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【判断题】
对于比较干燥而触电危险性较大的环境，我国规定安全电压为12伏。A.
正确
B.
错误
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举一反三
【简答题】He/she has a background of studying chemistry.
【单选题】He is an expert at chemistry.We all call him a ________
A.
chemistry
B.
chemica
C.
chemist
D.
physician
【简答题】What has made John so surprised? A．He discovered he wasn't registered in Chemistry 302A. B．He discovered he was registered in Chemistry 302B. C．He didn't know he was registered in Chemistry 302A and 3...
【单选题】He is an expert at chemistry.We all call him a ________.
A.
chemistry
B.
chemical
C.
chemist
D.
physician
【单选题】听力原文：Bill told me that he would graduate in June if he could get the chemistry course he needs out of the way. (26)
A.
Bill will graduate in June even if he fails in his chemistry course.
B.
Bill intends to do graduate work in chemistry after June.
C.
Bill won't graduate in June, so he's going away.
D.
Bill must take the chemistry course before he can graduate in June.
【简答题】He gives students lessons at a school.
【单选题】The enclosures of the 1th and 18th centuries meant that_______．
A.
people were no longer legally entitled to own land
B.
people were driven to look elsewhere for means of supporting themselves
C.
people were not adequately compensated for the loss of their land
D.
people were badly paid for the work they managed to find
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