【英语职称英语】理工类A级练习题汇总（一）

英语职称考试理工类A级练习题及答案

以下是CN人才网小编整理的英语职称考试理工类A级练习题，希望对大家有所帮助。

【1】理工类A级练习题

Plants in Desert

Only special plants can survive the terrible climate of a desert， for these are regions where the annual range of the soil temperature can be over 75℃. Furthermore， during the summer there are few clouds in the sky to protect plants from the sun's ray. Another problem is the fact that there are frequently strong winds which drive small， sharp particles of sand into the plants， tearing and damaging them. The most difficult problem for all forms of plant life， however， is the fact that the entire annual rainfall occurs during a few days or weeks in spring.

Grasses and flowers in desert survive from one year to the next by existing through the long， hot， dry season in the form of seeds. These seeds remain inactive unless the right amount of rain falls. If no rain falls， or if insufficient rain falls， they wait until the next year，or even still the next. Another factor that helps these plants to survive is the fact that their life cycles are short. By the time that the water from the spring rains disappears —— just a few weeks after it falls —— such plants no longer need any.

The perennials have special features which enable them to survive as plants for several years. Thus职称英语考试答案， nearly all desert perennials have extensive root systems below ground and a small shoot system above ground. The large root network enables the plant to absorb as much water as possible in a short time. The small shoot system， on the other hand， considerably limits water loss by evaporation.

Another feature of many desert perennials is that after the rainy season they lose their leaves in preparation for the long， dry season，just as trees in wetter climates lose theirs in preparation for the winter. This reduces their water loss by evaporation during the dry season. Then职称英语考试答案， in next rainy season， they come fully alive once more， and grow new branches， leaves and flowers， just as the grasses and flowers in desert do.

16. Ordinary plants are unable to survive in the desert mainly because of the changeable weather.

A. Right B. Wrong C. Not mentioned

17. Grasses and flowers in desert are able to survive because they stay in the form of seeds to wait for the right amount of water to come.

A. Right B. Wrong C. Not mentioned

18. Grasses and flowers in the desert whose life cycles are short shows their ability to adapt to the quick disappearance of rainwater there after it falls in spring.

A. Right B. Wrong C. Not mentioned

19. Winter is the toughest season for grasses and flowers to survive in desert

A. Right B. Wrong C. Not mentioned

20. The shoot system of perennials can help the plants absorb less of the sun's ray.

A. Right B. Wrong C. Not mentioned

21. The theme of the second last paragraph is why the perennials can survive as plants for several years.

A. Right B. Wrong C. Not mentioned

22. Desert perennials lose their leaves after the rainy season just as trees lose theirs in wetter climates before winter arrives， but the reasons for this feature are

different.

A. Right B. Wrong C. Not mentioned

参考答案：16. B17. A18. A19. C20. B 21. A22. B

【2】理工类A级练习题

Motion Sickness

Living in space looks like lots of fun. You can do certain things in space (like floating around, or pushing huge objects) that you cannot do on earth. But being in space can do things to you, too. If you stay too long in a gravity-free environment, your bones could become weak, and a small spaceship just might annoy you after a while, because space travel could make you seasick!

On July 4, 1982, after seven days orbiting the earth, astronauts Thomas K. Mattingly and Henry W. Hartsfield returned home. Although not all of the experiments on board worked properly, the flight basically seemed to be a success except for one "little" thing: early in the flight, astronaut Hartsfield became "seasick".

Thomas Mattingly, who is also a jet pilot and is highly resistant to motion sickness on earth, did much better. Mattingly sailed through space with a steady stomach. But no one knows why Hartsfield felt uneasy and Mattingly did not.

So far it seems there is no reliable way to predict who will become motion sick in outer space and who will not. in all, at least four astronauts have suffered from space motion sickness. Russian and American scientists are working together to try to understand and solve the motion sickness. Space program officials worry that if so many highly-trained pilots get sick in space, what will happen when civilians start flying in the shuttle?

Motion sickness is a disagreeable feeling that comes from the pitching, rolling, swaying, or just the moving of the object you are riding in or on. Symptoms of motion sickness include: dizziness, headache, a sinking feeling in the stomach, and vomiting.

Why does motion make some people ill?

Doctors believe that motion sickness is caused by a disturbance in the inner ear. Our ears do more than give us hearing. A part of the ears gives us a sense of balance and helps make us aware of whether we are right side up or upside down.

If you know that you get carsick or seasick, what can you do?

Speak to your doctor. There are certain medicines available that can help stop that uneasy feeling. But many of them can also make you sleepy. Usually they work best taken before you begin feeling ill.

Some people also recommend water, ice cubes, mints, or plain toast. But these remedies do not always work for everyone.

