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听力原文：The most spectacular thing about the sea cucumber is the way it defends itself. Its major enemies are fish and crabs, when attacked, it squirts all its internal organs into the water. It also casts off attached structures such as tentacles. The sea cucumber will eviscerate and regenerate itself if it is attacked or even touched; it will do the same if the surrounding water temperature is too high or if the water becomes too polluted.
Which of the following would NOT cause a sea cucumber to release its internal organs into the water？
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听力原文： World oil demand is slowing down, led by weaker economic growth in the U.S. and China, the International Energy Agency said Wednesday. While the agency didn't say high oil prices are damping demand, weaker economic growth is projected in the world's leading economies, as the U.S. and China lose steam from earlier strength this year and Japan's rebound is cast in doubt as investors worry about inflationary pressures caused by the high cost of energy.
For the first time in more than half a year of constant upward revisions, the IEA, advisor to the world's biggest economies, didn't change its forecasts for how much more oil the world will need.
But it did increase its estimated overall demand by 750,000 barrels a day, reflecting changes to historical data stretching back 10 years. That left world oil demand in 2004 at 82.2 million b/d, up 2.53 million b/d on the year. Growth will moderate in 2005 to 2.2%, or 1.8 million b/d, at 84 million b/d.
A global slowdown is beginning to affect oil demand, according to IEA figures.
Government efforts to cool down China's overheating economy will cut oil demand growth more than half from 24.6% in the second quarter to 9% in the third, the IEA said. But uncertainty remains about the future in China where restrictions on trucking and economic growth could push down demand, while extra refining capacity could boost it.
Why do people doubt about the pickup of Japan's economy？
听力原文：Lufthansa said Tuesday that traffic in the first seven months of this year rose 16.8 percent, helped by increased demand on Asia-Pacific routes, as well as gains in Europe and on African and Middle East routes. The German carder swung to a first-half net profit of 39 million euros from a loss of 392 million in the first half of 2003. This too was below an average analyst forecast of 105 million euros.
Which of the following is tree about Lufthansa's first-half net profit？
听力原文：There's no doubt that athletes are playing hard enough to suppress immune defenses. The normal population in Australia expects to get between three and four upper respiratory infections each year. But if you look at groups of elite athletes, about 15 percent of those athletes can have six or seven or more, even up to 11 or 12. They seem to get more vulnerable as they train harder.
Elite athletes are likely to get more respiratory infections than Ordinary people.
Which of the following is tree about China？
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