He is a reliable man, and you can totally rely_____ him.

A．too impulsive a man

B．a too impulsive man

C．too an impulsive man

D．too impulsive man

floor of the building. Immediately, realizing the seriousness of the whole incident, he gave over to the investigation a ground floor room with a small waiting - room leading off it and took charge himself, leaving his second -in -command to take over all other cases.

He interviewed the first witness almost at once, making sure that every thing was done that could be done to put him at his ease. However, the wit ness was evidently nervous and Burton took considerable pains to go over the ground thoroughly, choosing and checking each word to be precise and taking the man's statement down in longhand himself. The witness had called the police, he'd waited until the ambulances began to arrive then when the first police car arrived on the scene he'd been asked to report to the station which is what he had done.

Burton explained that regrettably it would be necessary for him to go to court because of the serious nature of the disaster. More he could not say at present. He'd be grateful if the man would stay in contact with the police.

When he had gone, Burton put his head in his hands and considered be fore asking for the next witness. He couldn't be regarded as a hundred per cent witness because he had been behind a wall when the explosion occurred. But in spite of his nerves, Burton had the impression that he was reliable, not afraid of incriminating himself and a fairly accurate observer.

Well, there would be other accounts and no doubt all these would be slotted into place like a jigsaw and the whole picture would become clear. He raised his bead and pressed the buzzer on his esk.

"a hundred percent witness" most probably means ______.

A．be was patient and talkative

B．he was a totally reliable witness

C．he was well - informed

D．he was the only person interviewed in the incident

Henry Ford was the first one to build cars which were fast, reliable(可靠的)and cheap. He was able to sell millions of them because he "mass-produced" them, that is, he made a great many cars of exactly the same type. Henry Ford's father had hoped his son would become a farmer, but the young man did not like the idea and went to Detroit where he worked as a mechanic.

By the time he was twenty-nine, in 1892, he had built his first car. The first "Massproduced" car in the world, The famous "Model T", appeared in 1908 five years after Henry had started his great Ford Motor's time, massproduction techniques have become common in industry and have reduced the price of a great many products which otherwise would be very expensive.

The passage mainly tells us ______.

A．how Henry Ford started his motor company

B．Henry Ford was a famous car producer

C．mass-production was introduced to the car-production industry by Henry Ford

D．Henry Ford was the first industrialist to build cars

听力原文：M: Ms. Dawson, what were you doing when the man with the mask took his gun out？

W: Oh, it was so terrible. I was just talking with the bank clerk when he pointed the gun to me and told me to lie down on my face.

Q: What are they talking about？

(15)

A．A case of bank robbery.

B．The search for the reliable witness

C．The interview with the bank clerk.

D．The terrific detective story.

听力原文：W: I feel so uneasy about trusting David with our money, How about you？

M: Some people say he's not reliable, but others have a lot of confidence in him. I'm willing to give him the benefit of the doubt.

Q: What does the man mean？

(18)

A．He thinks David is not reliable.

B．He's willing to trust David.

C．He has told his doubts to David.

D．He thinks David will benefit from this experience.

听力原文：W: I feel so uneasy about trusting David with our money. How about you？

M: Some people say he's not reliable, but others have a lot of confidence in him. I'm willing to give him the benefit of the doubt.

Q: What does the man mean？

(14)

A．He thinks David is not reliable.

B．He's willing to trust David.

C．He has told his doubts to David.

D．He thinks David will benefit from this experience.

component as reliable as possible and the need to build everything as light as possible. The fact that an airplane is up in the air and cannot stop if anything goes wrong, makes it perhaps a matter of life or death that its performance is absolutely dependable.

Given a certain power of engine, and consequently a certain fuel consumption, there is a practical limit to the total weight of an aircraft that can be made to fly. Out of that weight as much as possible is wanted for fuel, radio navigational instruments, passenger seats, or freight room, and of course, the passengers or freight themselves. So the structure of the aircraft has to be as small and light as safety and efficiency will allow." The designer must calculate the normal load that each part will bear. This specialist is called the "stress man". He takes account of any unusual stress that may be put on the part as a precaution against errors in manufacture, accidental damage, etc.

