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Which of the following is TRUE？
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SECTION B INTERVIEW
Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions.
Now listen to the interview.
听力原文： Ok, good afternoon, ladies and gentlemen. In previous weeks we talked about different types of pollution and this week I want to focus on air pollution, with air pollution caused by the car. It's well known that cars are the main cause of air pollution in cities, which comes up to 60% in some cities and in others even as high as 90% of all air pollution caused by the car. Cars contribute a great deal to the air pollution in our cities, and this will get worse as the number of cars increases in the cities.
Firstly, I'd like to talk about how cars cause air pollution. How does a car cause air pollution？ Well, you are all familiar with the internal combustion engine. There's a mixture of petrol which explodes and this explosion helps propel a car forwarD．Unfortunately, in this process there are some poisonous chemicals which remain, and these poisonous chemicals mainly come out of the back of the car through the exhaust.
Now, it's not just what comes out of the car exhaust that is dangerous, the brakes also cause pollution. The brakes on cars give off asbestos, and as you know asbestos is... is a highly dangerous substance and can kill us.
And thirdly, the tires themselves give off small rubber particles which are not very good for health. We need to find solutions to this problem. I'm going to talk about 4 possible solutions.
Firstly, we should try and discourage the use of cars. We could do this by putting higher taxes on petrol or we could make cars more expensive. We could put the price of cars up.
Secondly, we might encourage alternative methods of transport. For example, recently in Shanghai, you've built a subway, which takes some of the pressure off the roads. Some people would use the subway rather than using cars. In addition, we could improve public transport, make it more comfortable, safer, and more regular so that the people will use public transport rather than cars. Next, we could also use cleaner fuels rather than petrol. For example, we might use natural gas in the future or we might experiment with battery group in cars.
And lastly, we could try mechanical means for reducing the amount of chemicals that are
emitted, which come out of cars, which come out of the exhaust pipe. We could fix things called catalytic converters to exhaust pipes. These are something... these are a device which are fixed over to the exhaust, which controls the carbon monoxide, which reduces the amount of dangerous chemicals that cars give off.
Now it's unlikely that any one of these solutions will work on its own. I'm pretty sure that it would take a combination of all four of these solutions to solve the problem.
The speaker thinks that
随着经济的增长，社会可提供更多的就业机会，因此充分就业和经济增长的宏观经济政策是一致的。
理财规划师预计某项目受益率为15%的概率是0.4，收益率为20%的概率是0.2，收益率为8%的概率是0.4，那么该项目的预期收益率是()(计算过程保留小数点后四位，计算结果保留小数点后两位)。
听力原文： A 23-day search operation that begins Thursday will include 84 Americans and their Vietnamese counterparts split in the eight teams. The spokesman for the operation said four of the teams are currently in the midst of a dry season. The spokesman said Vietnam turned over 67 sets of remains which the Vietnamese believed to be of Americans last year, the most since it began returning such remains in the early 1980s. Vietnam first allowed American search teams into the country in 1988 and the first consisted of just three men.
Vietnam has turned over hundreds of sets of remains since the end of the war in 1975. So far 280 such sets have been positively identified as the remains of missing Americans. The remains are examined by forensic specialists at the U.S. military laboratory in Hawaii.
The fates of more than 2,200 American servicemen who are missing in southeast Asia remain unsolved. 1,648 of those are listed as missing in Vietnam or its waters. In an interview with the Associated Press, Major General Thomas Needham, the search operation commander, said he was pleased with the process being made to account for the missing men. He said he and his teams were allowed to go wherever they wished in Vietnam. General Needham said he constantly pushed the Vietnamese to find and hand over more documents about the missing men.
General Needham said that he didn't believe the Vietnamese government was holding back remains. However, he said some individuals who had come across remains were holding them back in the hope of being paid for them. The U.S. does not pay for remains.
In the related development, the U.S.military announced Wednesday that Admiral Charles Lawson, the commander-in-chief of the Pacific, will visit Vietnam beginning January 16th. Admiral Lawson will visit the American Missing-in-Action Office in Hanoi, discuss the issue with the Vietnamese officials and travel south to observe the excavations. Admiral Lawson will become the highest ranking U. S. military officer to visit Vietnam since the end of the War. Admiral Lawson's visit and extensive search come at a time when officials in Washington say the question of the U. S. trade embargo against Vietnam is under active review.
Ann Butler for VOA news, Bangkok.
How many missing American servicemen have been positively confirmed dead in Vietnam so far？
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