Accidents are caused; they don't just happen. The reason may be easy to sec: an overloaded

A. causing

B. to be caused

C. be caused

D. caused

e stated conditions. Payment bonds are specifically designed to ensure that the prime contractor provides payment of ()

A.Insurance premiums

B.Weekly payrolls

C.Incremental earnec

D.Subcontractors, laborers, and suppliers of material

E.Damages for accidents caused

A．There are more casualties caused by car accidents than by air crashes

B．Many factors contribute to road safety

C．The number of injuries and deaths caused by autos is increasing

D．The weak have no equal chance to enjoy the benefits of the automobile

The passage suggests that ______.

A．accidents mostly result from slippery roads

B．accidents are usually caused by psychological factors

C．doctors run three times the normal risk of accidents in factories

D．about 50,000 people lose their lives at work in Britain every day

______no attempt to brake(刹车). When a policeman asked him, a man of 69, to read the number plate of a car parked on the【C2】______side of the road, the man said this was【C3】______, because it was foggy. In fact, it was a sunny day.【C4】______several attempts, even from【C5】______distance of two meters, the man【C6】______failed to read the number-plate【C7】______. He said he had never needed glasses, though he had been【C8】______in a similar accident the day before. The question【C9】______fitness to drive comes up every time some medical condition【C10】______to an accident like this. Last week traffic accidents【C11】______the death of two motorists, one of【C12】______died as a result of blackouts(眩晕)while driving. The【C13】______, a man whose car hit a tree, had【C14】______from blackouts gone for years. The second died【C15】______his sports car crashed at 60 m. p. h. He had a brain disease which caused him to【C16】______consciousness when he had a headache. With such cases【C17】______mind, it is not surprising that【C18】______prevention organizations are trying to【C19】______the government to introduce stricter【C20】______over drivers.

【C1】

A．made

B．done

C．given

D．had

first cigarette on their way to becoming regular smokers as adults. During their lifetime,it can be expected that of these 3000 about 23 will be murdered,30 will die in traffic accidents, and nearly 750 will be killed by a smoking-related disease. The number of deaths attributed to cigarette smoking outweithts all other factors, whether voluntary or involuntary, as a cause of death.

Since the late 1970s, when daily smoking among high school seniors reached 30 precent , smoking rates among youth have declined . While the decline is impressive ,several important issues must be raised. First, in the past several years,smoking rates among youth have declined very little. Second,in the late 1970s ,smoking among male high school seniors exceeded that among female by nearly 10 percent . The statistic is reversing.Third ,several recent studies have indicate high school dropouts have excessively high smoking rates, as much as 75 percent .

Finally, thouth significant declines in adolescent smoking have occurred in the past decade,no definite reasons for the decline exist. Within this context,the Naional Cancer Instiute (NCI) began its current effort to determine the most effecive measures to reduce smoking levesl among youth. According to the author, the deaths among youth are mainly caused by _____.

A.traffic accidents

B.smoking-related desease

C.murder

D.all of these

Every day there are over_____high school strdents who will become regular smoker.A.75

B.23

C.30

D.3000

By "dropout" the author means______.A.students who failed the examination

B.students who left school

C.students who lost their way

D.students who were driven out of school

The reason for declining adolescent smoking is that ________.A.NCI has taken effective measures

B.smoking is prevented among high school seniors

C.there are many smokers who have died of cancer

D.none of these

What is implied but not stated by the author is that ________.A.smoking rates among youth have declined very little

B.there are now more female than male smokers among high school seniors

C.high smoking rates are due to the incease in wealth

D.smoking at high school are from low socio-economic backgrounds

请帮忙给出每个问题的正确答案和分析，谢谢！

[A] evidence

[B] accidents

[C] adventures

[D] events

.

A.assist B.assure C.assemble D.contribute

A.reduced

B.decreased

C.lessened

A.A.Traffic accidents make some people become millionaires

B.B.Many people die from traffic accidents

C.C.Millions of people say they themselves have had traffic accidents

D.D.Millions of people remain healthy after traffic accidents