Perhaps, since motion sickness is such a big problem in outer space, researchers may soon find a way to cure the astronauts - and those of us who stay on earth.

16 Floating in space for too long a time may also do harm to one's lungs and heart.

A Right B Wrong C Not mentioned

17 At the end of the flight, Hartsfield became "seasick".

A Right B Wrong C Not mentioned

18 Mattingly was much thinner than Hartsfield.

A Right B Wrong C Not mentioned

19 Russian and American scientists are working together to solve the problem of motion sickness in astronauts.

A Right B Wrong C Not mentioned

20 Untrained civilians are more likely to suffer from motion sickness in a spacecraft

A Right B Wrong C Not mentioned

21 The motion sickness some astronauts suffered from during space travel had been caused by the defective digestive system.

A Right B Wrong C Not mentioned

22 People suffering from motion sickness during space travel can alleviate its symptoms by eating or drinking something.

A Right B Wrong C Not mentioned

参考答案：16. C 17. B 18. C 19. A 20. A 21. B 22. C

【3】理工类A级练习题

Mother Nature Shows Her Strength

Tornadoes(龙卷风)and heavy thunderstorms moved across the Great Lakes and into Trumbull County on Saturday evening.：The storms were dramatic and dangerous.

George Snyder was driving the fire truck down Route 88 when he first noticed that a funnel(漏斗状的)cloud was behind him.“I stopped the truck and watched the funnel cloud.It was about 100 feet off the ground and I saw it go up and down for a while.It was moving toward Bradley Road and then suddenly it disappeared.”Snyder said.

Snyder only saw one of the funnel clouds that passed through northeastern Ohio on Saturday.In Trumbull County, a tornado turned trees onto their sides.Some trees feel onto houses and Cars.Other trees fell into telephone and electrical wires as they went down.

Amanda Symcheck was having a party when the storm began.“I knew something was wrong，”she said.“I saw the sky go green and pink(粉红色).Then it sounded like a train rushing toward the house.I started crying and told everyone to go to the basement for protection.”

The tornado caused a lot of damage to cars and houses in the area.It will take a long time and much money to repair everything.There was also serious water damage from the thunderstorms.The heavy rains and high wind caused the power to go out in many homes.

The storms caused serious flooding in areas near the river.More than four inches of rain fell in parts of Trumbull County.The river was so hight that the water ran into streets and houses.Many streets had to be closed to Cars and trucks because of the high water.'This made it difficult for fire trucks.police cars，and other rescue vehicles to help people who were in trouble.

Many people who live near the river had to leave their homes for their own safety.Some people reported five feet of water in their homes.Local and state officials opened emergency shelters for the people who were evacuated(撤走).The Red Cross served meals to them.

“This was a really intense storm。”said Snyder. 'People were afraid。Mother Nature call be fierce.We were lucky this time.No one was killed.”

16 The weather was nice in Trumbull County on Saturday evening.

A Right B Wrong C Not mentioned

17 George Snyder was a firefighter.

A Right B Wrong C Not mentioned

18 Amanda Symcheck was having a party in the basement when the storm began.

A Right B Wrong C Not mentioned

19 Power supply system was not damaged during the stoma.

A Right B Wrong C Not mentioned

20 There had not been such a severe storm in Trumbull County for a hundred years.

A Right B Wrong C Not mentioned

21 Rescue vehicles had a hard time getting to people.

A Right B Wrong C Not mentioned

22 Several people were missing during the storm.

A Right B Wrong C Not mentioned

答案解析

16.答案为B。本题的.意思是：星期六傍晚，Trumbull县天气很好。本题句意思与原文相反。原文第一段上来就讲到当时龙卷风和暴风雨滚滚而来。

17.答案为A。本题的意思是：George Snyder是一位消防员。原文虽然没有直说他是干什么的，但提到他正开着消防车(fire truck)，由此可以推断他是消防员。

18.答案为B。本题可译为：暴风雨来临时Amanda Symcheck与别人正在地下室里聚会。原文是说他们正在聚会，但没说在地下室里聚会。而是说暴风雨来临后，他们跑到地下室里躲藏。

19.答案为B。本题可译为：暴风雨中供电系统没遭到破坏。第五段最后一句说大风和暴雨使一些家庭的供电出现了问题，与题项矛盾，故选B。

20.答案为C。本题可译为：一百年来，‘Trumbull还没有遇到过这么大的暴风雨呢。此句的意思文章中根本没有提到，故选C。

21.答案为A。本题的意思是：救援车辆费了很大劲才把人救出来。此句的意思在倒数第三段最后一句提到了，故选A。

22.答案为C。本题可译为：暴风雨中有几个人失踪了。此句的意思文章中没有提到，故选C。

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