2012年大学英语四级考试真题 2012年12月份cet4真题

大学英语四级考试真题

2012年12月份cet4真题

partI Writing (30 minute)

注意：此部分试题在答题卡1上。

Directions:For this part ,you are allowed 30minute to write a short essay on the topic of students selecting their

fectures.You should write at least 120 words following the outline when bellow:

1.随着全球变暖现象越来越严重，我身边的着怎样的变化。

2.日常生活中，你认为怎么做才是真正的绿色生活。

On Students Selecting Lecturers

Part II Reading Comprehension (Skimming and Scanning) (15 minutes)

Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1.

For questions 1-7, mark

Y (for YES) if the statement agrees with the information given in the passage;

N (for NO) if the statement contradicts the information given in the passage;

NG (for NOT GIVEN) if the information is not given in the passage.

For questions 8-10, complete the sentences with the information given in the passage.

Gulf Wracked By Katrina's Latest Legacy-Disease, Poisons, Mold

A month after Hurricane Katrina tore through the U.S. Gulf Coast, medical experts are now struggling with the latest crisis in the region; contamination(污染).

Katrina left New Orleans and other communities tainted with oil, sewage, and possibly poisons leached from federal toxic waste sites, the U.S. Environmental Protection Agency (EPA) says.

The pollution, combined with the lack of regular medical services in the region, has raised serious questions about the safety of New Orleans and other coastal towns as people longing for home begin to go back.

"I don't think New Orleans is safe for people to return to, from a public health and environmental health standpoint," said Miriam Aschkenasy, an environmental health expert working with Oxfam America in the region.

Much of the contamination rests in the brown, filmy sediment(沉淀物) left behind by Katrina's polluted floodwaters.

Recent EPA tests of the sediment confirmed high levels of E. coli bacteria, oil and gas chemicals, and lead, as well as varying quantities of arsenic.

The health risks posed by the sediment are immediate, experts say, because the sludge(淤泥) is nearly impossible for returning residents to avoid. In New Orleans, it covers every surface that was flooded, from cars and now-dead lawns to the entire contents of flooded homes, stores, hospitals, and schools.

"When people come back, they are exposed to the sediment," said Wilma Subra, a chemist from New Iberia, Louisiana, who is analyzing the sediment. "It's in their yards and houses."

Old Pollution Resurfacing

Plaquemines Parish, a rural county on the peninsula south of New Orleans, is now covered with even more toxic sediment than it was two weeks ago, thanks to Hurricane Rita.

"Six inches up to one foot (15 to 30 centimeters) of sludge," Subra reported.

Much of the sludge in Plaquemines is the product of nearby bayous and bay bottoms, where sediment was lifted up by Katrina's and Rita's storm surges.

The sediment has been polluted over the years with industrial chemicals and heavy metals, said Subra, who tested the sediment for the Southern Mutual Help Association, a nonprofit organization in New Iberia, Louisiana.

"These water bodies have received industrial wastes for decades," she said. "This material has toxic chemicals, metals, and organic petrochemicals(石化产品)."

Matters have only been made worse by multiple oil spills caused by Katrina and Rita. According to the U.S. Coast Guard, 11 oil spills have occurred in southern Louisiana, totaling 7.4 million gallons (28 million liters) of oil, most of which has been contained.

Bacteria levels are also especially high in the Plaquemines sludge, said Rodney Mallett, spokesperson for the Louisiana Department of Environmental Quality.

"The sewage treatment plants were underwater," he explained. "Between the animal waste and the human waste, you've got a lot of bacteria."

Protection Kits

Health and environmental agencies are advising people to avoid contact with the sludge. They recommend that people wear gloves, goggles, and dust masks, and that they wash promptly if exposure occurs.

EPA officials are directing people to its Web site (https://www.360docs.net/doc/2b17902223.html,) to inform themselves of the contamination risks.

But most people returning to the area don't have computers to get that information, said Erik Olson, an attorney for the Natural Resources Defense Council, an environmental advocacy group.

"If you [do] read the Web site," he added, "you practically have to have a degree in chemistry to understand it."

To better inform people of health risks, the Southern Mutual Help Association and Oxfam America are developing a program to give every returning resident a protective kit.

Each kit would contain waterproof suits, goggles(风镜), shoe covers, and masks, along with information about potential hazards, V olunteers would give out the kits at the security checkpoints that now stand at the major entrances to affected cities.

The groups have made a hundred demonstration kits, which cost about $100 (U.S.) each to produce, and have shown them to state leaders in Louisiana.

"The governor is really in favor of this," Subra said. "We just have to determine how we're going to fund them."

Toxic Mold Blooms

In addition to the toxic sediment, sprawling blooms of mold have now taken hold in many flooded homes. "The mold is growing everywhere-homes are just coated with it," Subra said.

The problem has become so widespread that federal health officials warned Wednesday of allergic reactions and toxic responses to the mold. Professionals should be hired to clean mold that covers more than ten square feet (one square meter), they urged.

