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【单选题】
在HPLC-MS联用仪中，常用的接口为：A.
光管接口
B.
电喷雾接口
C.
冷冻捕集接口
D.
流通池接口
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【简答题】Sentences arrangement. 1. However, we have to inform you that we cannot grant you the discount of 20%. 2. We thank you for your order of Dec. 7. 3. If you really take into consideration our serious si...
【单选题】help you to develop business in this line, we are prepared to offer you a discount of 5%.
A.
With regard to
B.
In order to
C.
So as to
D.
As to
【简答题】As to discount, you can _____ 5% if your order for our men's shirts is not less than 2000 dozen.
【简答题】As long as you have successfully registered on the internet to obtain ____, you can get a discount on all the goods you buy in our shop. (member)
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