皮皮学，免费搜题
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搜题
【多选题】
标准品是指( )。A.
用于校正检定仪器性能的标准物质
B.
用于生化药品的质量或效价测定的标准物质
C.
用于抗生素含量测定或效价测定的标准物质
D.
用于生物检定的标准物质
E.
用于鉴别、杂质检查的标准物质
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反馈参考答案：
举一反三
【单选题】our reputation, please refer to the Bank of China, Shanghai Branch.
A.
About
B.
To
C.
Concerning
D.
Refer to
【单选题】根据皂苷元的结构,皂苷可分为( )
A.
四环三萜皂苷和五环三萜皂苷两大类
B.
甾体皂苷、三萜皂苷、酸性皂苷和中性皂苷四大类
C.
单糖链皂苷、双糖链皂苷和酯皂苷三类
D.
甾体皂苷和三萜皂苷两大类
E.
可水解皂苷和不可水解皂苷
【单选题】As to our credit , please refer to the folloeing bank.
A.
stating
B.
stand
C.
standing
D.
situation
【简答题】If you want to keep fit, please refer to the following: Move More Make it a daily to find ways to move your body. 小题1: Climb stairs instead of taking the elevator. Walk your dog; play with your kids. ...
【单选题】根据皂苷元的结构,皂苷可分为
A.
四环三萜和五环三萜两大类
B.
皂苷和皂苷元两大类
C.
甾体皂苷、三萜皂苷、酸性皂苷和中性皂苷四大类
D.
甾体皂苷和三萜皂苷两大类
E.
单糖链、双糖链和酯皂苷三类
【单选题】Please refer to the engine room logbook.请查阅轮机日志 01010182
A.
Please refer to the engine room logbook.
B.
Please look at the navigation logbook.
C.
Please consult the navigation.
D.
Please consult the engine room logbook.
【单选题】Please refer to the before you switch on the engine.
A.
introductions
B.
explanations
C.
instructions
D.
expressions
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