2011年3月10日12时58分，云南省德宏傣族景颇族自治州盈江县发生里氏8级地

全国银行间债券市场参与者进行每笔买断式回购还应订立书面形式的合同，其书面形式包括（）。

A.信件

B.数据电文

C.合同书

D.成交单

元代书坛的总体特征是（）。

在______个容量为32的循环队列中，若头指针front＝3，尾指针rear＝2，则该循环队列中共有______个元素。

Many female PhD graduates have encountered an embarrassing problem: the high degree seems to be a disadvantage to them when they start dating.

Topic: Is a PhD degree a disadvantage for young females

Questions for reference:
1. Is it true that it is difficult for female PhD students to find their true love
2. What are the social and historical reasons
3. What do you think of the position of the female PhD graduates in society

回潮区调整要点包括（）几点。

A、保证回潮区处于轻微负压区

B、排潮风门的开启度要大于进风口的开启度

C、调节风量风速，保证不同厚度层的烟叶温度和水份一致

D、上升风区下进风区的喷水量和蒸汽量适当调整