She was not normally invited to serve as a critic because she had a ______ toward _______.
A. desire. . .reading
B. bent. . .commonplace
C. proclivity. . .castigation
D. tendency. . .wayward
E. philosophy. . .everything
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The problem with scoring well on too many SAT practice tests is the tendency toward ______.
A. success
B. complacency
C. burn-out
D. supremacy
E. celerity
一般动力机械中,主要采用( )。
A. 平带传动
B. V带传动
C. 同步带传动
D. 多楔带传动
V带的传动形式是( )。
A. 开口式
B. 交叉式
C. 半交叉式
D. 开口式或交叉式
普通V带轮的材料是根据( )来选择的。
A. 传递功率
B. 小带轮包角
C. 初拉力
D. 带速