The stress man's calculations go to the designer of the part, and he must make it as strong as the stress man says is necessary. One or two samples are always tested to prove that they are as strong as the designer intended. Each separate part is tested, then a whole assembly—for example, a complete wing, and finally the whole aeroplane. When a new type of aeroplane is being made, normally only one of the first three made will be flown. Two will be destroyed on the ground in structural tests. The third one will be tested in the air.

When a plane has passed all the tests it can get a government certificate of airworthiness, without which it is illegal to fly, except for test flying.

Making the working parts reliable is as difficult as making the structure strong enough. The flying controls, the electrical equipment, the fire precautions, etc. must not only be light in weight, but must work both at high altitudes where the temperature may be below freezing point and in the hot air of an airfield in the tropics.

To solve all these problems the aircraft industry has a large number of research workers, with elaborate laboratories and test houses, and new materials to give the best strength in relation to weight are constantly being tested.

The two main requirements of aircraft design are______.

A．speed and cost

B．reliability and passenger comfort

C．lightness and dependability

D．ability to stay up in the air and reliability

They have always regarded a man of ______ and fairness as a reliable friend.

A．robustness

B．temperament

C．integrity

D．compactness

the basic necessities of life such as food, clothing and shelter.

To obtain these necessities on a regular basis, a person must have a reliable income. But we have other needs which we would probably also describe as basic, for example, health and education facilities and security.

All of these we may define as our needs. But most of us would be far from satisfied if we had nothing more than these provided for us. We all enjoy having extra income to spend on things such as books, sports, or hobbies. Sometimes we save some of this extra income to provide for future expenditure of this type on holidays, for example. So in addition to our basic needs, we must add our wants. Our standard of living is the degree to which these needs and wants are satisfied.

Why are we far from satisfied with our basic needs？

A．Because we should save extra money for future expenditure.

B．Because we have other wants in addition to our basic needs.

C．Because we all enjoy reading books.

D．Because man is never satisfied even if he has everything he wants.

years in prison after a jury wrongly convicted him of raping two women. At Jackson's trial, although two witnesses testified that Jackson was with them in another location at the times of the crimes, he was convicted anyway. Why？ The jury believed the testimony of the two victims, who positively identified Jackson as the man who had attacked them. The court eventually freed Jackson after the police found the man who had really committed the crimes. Jackson was similar in appearance to the guilty man. The two women had made a mistake in identity. As a result, Jackson has lost five years of his life.

The two women in this case were eyewitnesses. They clearly saw the man who attacked them, yet they mistakenly identified an innocent person. Similar incidents have occurred before. Eyewitnesses to other crimes have identified the wrong person in a police lineup or in photographs.

Many factors influence the accuracy of eyewitness testimony. For instance, witnesses sometimes see photographs of several suspects before they try to identify the person they saw in a line-up of people. They can become confused by seeing many photographs or similar faces. The number of people in the line-up, and whether it is a live line-up or a photograph, may also affect a witness's decision. People sometimes have difficulty identifying people of other races. The questions the police ask witnesses also have an effect on them.

Are some witnesses more reliable than others？ Many people believe that police officers are more reliable than ordinary people. Psychologists decided to test this idea, and they discovered that it is not true. Two psychologists showed a film of crimes to both police officers and civilians. The psychologists found no difference between the police and the civilians in correctly remembering the details of the crimes.

Despite all the possibilities for inaccuracy, courts cannot exclude eyewitness testimony from a trial. American courts depend almost completely on eyewitness testimony to resolve court cases. Sometimes it is the only evidence to a crime, such as rape. Furthermore, eyewitness testimony is often correct. Although people do sometimes make mistakes, many times they really do identify individuals correctly.

American courts depend on the ability of the 12 jurors, and not the judges, to determine the accuracy of the witness's testimony. It is their responsibility to decide if a certain witness could actually see, hear, and remember what occurred.

In a few cases, the testimony of eyewitnesses has convicted innocent people. More importantly, it has rightly convicted a larger number of guilty people; consequently, it continues to be of great value in the American judicial system.

What is the main idea of the passage？

A．Bernard Jackson spent five years in prison for no crime of his own.

B．Eyewitness testimony, although sometimes incorrect, is valuable.

C．Police officers are no better eyewitnesses than civilians are.

D．American courts rightly convict a larger number of guilty people.