人身保险市场和财产保险市场的差异主要体现在市场要素和构成上。（）

若|a|+a=0，则a的取值范围是（    ）。

阅读理解

     Many people like traveling during their vacation. They go to mountains, seaside, or forests. Some people like history

so they like to visit old castles  (城堡), museums and monuments  (纪念,碑). In many foreign countries, the travel agent

(旅行社) can help you plan your holiday. You can tell the travel agent what kind of holiday you like, how much money

you want to spend, and the travel agent will give you a lot of information about where to go, how to get there, where to

stay, and what kind of activities you can do there. One of the holidays is called "package holiday". That is, you just pay

the money, and the travel agent will plan everything for you, the ticket for the train or plane, the hotel, the activities, etc.

1. Package holiday means ________.

A. you have a package with you when you travel

B. you can travel~ everywhere and stop where you want

C. you pay your money and you don't have to think about anything at all

D. you travel with nothing

2. Some people like to visit old castles because they like ________.

A. fresh air

B. history

C. camping

D. traveling

3. ________ can help you plan your holiday.

A. Your family 

B. Many people

C. Nobody

D. Travel agent

4. Package holiday is ________.

A. cheap

B. expensive

C. boring

D. easy

5. If you plan to go, on a package holiday, you should tell the travel agent ________.

A. how much money you want to spend

B. how the weather is

C. what kind of holiday you like

D. both A and C

温 * * * * 在十届全国人大四次会议上谈到解决关于“三农”问题时说，2006年中央财政用于“三农”的支出将达到33 970 000万元，这个数据用科学记数法可表示为（    ）万元．

最可能的诊断为

A．二尖瓣关闭不全

B．主动脉瓣狭窄

C．扩张型心肌病

D．冠心病

E．肥厚型梗阻性心肌病

国际规定，电压（）伏以下不必考虑防止电击的危险

A.36伏

B.65伏

C.25伏