A:y=x中x≥0
B:y=log2x中x>0
C:y=x3中x∈R
D:y=1x中x≠0
故选C
—Shenzhen is really a good place. I have a good time here.
—Why not stay here for________two days?
A.other
B.others
C.another
D.the other
大车滑线端的端梁下应设置防护板。