下列选项中不属于风险度量方法的是( )。A．波动性分析 B．敏感性分析 C．缺口分

预激综合征最容易出现的心律失常（）。

A.心房扑动

B.三度房室传导阻滞

C.尖端扭转室速

D.阵发性室上性心动过速

E.窦性心动过速

材料一：第29届北京奥运会离我们越来越近了。一届成功的奥运会，离不开成千上万名志愿者的无私奉献。北京奥运会志愿者行动计划总则提出，要大力宣传中国改革开放取得的辉煌成就，展示北京现代化建设成果，充分体现中国特色社会主义道路的优越性。要促进中外人士的交流和友谊，让中国更了解世界、让世界更了解中国。

材料二：2008年，我们迎来了改革开放三十周年。中央决定隆重纪念改革开放30周年。 请问：

（1）假如你去报名参加北京奥运会志愿者行动，报名时需要填写参加奥运会志愿者行动的理由，你会填写一些什么内容？（答出两点以上）

（2）假如你成了一名志愿者，你准备用什么方式来宣传我国改革开放取得的辉煌成就？（答出两点以上）

（3）假如你是一名志愿者，你打算宣传我国改革开放取得的哪些辉煌成就？（答出三个点以上）

物体在三个共点力F₁、F₂、F₃作用下做匀速直线运动，其中的大小可能是（   ）

A．2N

B．5N

C．8N

D．14N

煤中可燃硫如何计算？

In Argonia the average rate drivers pay for car accident insurance is regulated to allow insurance companies to make a reasonable profit. Under the regulations, the rate any individual driver pays never depends on the actual distance driven by that driver each year. Therefore, Argonians who drive less than average partially subsidize the insurance of those who drive more than average.
The conclusion above would be properly drawn if it were also true that in Argonia

A．the average accident insurance rate for all drivers rises whenever a substantial number of new drivers buy insurance.

B．the average cost to insurance companies of insuring drivers who drive leas than the annual average is less than the average cost of insuring drivers who drive more than the annual average.

C．the lower the age of a driver, the higher the insurance rate paid by that driver.

D．insurance company profits would rise substantially if drivers were classified in terms of the actual number of miles they drive each year.

E．(E) drivers who have caused insurance companies to pay costly claims generally pay insurance rates that are equal to or lower than those paid by other drivers.