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【单选题】
下列关于滚珠丝杆副的结构特点论述错误的是( )。
A.
运动平稳较差
B.
可预紧消隙
C.
摩擦因数小
D.
运动具有可逆性
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举一反三
【单选题】采用集电极调幅时,功放应选择在() 状 态,基极调幅时,它应选择在 () 状 态。
A.
欠压 过压
B.
过压 欠压
C.
过压 临界
D.
欠压 临界
【单选题】曹操的父亲原来的姓氏是()。
A.
B.
夏侯
C.
D.
【简答题】A.He should show respect for the interviewer. B.He should show confidence for himself. C.He should be dressed properly. D.He should talk enthusiastically.
【简答题】A.He should show respect to the interviewer. B.He should show confidence in himself. C.He should be dressed appropriately. D.He should speak enthusiastically.
【简答题】Sentence pattern 句型练习: 形容词做状语 模仿课文例句(形容词做原因状语)完成下列句子,请参考例句。 例句: _______________ the fast-moving virus, the Chinese authoraties have extended the country's national holiday... (desperate, slow) 答案:D...
【判断题】浙江大学剧毒化学品实验使用登记表应与试剂瓶一起放在保险柜中,在剧毒物品使用完或残存物处理完毕后与空瓶一起交回校后勤集团技术物资服务中心。
A.
正确
B.
错误
【单选题】_______show himself in front of the rebels?
A.
Dares the king
B.
Dares the king to
C.
Dare the king
D.
Does the king dare
【简答题】A.He should show respect to the interviewer. B.He should show confidence in himself. C.He should be dressed appropriately. D.He should speak enthusiastically.
【判断题】浙江大学剧毒化学品实验使用登记表应与试剂瓶一起放在保险柜中,在剧毒物品使用完或残存物处理完毕后与空瓶一起交回校后勤集团技术物资服务中心。( )
A.
正确
B.
错误
【简答题】A.He should show respect for the interview. B.He should show confidence for himself. C.He should be dressed properly. D.He should talk enthusiastically.
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