【单选题】—Jane ,can you play_______ erhu . This is ______ useful book on erhu .
【单选题】-I remember you were a talented pianist at college. Can you play the piano for me? - Sorry, I the piano for years.
【简答题】阶梯轴的直径应该是 、 ,以便于轴上零件的加工。
【多选题】以下说法正确的是( )。
A.
阶梯轴的直径应该是中间大、两端小,以便于轴上零件的装拆。
B.
滚动轴承轴向定位的轴肩直径应大于轴承内圈的外径。
C.
同一轴上所有圆角的半径和倒角的大小不用尽可能一致。
D.
轴上沿轴线方向开有几个键槽时,应将它们安排在同一素线上,且槽宽尽可能统一。
【单选题】Jane can play _____ piano, but she can't play _____ basketball. [ ]
【单选题】—What can Jane do? —She can play chess and also violin.
【简答题】连词成句。 1. thinks he actor the is best this ________________________________________ 2. the can play you piano ________________________________________ 3. too the is radio quiet __________...
【单选题】---Jane , can you play tennis with me now ? --- . I have to study for test.
【单选题】当我们将哥白尼、马克思和弗洛伊德放在一起讨论时,介绍了各自的基本观点,下面的哪一个说法,是不搭界的?( )
A.
人以为自己是宇宙的中心,实际上连人所栖息的地球都不是太阳系的中心
C.
人类的生活资料的生产和分配,是人一切行动的基础
【简答题】完形填空。 Jane and John 1 sister and brother. They like music. Jane can play the piano. But she 2 play the violin. John can't play the piano. But he 3 play the violin. Today they 4 to carry a piano to 5 b...