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【单选题】
低压电器中具有短路、过载、欠压保护的电器是 ( ) 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>A.
低压断路器
B.
低压交流接触器 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
低压漏电保护器
D.
低压电流继电器
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皮皮学刷刷变学霸
举一反三
【简答题】I preferred ' 我曾喜欢喜剧。
【单选题】I preferred watching TV to _______ music last week． [ ]
A.
listen to
B.
listening
C.
listening to
D.
listened to
【单选题】I became a teacher because I preferred books and people ______ politics.
A.
than
B.
to
C.
rather
D.
against
【单选题】I preferred to go there by plane, but I hadn't enough money to pay for the _______. A．tripB．voy
A.
175. I preferred to go there by plane, but I hadn't enough money to pay for the _______. A．trip
B.
voyage
C.
journey
D.
Tour
【单选题】Rather than to school by bus, I preferred a bike.
A.
to go; to ride
B.
go; riding
C.
going; to ride
D.
go; to ride
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