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Customer: I’m just looking. Attendant: Oh, you’re just ____1._____. Customer: I’m not sure what I need. Attendant: Oh, okay. Well, have a good time ___2.____ ____3.____ if youwant. If you need help, just give me a __4._____. Justlet me __5.____ if you need any help with anything. The Customer is still browsing around. Attendant: Well, did you know thateverything in this department is __6.___ ___7.___ today? We have a big __8.___ today. Customer: What? Oh really? There’s a saletoday. This is crazy. I didn’t know there was a sale. Which __9.___? Which things are on sale? Attendant: Well, all of the things on thisside on this __10._____ are on sale. They’re all on special ___11._____. ...... Attendant: Let’s go to the __12.____register. How do you want to ___13.____? Customer: Oh, I think I’m going to pay by___14._____ ____15.____ Attendant: Do you want a special paper bagor a ____16._______ bag?
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【简答题】型号为CW7915集成稳压电路的输出电压为_______ V。A. -15V
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【单选题】8 g·L -1 的 NaHCO 3 ( M r =84) 溶液的渗透浓度为 mmol·L -1 ,与正常人体血浆的总渗透压相比是( ) (等渗、低渗、高渗)(2018年期末考试题)
A.
200，低渗
B.
400，等渗
C.
400，高渗
D.
600，高渗
【单选题】测试导入单选题39正常人血浆的渗透浓度范围为( )
A.
选择1 280~320m mol/L
B.
选择2 250~350m mol/L
C.
选择3 320~760m mol/L
D.
选择4 28~32 mol/L
【简答题】正常人血浆的渗透浓度为( )~( )m mol/L
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