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【判断题】
齿轮传动的角速度之比是指主动齿轮转速与从动齿轮转速之比,恒等于其节圆半径的反比。A.
正确
B.
错误
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【简答题】Old age and senior alone do not command authority among the British, and in fact modern life has been developing so fast that old people often appear tiresome and out of date.
【简答题】Old age and _______ alone do not command authority among the British, and in fact modern life has been developing so fast that old people often appear tiresome and out of date.
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【简答题】影响旅游者态度改变的因素包括哪些?
【简答题】It benefits us a lot to study the humanities. But we 1. to miss many opportunities if we study the humanities alone. We should try our best to become 2. and 3. skillful to meet the needs of modern lif...
【多选题】以下关于 MySQL 叙述中,正确的是()。
A.
MySQL是真正多线程、单用户的数据库系统
B.
MySQL是真正支持多平台的
C.
MySQL完全支持 ODBC
D.
MySQL可以在一次操作中从不同的数据库中混合表格
【多选题】下列影响旅游者态度改变的因素中属于态度本身的因素有()
A.
态度的强度
B.
态度的繁杂性
C.
态度的认知、情感、意向成分之间的关系
D.
旅游者之间的态度
E.
原先态度与要改变的态度之间的距离
F.
态度的一贯性
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