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【单选题】
师生进入实训室工作,一定要搞清楚( )等位置,有异常情况,要关闭相应的总开关。A.
日光灯开关、水槽、通风橱
B.
电源总开关、水源总开关
C.
通风设备开关、多媒体开关、计算机开关
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反馈参考答案：
举一反三
【单选题】If you add enough insulation to your house, you may be able to________.
A.
improve your work environment
B.
cut your utility bills by half
C.
get rid of air-conditioners
D.
enjoy much better health
【单选题】How many steps are there to compose a piece of CET 4 writing?
A.
10
B.
12
C.
14
D.
16
【简答题】I arrived in London at last. The railway station was big, black and dark. I did not know the way to my _1 ___(旅馆), so I asked a porter. I not only spoke English very carefully, but very clearly as 2. ...
【简答题】If you add enough insulation to your house, you may be able to________. A) improve your work environment B) cut your utility bills by half C) get rid of air-conditioners D) enjoy much better health
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