【单选题】对滚动轴承进行密封,不能起到( )作用。
【单选题】对滚动轴承进行密封,不能起到( )的作用。
【单选题】When the man told them the times of meals at the hotel, Mrs. Smith felt ______.
【单选题】His decision to cancel the concert is bound to ()his fans.
【单选题】对滚动轴承进行密封,不能起到( )作用。
【单选题】When I was seeing the _____ article, I was very _____ . [ ]
【单选题】The purpose of the author's criticism is to point out ______.
A.
conducted tour is disappointing
B.
the way of touring should be changed
C.
when traveling, you notice characteristics which confirm preconception
D.
national stereotypes should be changed
【单选题】对滚动轴承密封不能起 _____________ 作用。