皮皮学，免费搜题
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【单选题】
自动空气开关的过载保护是由( )实现的。A.
热脱扣器
B.
电磁脱扣器
C.
欠压脱扣器
D.
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拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】---I am happy you can come to my party. ______, please. ---Thank you.
A.
Make youself at home
B.
Take it easy
C.
Take your time
D.
Help youself
【简答题】任务型阅读。 Dear Wang Wei, I am very happy to be your pen pal. My name is Jane Green. I am four years old. I am from Brisbane, Australia. It's a beautiful city near the sea (大海). I speak English and I ...
【简答题】What policy does the company stick to? They stick to the ______ and mutual benefit.
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