交感神经对胃肠运动与分泌的作用是A．胃肠运动增强，分泌抑制 B．胃肠运动及分泌均抑制

2007年，三鹿销售额达103亿元，已引入外资的三鹿下一步上市没有了悬念，可就在______时刻，灭顶之灾逼近三鹿。

填入画横线处的词语，最恰当的一项是（）。

A．重要

B．巅峰

C．紧要

D．关键

根据首字母或汉语提示写出单词或词组的正确形式。

1. Weather p             , we will have a picnic in the countryside.

2. You can see the stars on a clear night, but in the daytime they are i         .

3. You are too s          on your child. He just made a few mistakes in the exams; you don't need to punish him.

4. When we heard his jokes, we all burst into             .(笑声)

 5. 这次旅行的组织工作全由我朋友负责.

My friend took full           for organizing the tour.(职责)

6. I think the difficulty in finding a proper way to solve the problem is           since we keep trying. (暂时的)

7. 对于有些人而言, 养成坏习惯很容易, 但是除掉它却很难.

Picking up a bad habit is easy but                                  it is really difficult.

8. 我们必须使我们的思想和工作适应新的情况.

We must               thinking and work                the new circumstances.

9. 只要我有困难, 她总是会来帮助我解决困难.

When I am in trouble, she always comes to                            dealing with it.

10. He made up his mind to                           . (戒烟)

11. Lucy held a party                                       (为了庆祝) her birthday.

证券公司设立限定性集合资产管理计划的净资本限额为（）。

A.1亿元

B.2亿元

C.3亿元

D.5亿元

细菌染色的基本程序为（）

A.涂片-染色-干燥-固定

B.涂片-染色-固定-干燥

C.涂片-干燥-固定染色

D.涂片固定-染色-干燥

E.涂片-固定-干燥-染色

下列各项过程中，遵循“碱基互补配对原则”的有（）

①目的基因与运载体结合

②RNA复制

③转录

④翻译

⑤逆转录

A.①②③④⑤

B.②③④⑤

C.②③⑤

D.①③④⑤