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【判断题】
可以用万用表 R ╳ 1K 挡测试电动机控制辅助电路情况。A.
正确
B.
错误
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【简答题】To acknowledge other cultures will _____ good will among people of different backgrounds.
【单选题】To acknowledge other cultures will _____ good will among people of different backgrounds.
A.
promote
B.
decline
C.
boost
【单选题】To acknowledge other cultures will ___________ good will among people of different backgrounds.
A.
compel
B.
accelerate
C.
promote
D.
change
【简答题】To acknowledge other cultures will among people of different background. 承认别人的文化会促进不同背景的人之间的友好亲善。
【单选题】To acknowledge other cultures will _____ good will among people of different backgrounds.
A.
revise
B.
prune
C.
promote
D.
revolve
【简答题】To acknowledge other cultures will _____ (支持;鼓励;提倡)good will among people of different backgrounds.
【简答题】下列烯类单体适于何种机理聚合?自由基聚合、阳离子聚合还是阴离子聚合?并说明原因。 CH 2 =CHCl CH 2 =CCl 2 CH 2 =CHCN CH 2 =C(CN) 2 CH 2 =CHCH 3 CH 2 =C(CH 3 ) 2 CH 2 =CHC 6 H 5 CF 2 =CF 2 CH 2 =C(CN)COOR CH 2 =C(CH 3 )-CH=CH 2
【简答题】下列烯类单体适于何种机理聚合?自由基聚合、阳离子聚合还是阴离子聚合?并说明原因。 CH 2 =CHCl CH 2 =CCl 2 CH 2 =CHCN CH 2 =C(CN) 2 CH 2 =CHCH 3 CH 2 =C(CH 3 ) 2 CH 2 =CHC 6 H 5 CF 2 =CF 2 CH 2 =C(CN)COOR CH 2 =C(CH 3 )-CH=CH 2
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