统计某种股票的涨跌情况，一般用______统计图．

国家统计局2006年公布我国全国总人口为130628万人，将130628万人用科学记数法表示正确的是（　　）

A．1.30628×10⁵

B．1.30628×10⁴

C．13.0628×10³

D．13.0628×10²

（10分）向2 L的密闭容器中加入一定量的A、B、C三种气体，一定条件下发生反应，各物质的物质的量随时间变化如图甲所示。图乙为t₂时刻后改变条件平衡体系中反应速率随时间变化的情况，且4个阶段所改变的外界条件均不相同，已知t₃——t₄阶段为使用催化剂。观察下图，回答下列问题：

（1）甲图中从反应至达到平衡状态，生成物C的平均反应速率为             。

（2）乙图中t₂时引起平衡移动的条件是                     ，t₅时引起平衡移动的条件是                     。

（3）乙图中表示平衡混合物中，在这4个阶段中C的含量最高的一段时间是         。

（4）该反应的化学方程式可以表示为：                                         ，正反应为           （填“放热”或“吸热”）反应。

（5）反应开始时加入的B的物质的量为                 。

ATⅡ受体抑制剂是（）

A.尼群地平

B.硝苯地平

C.氨氯地平

D.尼莫地平

E.氯沙坦

依据《危险化学品安全管理条例》的规定，未经许可，任何单位和个人都不得经营销售危险化学品。危险化学品经营企业必须具备（）条件。

A.有健全的安全管理制度

B.设置专职医疗队伍

C.经营场所和储存设施符合国家标准

D.有符合国家标准的生产工艺

E.主管人员和业务人员经过专门培训，并取得上岗资格

Everyone gets angry sometimes, but being angry doesn’t really solve much. Your goal is to calm yourself down. This is (1) for some people. Instead of calming down, they might get more and more upset (2) they explode like a volcano. Some people might say they have trouble (3) their temper. Sometimes angry feelings can be hard to (4) . So what do you do if your temper is like a volcano

Well, the good news is (5) people don’t keep making the same mistakes over and over again. You can train your temper. Here are steps you can (6) at any time.

Get a lot of (7) activity. Exercise can be good because it is a way of (8) energy and stress. You can dance around your room (9) your favorite music, too.

Talk to your mom or dad. If you’re having trouble with your temper, tell your parents you’re trying to do a (10) job of controlling yourself. Let them know you are going to ask for their help.

Put (11) into words. Get into the habit of saying what you are feeling and why. (12) using words might help you manage your p feelings and behaviors.

Take a break from the (13) . If you are in an argument with someone, go to another part of your house. You can just say, "I want to be (14) for a while so I can calm down. "

Go into a (15) . If you fed angry and think you need a timeout to calm down, don’t (16) your parents to tell you to take a timeout for yourself. Let your family know that when you’re taking a timeout, they need to (17) your space and leave you alone. While you are sitting in your chair, try to take deep (18) .

Learn to shift. The idea is to shift from a really angry mood to a better mood. After you (19) the angry feelings out, you have to start thinking about other things, You can say, "I (20) my temper, but I’m going to get myself under control now.

8（）

A.sending off 

B.giving off 

C.getting off 

D.burning off