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【单选题】
差速器的作用是既将主减速器传来的动力传给左、右两半轴,又能使两侧驱动轮以不同转速转动,以满足转弯等情况下内外驱动轮要以不同转速转动的需要,当汽车向左转弯时,左侧车轮旋转速度()于右侧车轮旋转速度。A.
低
B.
高
C.
相等
D.
都可能
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【简答题】Here are the table tennis players , some____ ____are our old friends.(介词加关系词)
【简答题】Some tennis players enjoy doing different things off the ( ) .
【简答题】Here are the table tennis players, some __ _____ are our old friends.
【单选题】听力原文： Tennis is an international sport and each year there is a regular program of tournaments and championships. Players' performance in these events determines their seeding, or world ranking. If yo...
A.
The Hopman Cup.
B.
The Masters Series.
C.
The Wimbledon Championships.
D.
The ATP Tour.
【单选题】Some tennis players enjoy doing different things off the _________.
A.
champion
B.
tennis
C.
court
D.
fans
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