皮皮学，免费搜题
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搜题
【单选题】
债券可以溢价发行、折价发行，也可以（ ）发行。A.
低价
B.
随意
C.
平价
D.
高价
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The enzyme can accelerate the chemical reaction because the enzymes can
A.
increase the activation energy
B.
decrease the substrate’s energy level
C.
increase the product’s energy level
D.
reduce the activation energy
【简答题】a. 愚蠢的
【多选题】Enzyme specificity can be divided into
A.
Functional group specificity
B.
Relative specificity
C.
Stereoisomeric specificity
D.
Absolute specificity
【判断题】It was Sarah Morris who had made me give up cynicism and return to my former positive attitude.
A.
正确
B.
错误
【多选题】The specificity of the enzyme can be divided into
A.
Absolute Specificity
B.
High efficiency
C.
Adjustability
D.
Stereoisomeric specificity
【多选题】The original enzyme that can be activated by trypsin( )
A.
pepsinogen
B.
chymotrypsinogen
C.
Prothrombin
D.
Carboxyl peptidase A
E.
Trypsinogen
【简答题】西方有句谚语：“只有愚蠢的工匠。没有愚蠢的行业”。请问你怎么看?
【简答题】a.愚蠢的A. dumb
【简答题】实现人生理想必须发扬____精神。
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