题目内容
Part A
Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.
Why were the Wright brothers able to succeed in an effort at which so many others had failed？ Many explanations have been mentioned, but three reasons are most often cited. First, they were a team. Both men worked congenially and cooperatively, talked incessantly about the possibility of manned flight, and served as a conscious source of inspiration and encouragement to each other.
Both were glider pilots. Unlike some other engineers who experimented with the theories of flight, they experienced the practical aspects of aerodynamics by building and flying in kites and gliders. They had realized from their experiments that the most serious challenge in manned flight would be stabilizing and maneuvering the aircraft once it was airborne. While others concentrated their efforts on the problem of achieving lift for take-off, they were focusing on developing a three- axis control for guiding their aircraft.
In addition, the Wright brothers had designed more effective wings for the airplane than had been previously engineered. Using a wind tunnel, they tested more than two hundred different wing designs, recording the effects of slight variations in shape on the pressure of air on the wings. The data from these experiments allowed the Wright brothers to construct a superior' wing for their aircraft.
In spite of these advantages, however, the Wright brothers might not have succeeded had they not been born at precisely the opportune moment in history. Attempts to achieve manned flight in the early nineteenth century were doomed because the steam engines that powered the aircrafts were so heavy in proportion to the power that they produced. But by the end of the nineteenth century, when the brothers were experimenting with engineering options, a relatively light internal combustion engine had already been invented, and they were able to bring the ratio of weight to power within acceptable limits for flight.
What is the passage mainly talking about？
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Why didn't the woman sign a lease now？
听力原文：W: Did you have a good time today？
M: Oh, no, Alexandra, my job is really starting to get me down. I just don't feel inspired about it any more. I'm tried out after the long hours of work all day.
W: I thought you liked working in that computer center.
M: I did. I thought it was a decent job as a technician. But now with the long hours of typing work, it's starting to get boring to me. Our vice manager is so demanding. Almost every day he asks me to type the reports. I suddenly realized that I'm working as a typist.
W: You told me you would talk to him over lunch today.
M: No way. He talked so much and I had no chance to talk.
W: Then you should try to talk to your manager.
M: I don't see the manager very often. He is always on the road.
W: Well, there is no sense in just staying here. You should try to find another job, I'm sure there are lots of jobs you'd be good at.
M: Thanks, Alexandra. I'll see if I can find out about other jobs. I've always enjoyed working with people and I have a good head for mathematics and statistics.
W: Then why don't you apply for a job as a clerk in a bank？
M: You're probably right. I'll go there tomorrow.
What is the man's feeling about his present job？
How much will the woman pay if she rents the apartment three months？
Pigs have always had a bad press. Such expressions as "piggishness", "pig-headed", "buy pig-in-a-poke", "hog-wash", "hog-wild", and "hog-heaven", suggest how low is their esteem. Several religions proscribe "hog-wash", the animal entirely.
Pigs have been around for 35 million years and the pig's brain is thought to be inferior only to those of primates(灵长目动物)and dolphins. Because people and pigs have similar digestive, cardiovascular (心血管的) and respiratory systems, they suffer from many of the same illness. Pigs are extensively used in medical laboratory experiments for the benefit of humans and they also supply some body substances and parts for humans.
Pigs have served mankind mainly as food. Pigs can live from 12 to 15 years but are slaughtered at seven months. The selective breeding of pigs caused them to lose their natural immunities (免疫力) and they must be given shots to ward off diseases.
Pigs are relatively clean when given the opportunity, can be house-broken, are affectionate, and communicative. Some people have adopted a pig as a pet and a few pigs have become famous. Perhaps the pig is gaining a new respect — thanks to movie and TV antics of Porky Pig and Miss Piggy. "Pigs are beautiful" is the motto of porcine (像猪的) pet owners and members in 22 states and five nations, and each is the booster (支持者) of pet pigs.
The author of this article maintains ______.
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