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搜题
【单选题】
微机型备用电源自动投入装置的特点是A.
厂用电源中断时间短、母线电压下降大
B.
对备用电源及电动机的冲击小
C.
厂用电源中断时间长、母线电压下降小
D.
电动机自启动时间长
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】Debit side of "Services" records those services that are performed by residents for non-residents.
A.
正确
B.
错误
【单选题】All those who are not the local residents cannot take part in the election campaign.
A.
凡不是当地居民，就能参加选举活动。
B.
凡是当地居民，就能参加选举活动。
C.
选举活动不参加，就不是当地居民。
D.
凡不是当地居民，就不能参加选举活动。
【单选题】Find ways to praise your children often, _________ you'll find they will open their hearts to you.
A.
till
B.
or
C.
and
D.
But
【单选题】The house we passed by is ______ to those of my hometown in style, but residents here prefer lighter colors to decorate their houses.
A.
identical
B.
vertical
C.
parallel
D.
specific
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