题目内容

_______ straight ahead, then turn right at that corner.

A. Go
B. Going
C. Goes

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He has moved _______ his new home.

A. at
B. to
C. into

They live ______ the second floor.

A. in
B. on
C. at

She sits _______ Susan _____ Peter.

A. between; and
B. from; to
C. either; or

请判断:1.只要供电线路允许三相异步电动机全压起动,就可采用全压起动的方法来起功电动机。( )2.减压起动虽能达到降低电动机起动电流的目的,但此法一般只适用于电动机空载或轻载起动。( )3.定子绕组串接电阻减压起动时,通过电阻的分压作用来降低定子绕组上的起动电压。 ( )4.在接触器正、反转控制线路中,若正转接触器和反转接触器同时通电会发生两相电源短路。 ( )

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