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【单选题】
槽轮机构的主动件在工作中是作是( )运动。
A.
往复摆动
B.
直线往复
C.
等速旋转
D.
加速旋转
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A.
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B.
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C.
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D.
give a speech
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【判断题】遵义会议取消了李德、博古的最高军事指挥权
A.
正确
B.
错误
【简答题】信用关系中,信用的暂时性特征是以( )为先决条件。
【单选题】Jimmy earns his living by _______works of art in the museum.
A.
recovering
B.
restoring
C.
renewing
D.
reviving
【判断题】遵义会议取消了李德的军事最高指挥权
A.
正确
B.
错误
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