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【单选题】
三相对称负载呈星形连接的电路中,I线与I相 之间的关系是( )。
A.
I线= I相
B.
I线 =3I相
C.
I线=2I相
D.
I线=I相
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参考答案:
举一反三
【单选题】孔子评价为“尽美矣,未尽善也”的乐舞是( )。
A.
《葛天氏之乐》
B.
《大武》
C.
《大濩》
D.
《云门》
【单选题】What's Sara's water bottle like?
A.
It's blue and in the shape of teddy bear.
B.
It's blue and in the shape of rabbit.
C.
It's red and in the shape of frog.
【简答题】What was Sara’s job in the passage?
【单选题】What's Sara's hobby?
A.
playing football
B.
watching football
C.
reading books
D.
listening to music
【单选题】What's Sara's hobby?
A.
basketball
B.
football
C.
listening to music
【单选题】What color is Sara's pencil case?
A.
It's red.
B.
It's pink.
C.
It's black and purple.
【判断题】学前儿童对膳食有不同的爱好。我们要根据其喜好,提供不同膳食。( )
A.
正确
B.
错误
【单选题】域名系统为了方便区分不同域名,采用()方式来命名
A.
分层
B.
分区
C.
分符号
D.
分拓扑
【单选题】This is _____ room, and it is beautiful and lovely. [     ]
A.
Betty and Sara
B.
Betty's and Sara's
C.
Betty and Sara's
D.
Betty's and Sara
【单选题】What's Sara's favorite music?
A.
jazz
B.
country music
C.
pop songs
参考解析:
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