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问题 单项选择题

羟基蒽醌的UV吸收峰波长受α-OH数目影响的峰是

A．230nm
B．240～260nm
C．262～295nm
D．305～389nm
E．＞400nm

答案

参考答案：E

单项选择题

The Business Permit Office in Plains County claims that it has reduced processing time by one week by replacing the old application forms, which applicants filled out on the day of their interview, with mail-in, computer-readable forms and by letting the computer schedule the interviews. Bnsinesspeople counter that getting a permit now averages a week longer. Which of the following, if true, most helps to resolve the apparent discrepancy described above ？（）

A．County businesses can operate only with a permit, and during each day of processing they lose any income they might have generated.

B．The permit office considers that processing begins after the interview, whereas the applicants consider that processing begins when they have submitted an application.

C．There are fewer applicants for permits in the county since the permit office instituted the changes.

D．Computer-readable forms have reduced the time necessary for the permit office to verity the statements made on applications and have thus reduced the amount of time an interview takes.

E．The format of the application has not changed since the permit office began recording applications on the computer.
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单项选择题

中国海警局正式挂牌成立是在下列哪个时间？（）

A.1982年8月

B.1998年10月

C.2011年6月

D.2012年7月
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