对经营机构实施停复牌管理时，当风险指标达到暂停业务受理权的警戒线后，应给予三个月整顿

神话传说中的嫦娥据说是夏朝时的著名历史人物。下列有关夏朝历史叙述中，不正确的是[ ]

A．约公元前2070年禹建立夏朝

B．夏朝是我国历史上第一个王朝

C．夏朝的建立标志着我国早期国家产生

D．禹死后，儿子启继承父位从此禅让制代替了世袭制

百合、（）是可以用延长光照时间促进早开花的花卉。

阅读理解。

     Seattle International Film Festival: Future Wave Shorts Program

     Seattle Washington

     May/June annually

     Deadline: March

     A presentation of original short films created by youth aged 18 and under. Entries must be no longer

than 10 minutes(including end titles). The juried Future Wave winner receives a $500 each prize!

     http://www.siff.net

     Contact:Dustin Kasper 【dustin.Kasper @siff.Net 】

     Entry fee:$20

     University if Toronto Film and Video Festival

     Toronto

     February

     Deadline:January

     Annual Festival accepting all lengths and genres (流派), with an emphasis on student work.Submission

(提交)form on festival website.

     http://www.uoftfilmandvideofestival.ca

     Contact: Steven Hoffner 【uoftfilmfest@harthousetheatre.ca】

     Entry fee:$15 (early) $20(final)

     Young Cuts Film Festival

     Toronto Ontario

     August 23th-27th

     Deadline:April 30th

     The Young Cuts Film Festival is one of the world's most important film festivals for film makers under

the age of 25 and is for student film makers and non-student film makers alike. It's important because we

not only evaluate young film makers' short films for our own Festival competition, but we can also evaluate

your film with an eye to establishing its market potential. For more information please go to our website at

www.youngcuts.com or email us at  info@youngcut.Com

     Contact:Peter Bailey 【info@youngcut.Com】

     Entry fee:$60.00-$90.00

     Scene First Student Film Festival

     Wilmington North California

     June 14th-16th

     Deadline:May

     The 3-day national film competition provides student film makers with an opportunity to show their short

films, network with industry professionals, and learn from academic and industry leadership-all in a relaxed

social environment.

     http://www.scenefirstfestival.com

     Contact: Sam Connelly 【samc@campusentertainment.net】

     Entry fee:$12

1. If you want to enter Seattle International Film Festival, you have to _____.

A. be above 18 years of age

B. apply before May

C. make a film no more than 10 minutes in length

D. make a film with end titles

2. Those who enter Young Cuts Film Festival can ______.

A. win some prize money

B. have their films sold at the film market

C. meet very professional film makers

D. know whether it is possible for their films to go into market

3. If a student film maker want to ask famous film makers for advice, he should go to ______.

A. Seattle International Film Festival

B. University if Toronto Film and Video Festival

C. Young Cuts Film Festival

D. Scene First Student Film Festival

______是导游服务质量的基础，______是使宾客满意的服务。

当8255的PA口工作在方式1的输入时，对PC₄置位，其作用是( )

A．启动输入
B．开放输入中断
C．允许输入
D．停止输入