"Those [surfaces] that can't be cleaned need to be removed," said Steven Redd, chief of the Air Pollution and Respiratory Health Branch of the U.S. Centers for Disease Control and Prevention (CDC).

The effects of the mold are already surfacing in Mississippi, where respiratory(呼吸的) problems are among the illnesses doctors there are reporting.

"We're seeing a lot of asthma from inhaling the mold," said Richard Paat, team leader of a temporary East Biloxi clinic. "And mouth sores from the bad water."

Due to contact with unclean water, 33 people in the flood zone have contracted Vibrio infections, according to the CDC. The infections are caused by a family of bacteria that live in contaminated salt water. They can cause serious illness, especially in people with compromised immune systems.

To date, six people have died from Vibrio infections.

"People had open wound and walked through floodwater with sewage in it," CDC spokesperson V on Roebuck said. "And these folks were having these wounds infected with Vibrio."

Disaster Response Care

"This is a highly contaminated area," said Susan Briggs, the physician overseeing FEMA's disaster-response medical teams in Louisiana and Alabama.

Her teams have been inoculating residents for tetanus and Hepatitis A and B. Hepatitis is a danger when people are

exposed to sewage, through water or food, Briggs explained. Tetanus can occur when people cut themselves on unclean materials, as may happen when cleaning debris.

The rudimentary(根本的) living conditions in many Katrina-struck areas make it more likely that people will get sick and injured, Briggs said.

"They have no electricity, no clean water, no air conditioning," she said. "There are collapsed structures and stray animals. There are huge amounts of stray dogs, and people have been bitten."

Briggs and other doctors in the area have been treating many cases of diarrhea, rashes, and upper-respiratory illnesses.

All of these conditions are to be expected after natural disasters, according to the CDC. But it's too soon to know if these ailments are related to contamination, the CDC's Roebuck said.

"We're looking at that question," he said. "We'd like to know the answer."

1. The passage gives a description of the contamination in New Orleans after Hurricane Katrina.

2. Katrina left New Orleans and other communities tainted with oil and sewage.

3. Plaquemines Parish is now covered with even more toxic sediment that it was two weeks ago.

4. People are being advised to avoid contact with the sludge by health and environmental agencies.

5. The Southern Mutual Help Association and Oxfam America are developing a program to sell every returning resident a protective kit.

6. The conditions in New Orleans after Hurricane Katrina is special.

7. In addition to the toxic sediment, sprawling blooms of mold have now taken hold in many flooded homes, and it is growing everywhere.

8. To date, six people have died from?________.

9. The rudimentary living conditions in many Katrina-struck areas make it more likely that people will get________.

10. All of these conditions are to be expected after________.

Part III Listening Comprehension (35 minutes)

Section A

Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked [A], [B], [C] and [D], and decide which is the best answer. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

11. [A] She refuses to go to dinner.

[B] She agrees to go to dinner.

[C] She is angry.

[D] She is surprised.

12. [A] She learns English quickly.

[B] Her English isn't very good.

[C] Her English is very good.

[D] She learns new sentences slowly.

13. [A] At a bank.

[B] At an inn.

[C] On the river side.

[D] On a basketball field.

14. [A] Go to Paris again.

[B] Live in Paris.

[C] Go somewhere else.

[D] Difficult to say.

15. [A] Peter likes to do physical exercise.

[B] Peter is absent-minded in class.

[C] Peter is a naughty boy.

[D] Peter usually walks to class.

16. [A] A driving test.

[B] A traffic accident.

[C] A police movie.

[D] The best way to make signals.

17. [A] Her sister is a fashionable woman.

[B] Her sister is designing a dress.

[C] Her sister is studying Spanish.

[D] Her sister is in the Philippines.

18. [A] She is going to see a movie.

[B] She wants to see her friend.

[C] She is going to see a film that she has seen before.

[D] She is going to find out some information about the film.

Questions 19 to 22 are based on the conversation you have just heard.

19. [A] A desire to express oneself and display one's wealth.

[B] Individual taste and love for beauty.

[C] Love for beauty and a desire to impress other people.

[D] Individual taste and a desire to express oneself.

20. [A] They may be homesick and feel insecure.

[B] They are either cold or very sick.

[C] They may try to attract other people's attention.

[D] They want to protect themselves from physical injuries.

21. [A] Green.

[B] Yellow.

[C] Red.

[D] Grey.

22. [A] Reporter and fashion designer.

[B] Husband and wife.

[C] Shop assistant and customer.

[D] Teacher and student.

Questions 23 to 25 are based on the conversation you have just heard.

23. [A] She felt embarrassed in class.

[B] Her presentation received a poor grade.

[C] She had not completed her assignment.

[D] She was unable to attend her psychology class.

24. [A] She'd be able to leave quickly.

[B] She'd be less nervous.

[C] She'd be able to locate where the man was seated.

[D] She'd know when her professor arrived.

25. [A] They blush more readily than women do.

[B] They're uncomfortable when performing in front of adults.

[C] They don't respond to stress well.

[D] They blush less frequently than adults do.

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both