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【单选题】
In the video case, Sinclair has several dreams such as having getting married and having three children and living to be a hundred. Are these dreams are possible or impossible to realise and can he make them happen?
A.
Impossible
B.
Possible and he can be sure they will happen.
C.
Possible but he can’t be sure to make them happen
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举一反三
【单选题】异名磁极间相互为( )
A.
排斥
B.
吸引
C.
既排斥又吸引
D.
无相互作用
【简答题】If you choose not to receive those emails, please let us know by (     )[send] us a message.A. sending
【简答题】电容滤波电路中,电容与负载时 联的,电感滤波电路中,电感与负载时 联的。
【简答题】If you choose not to receive those emails, please let us know by (send) us a message.
【简答题】电容滤波电路中,电容要与负载 联;电感滤波电路中,电感要与负载 联。
【单选题】下面哪个不属于生态系统生态学的主要研究内容
A.
生态系统的组成与结构
B.
生态位理论
C.
能量流动
D.
物质循环
【简答题】电容滤波电路中滤波电容与负载 ____联,电感滤波电路中滤波电感与负载____联。
【简答题】磁极间的相互作用表现为:同名磁极相互( ),异名磁极相互( )
【单选题】If you choose not to receive those emails, please let us know by __________ us a message.
A.
to send
B.
sending
C.
send
D.
sent
【判断题】电容滤波电路中,滤波电容的接法是与负载电阻并联
A.
正确
B.
错误