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【单选题】
直流电动机的电枢电动势方向可通过( )判定。
A.
右手螺旋定则
B.
右手定则
C.
基尔霍夫定律
D.
左手定则
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参考答案:
举一反三
【单选题】-----How do the boy and the girl go to school? ------The boy often______ his bicycle and the girl often ______the train to school.
A.
rides,takes
B.
takes, rides
C.
by, by
D.
rides, by
【简答题】I wondered why the boy often avoided (talk) ______ with his classmates.
【多选题】下列水磨石楼地面面层的做法中,正确的有( )。
A.
浅色的水磨石,采用白水泥 同一色号
B.
面层的厚度不应小于20mm
C.
深色的水磨石,采用普通硅酸盐水泥制作
D.
分格条可以采用铜条、铝合金条、玻璃条等材料
E.
防静电面层采用导电金属分格条时,分格条应作绝缘处理
【判断题】社会保险在社会保障体系中居于核心地位。( )
A.
正确
B.
错误
【判断题】社会保 险 在 社会 保 障 体系中居于核心地位建设社会主之文化强国 。
A.
正确
B.
错误
【多选题】社会保险在社会保障体系中居于核心地位,主要项目包括( )、生育保险等。
A.
养老保险
B.
医疗保险
C.
失业保险
D.
工伤保险
【单选题】The boy often got into with the police.
A.
through
B.
terrible
C.
trouble
D.
Trousers
【单选题】The boy is often made __ in class. [     ]
A.
to stand
B.
stand
C.
standing
【单选题】—Who’s your best friend? Is ____ a boy or a girl? —A boy. I often play with _____ after school.
A.
she, her
B.
it, he
C.
he, him
D.
it, him
【单选题】His jokes often led to violence when he was a boy.
A.
Y
B.
N
C.
NG
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