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【单选题】
下列化合物进行聚酰胺柱色谱分离，以浓度从低到高的乙醇洗脱，最先被洗脱的为A.
2’，4’-二羟基黄酮
B.
3’，4’-二羟基黄酮
C.
4’-OH黄酮醇
D.
4’-羟基异黄酮
E.
4’-羟基二氢黄酮醇
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反馈参考答案：
举一反三
【单选题】Employees are demanding more from their employers because
A.
they always put their work as the first thing in life.
B.
they are pursuing a more balanced lifestyle.
C.
they are equipped with special skills.
D.
they are focusing on benefits more than their salary.
【简答题】What will be employers’ view about online degrees as more are used in the workforce? A) They will feel doubtful about the quality of online education. B) They will feel more secure about the quality o...
【单选题】As hiring _______ more global, both for employers and candidates, video interviewing is a way to speed up the interview process.
A.
became
B.
has become
C.
will become
D.
had become
【简答题】若已执行了锁门操纵,而一侧前门打开并且点火开关钥匙仍插在锁芯内,则所有的车门会 。
【单选题】Although there is a lot more competition on the employers' side at this point, they never lower their standard.
A.
Y
B.
N
C.
NG
【简答题】With more and more graduates being turned down by employers as a result of increased enrollment in college education, it is getting harder for them to obtain satisfactory employment. A big problem the...
【单选题】As hiring __________ more global, both for employers and candidates, video interviewing is a way to speed up the interview process.
A.
has become
B.
became
C.
will become
D.
had become
【多选题】根据《企业所得税》的规定,下列各项目中,属于不征税收入的有( )。
A.
财政拨款
B.
国债利息收入
C.
企业债券利息收入
D.
依法收取并纳入财政管理的行政事业性收费，政府性基金
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