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Task 1Directions: After reading the following passage, you will find 5 questions or unfini

Task 1

Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.

Insurance is the sharing of risks. Nearly everyone is exposed to risk of some sort. The house owner, for example, knows that his property can be damaged by fire; the ship- owner knows that his vessel may be lost at sea; the breadwinner knows that he may die at an early age and leave his family poorer. On the other hand, not every house is damaged by fire, not every vessel lost at sea. If these persons each put a small sum into a pool(集体储备金), there will be enough to meet the needs of the few who do suffer loss. In other words, the losses of the few are met from the contributions of the many. This is the basis of insurance. Those who administer the pool of contributions are insurers.

The legal basis of all insurance is the policy. This is a printed form. of contract on stout paper of the best quality. It states that in return for the regular payment by the insured of a named sum of money, called the premium which is usually paid every year, the insurer will pay a sum of money or compensation for loss, if the risk or event insured against actually happens.

The premium for an insurance naturally depends upon how likely the risk is to happen, as suggested by past experience. If companies fix their premiums too high, there will be more competition in their branch of insurance and they may lose business. On the other hand if they make the premium too low, they will lose money and may even have to drop out of business. So the ordinary forces of supply and demand keep premiums at a level satisfactory to both the insurer and the insured.

According to the passage, insurance is possible because ______.

A.only a small proportion of the insured suffer loss

B.only insured people suffer loss

C.nearly everyone suffers loss

D.everyone suffers loss

答案
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A
解析:根据第一段,讲到每个人都有遭受损失的可能,但这种损失并不会降临到每一个人的头上,只有一小部分人遭受损失。所以保险是可能的,故A正确。

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第1题
Task 1Directions: After reading the following passage, you will find 5 questions or unfini

Task 1

Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.

Most insurance companies in the world are stock insurance companies or mutual insurance companies. A stock insurance company is owned by stockholders, who share in profits earned by the company. A mutual insurance company is owned by the policyholders(投保人). Profits earned by a mutual insurance company are returned to the policyholders as dividends(股息) or used to cut future insurance cost.

In addition to the private insurance organizations, certain types of insurance are provided in the U.S. by governmental organizations. A notable instance is the system of social security operated by the federal government through the Social Security Administration.

An insurance company may require a policyholder to provide proof of the ownership and the value of lost or damaged property before it pays compensation. For this reason, policyholders should have such evidence of their possessions as lists, sales receipts, appraisals(估价单), or photographs. The evidence should be kept in a safe-deposit box or other secure place outside the home.

Many companies that sell health insurance policies(保险) provide cash benefits to the insured person. A cash benefit is a fixed dollar amount for each medical expense or day of hospitalization. If the cash benefits do not cover the entire cost of medical care, the policyholder must pay the rest.

The profits earned by a mutual insurance company______.

A.are shared by the stockholders

B.are all given to the policyholders as stocks

C.are used to reduce future insurance cost

D.are used in some investment

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第2题
带反馈的电路的放大倍数Af的计算公式为()。

A.Af=Uo/Udi

B.Af=A/1-AF

C.Af=A/1+AF

D.1+AF

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第3题
正弦波振荡电路的振荡条件是()。

A.AF=1

B.AF=-1

C.AF>1

D.AF<1

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B.20张每秒,30次每秒的AE/AF

C.24张每秒,60次每秒的AE/AF

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第5题
正弦波振荡电路维持振荡的条件是()。

A.AF=1

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第6题

反馈式正弦波振荡器的平衡条件是()。

A.AF=1,φA+φF=2nπ

B.AF>1,φA+φF=2nπ

C.AF<1,φA+φF=2nπ

D.AF=1,A+φF=nπ

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第7题
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第8题
SR-TP隧道的0AM检测优先级为()检测周期为()。

A.EF 10ms

B.AF 3.3ms

C.EF 3.3ms

D.AF 10ms

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第9题
HF合并AF的死亡率上升幅度是多少?()

A.1倍

B.1.5-3.0倍

C.与有无AF无关

D.3倍以上

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第10题
反馈式正弦波振荡器的起振条件为()

A.|AF|=1,φA+φF=2nπ

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C.|AF|>1,φA+φF≠2nπ

D.|AF|=1,φA+φF≠2nπ

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第11题
反馈型LC振荡器的平衡条件()。

A.φA+φF=2nπ(n=1,2,3…)

B.AF=1

C.AF>1

D.A0F>1

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