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【单选题】
如图所示,动滑轮重2 N,弹簧秤的示数为10N,则拉力F和物体的重为
A.
20N,18N
B.
10N,18N
C.
18N,10N
D.
20N,20N
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参考答案:
举一反三
【单选题】A lysogenic bacterium ( ).
A.
Carries a prophage
B.
Causes lysis of other bacteria on contact.
C.
Cannot support the replication of a virulent phage
D.
Is often a human pathogen
E.
Is usually not capable of conjugal genetic transfer
查看完整题目与答案
【单选题】肺的导气部不包括
A.
肺叶支气管
B.
肺段支气管
C.
肺泡管
D.
小支气管
E.
细支气管
查看完整题目与答案
【单选题】以下电器属于主令电器的是
A.
接触器
B.
继电器
C.
熔断器
D.
按钮
查看完整题目与答案
【判断题】地面干净清洁,无果皮纸屑、积水积尘等死角。
A.
正确
B.
错误
查看完整题目与答案
【单选题】We will be shown around the city: schools,museums,and some other places,______ other visitors seldom go. [ ]
A.
what
B.
which
C.
where
D.
when
查看完整题目与答案
【多选题】What are wrong statements with respect to lysogen and prophage.
A.
If there is only growth of few lysogens, the E. coli lawn would be turbid
B.
The integrated phage is called as lysogen
C.
The infected bacterial cell is called a prophage
D.
If lysogens won’t be formed, the plaques won’t be clear
查看完整题目与答案
【单选题】We will be shown around the ciry: schools, museums, and some other places, _____ other visitors seldom go. [ ]
A.
what
B.
which
C.
where
D.
when
查看完整题目与答案
【判断题】一笔经济业务的发生会引起一项资产的增加和一项负债的减少。
A.
正确
B.
错误
查看完整题目与答案
【简答题】A.offices B.schools C.cities D.places
查看完整题目与答案
【判断题】EDTA配位滴定时的酸度,根据lgcMK'MY≥6就可以确定。
A.
正确
B.
错误
查看完整题目与答案
相关题目:
【单选题】A lysogenic bacterium ( ).
A.
Carries a prophage
B.
Causes lysis of other bacteria on contact.
C.
Cannot support the replication of a virulent phage
D.
Is often a human pathogen
E.
Is usually not capable of conjugal genetic transfer
查看完整题目与答案
【单选题】肺的导气部不包括
A.
肺叶支气管
B.
肺段支气管
C.
肺泡管
D.
小支气管
E.
细支气管
查看完整题目与答案
【单选题】以下电器属于主令电器的是
A.
接触器
B.
继电器
C.
熔断器
D.
按钮
查看完整题目与答案
【判断题】地面干净清洁,无果皮纸屑、积水积尘等死角。
A.
正确
B.
错误
查看完整题目与答案
【单选题】We will be shown around the city: schools,museums,and some other places,______ other visitors seldom go. [ ]
A.
what
B.
which
C.
where
D.
when
查看完整题目与答案
【多选题】What are wrong statements with respect to lysogen and prophage.
A.
If there is only growth of few lysogens, the E. coli lawn would be turbid
B.
The integrated phage is called as lysogen
C.
The infected bacterial cell is called a prophage
D.
If lysogens won’t be formed, the plaques won’t be clear
查看完整题目与答案
【单选题】We will be shown around the ciry: schools, museums, and some other places, _____ other visitors seldom go. [ ]
A.
what
B.
which
C.
where
D.
when
查看完整题目与答案
【判断题】一笔经济业务的发生会引起一项资产的增加和一项负债的减少。
A.
正确
B.
错误
查看完整题目与答案
【简答题】A.offices B.schools C.cities D.places
查看完整题目与答案
【判断题】EDTA配位滴定时的酸度,根据lgcMK'MY≥6就可以确定。
A.
正确
B.
错误
查看完整题目与答案
参考解析:
知识点:
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