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【单选题】
下图钻孔结构设计合理的是( )
A.
(1)
B.
(2)
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【多选题】电容器在直流稳态电路中相当于( ),容量足够大时在交流电路中相当于( )。
A.
开路
B.
短路
C.
断路
D.
分路
【简答题】Work in pairs. Search in the library or on the Internet for the information about the brand of the car you want. Make your choice of the brand of the car you would like to buy. Tell your partner which...
【单选题】Is it in the factory__ you visited last week__this kind of car is made﹖
A.
/;that
B.
where;when
C.
where;that
D.
/;when
【单选题】The car was made in 1800; it is now regarded as an antique .
A.
a product
B.
a relic
C.
a layman
【多选题】电容器在直流稳态电路和容量足够大时在交流电路中分别相当于( )。
A.
开路
B.
短路
C.
断路
D.
分路
【单选题】The car was made in 1800; it is now regarded as antique.
A.
homemade
B.
old
C.
layman
D.
gorge
【简答题】What will the car be like in the future? Maybe we can sit in a car that can drive itself. About 40 years ago, scientists from the United States started to develop self-driving cars. The most famous re...
【判断题】电容器在稳态直流电路中相当于断路。( )
A.
正确
B.
错误
【判断题】电容器在直流稳态电路中相当于断路。
A.
正确
B.
错误
【单选题】电容器在直流稳态电路中相当于( )。
A.
短路
B.
通路
C.
断路
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