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【单选题】
系统无制冷剂，应检查泄漏排除故障，（）充注制冷剂，充注润滑油，运转系统。A.
抽真空
B.
更换压缩机
C.
更换膨胀阀
D.
更换干燥瓶
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举一反三
【简答题】中国药典凡例规定:称取“ 2.0g ”,系指称取重量可为( )
【单选题】中国药典凡例规定:称取“0.1 g”,系指称取重量可为:
A.
0.095~0.105g
B.
0.096~0.104g
C.
0.06~0.14g
D.
0.05~0.15g
E.
0.05~0.14g
【单选题】中国药典凡例规定:称取“0g”,系指称取重量可为
A.
1.5 ~2.5g
B.
1. 6 ~2. 4g
C.
1. 45～2. 45g
D.
1. 95 ~2. 05g
E.
1. 96 - 2. 04g
【单选题】— Have you ever been to France? — Yes, I ______ there last August. [ ]
A.
have gone
B.
went
C.
have been
D.
were
【简答题】Have you ever heard of Langlang?此题出自2015年福建三明市中考英语真题及答案，2015年福建三明中考英语试题及答案 —Have you ever heard of Langlang? —Sure. He is one of ______ pianists ______ I have even seen. A.good; that B.much better; wh...
【简答题】情景交际。 A. Have you ever travelled to China? B. Have you read any books in Chinese? C. Do you like Chinese? D. How long have you lived there? E. How many Chinese classes do you have every week? F. How l...
【单选题】中国药典凡例规定:称取 “2.0g” ,系指称取重量可为
A.
1.5~2.5g
B.
1.6~2.4g
C.
1.45 ～ 2.45g
D.
1.95~2.05g
E.
1.96-2.04g
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