茶叶根据商业习惯分为（）几大类。A、绿茶 B、红茶 C、花茶 D、乌龙茶 E、白茶 F、沱茶G

根据《中华人民共和国消防法》的规定，建设工程消防设计审核、消防验收、备案和抽查的具体办法，由()规定。

A.公安部

B.国务院

C.国务院公安部门

D.公安部消防机构

Insurance companies provide a service to the community by protecting it against expected and unexpected disasters. Before an insurance company will agree to insure anything, it collects accurate figures about the risk. It knows, for example, that the risk of a man being killed in a plane accident is less than the risk he takes in crossing a busy road. This enables it to quote(报价) low figures for travel insurance. Sometimes the risk may be high, as in motor-racing or mountaineering. Then the company charges a much higher price. If too many climbers have accidents, the price rises further. If the majority of climbers fall off mountains, the company will refuse to insure them.

An ordinary householder may wish to protect his home against fire or his property against burglary(入室行窃). A shopkeeper may wish to insure against theft. In normal cases, the company will check its statistics and quote a premium(保险费). If it is suspicious(可疑的), it may refuse to quote. If it insures a shop and then receives a suspicious claim, it will investigate the claim as a means of protecting itself against false claims. It is not unknown for a businessman in debt to burn down his own premises so that he can claim much money from his insurance company. He can be sure that the fire will be investigated most carefully. Insurance companies also accept insurance against shipwreck or disaster in the air. Planes and ships are very expensive, so a large premium is charged, but a reduction is given to companies with an accident-free record.

Every week, insurance companies receive premium payments from customers. These payments can form a very large total running into millions of dollars. The company does not leave the money in the bank. It invests (投资) in property, shares (股票) ,farms and even paintings and stamps. Its aim is to obtain the best possible return on its investment. This is not as greedy as it may seem since this is one way by which it can keep its premiums down and continue to make a profit while being of service to the community.

小题1: The main idea of the first paragraph is that      .

A．insurance companies protect the community against disasters

B．insurance companies often collect accurate figures about the risk

C．insurance companies base their decisions on the risk involved

D．insurance companies charge different prices in the same cases小题2:The insurance company will usually investigate a suspicious claim to    .

A．refuse to quote the insurance fee

B．make sure that the claim is reasonable

C．decide how much the company should pay

D．find out when the accident happened小题3:The underlined word "premises" in Paragraph 2 most probably means"     "

A．land and buildings

B．insurance contract

C．debt papers

D．financial papers小题4:The author’s attitude towards customers’ premium payments being used by insurance companies is __

A．critical

B．doubtful

C．neutral

D．positive小题5:The purpose of this passage is to __

A．explain how insurance companies operate

B．encourage people to invest in insurance companies

C．persuade people to insure against unexpected disasters

D．advise people how to insure their life and property

（）是农业机械化技术推广服务系统和推广对象系统的联系方式。

A.沟通与互动

B.文件

C.调查问卷

D.现场会

在结合考虑用药者意愿、偏好和生活质量的基础上，比较不同治疗方案的经济合理性是

A．最小成本分析

B．成本效益分析

C．成本效果分析

D．成本效用分析

E．最小损耗分析

食物中淀粉含水量在（）时易老化。

A、10%—20%

B、5%—9%

C、30%—60%

D、80%—90%