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【单选题】
当铰制螺栓组连接承受横向载荷或旋转力矩时,该螺栓组中的螺栓 。A.
必受剪切力作用
B.
必受拉力作用
C.
同时受到剪切与拉伸
D.
既可能受剪切，也可能受挤压作用
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反馈参考答案：
举一反三
【单选题】Bill Gates will leave only a small portion of his wealth for his children.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】“配送也称为’小物流’”，请大家结合所学知识，谈一谈对这句话的理解。
【单选题】His _________ estimated at fifty million dollars.
A.
wealth is
B.
wealths is
C.
wealth are
D.
wealths are
【简答题】His wealth enables him to do everything.
【简答题】Although the traditionalist may have good intuitions about his language, his grammar only enables him to make invulnerable statements about language.
【单选题】His wealth enabled him to ______ his passionate interest in art.
A.
devote
B.
engage
C.
pursue
D.
register
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