum?
— Sorry, dear. You ______ finish your homework first. [ ]
A. Can; can
B. Can; must
C. Must; can
D. Must; must
工字钢I16数字表示哪一项()
A.工字钢截面高度160mm
B.工字钢截面高度16mm
C.工字钢截面宽度16mm
D.工字钢截面宽度160mm