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【多选题】
企业标准字的设计应遵循()。
A.
易辨性原则
B.
艺术性原则
C.
协调性原则
D.
传达性原则
E.
民族性原则
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参考答案:
举一反三
【简答题】完形填空。 I have my dream job. In ten years, I think I'll be a reporter. I'll live 1 Chengdu because I went to Chengdu last year with my parents and fell in love 2 it. I think it's really a big and 3 city...
【判断题】氨基酸是两性电解质,蛋白质也是两性电解质。
A.
正确
B.
错误
【判断题】氨基酸是两性电解质( )
A.
正确
B.
错误
【单选题】关于非处方药说明书标签的印刷,下列说法正确的是
A.
药品说明书必须彩色印刷
B.
药品外标签可以单色印刷,也可以彩色印刷
C.
药品内标签必须单色印刷
D.
药品标签必须按照国家药品监督管理总局公布的色标要求印刷
【简答题】阅读理解 Bernard Longmore is a reporter of a national newspaper.I talked to him recently and have found something interesting about him.Bernard went to our school and is now a reporter for a national news...
【判断题】氨基酸是两性电解质,但是氨基酸的电离受溶液pH 值的影响
A.
正确
B.
错误
【单选题】氨基酸是两性电解质是由于分子结构中含有
A.
氨基
B.
羧基
C.
同时含有氨基和羧基
D.
羟基
【单选题】Mae Jemisons feelings about the transitioning period include all of the following EXCEPT that______.
A.
she thought it was great to do interplanetary travel
B.
she felt a little bit pity about the shuttle program
C.
she thought it was unbelievable to see so fast a change
D.
she felt proud to travel to the other planet
【简答题】氨基酸是两性电解质,其解离方式取决于所处溶液的______。
【多选题】氨基酸是两性电解质,当氨基酸所处环境的pH大于pI时,氨基酸分子带 ,pH小于pI时,氨基酸带 ,pH等于pI时,氨基酸所带净电荷为零,此时溶解度
A.
负电荷
B.
正电荷
C.
最小
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