男西裤门、里襟要求()。
A.门襟短于里襟
B.门襟不短于里襟
C.长短互差不大于0.6cm
D.面、里平服、衬可不平服
参考答案:B
下列物质中属于纯净物的是( )
A.糖水
B.自来水
C.氧气
D.鲜橙多饮料
___ took them quite some time to finish the job.
A.They
B.This
C.It
D.That