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听力原文： Two bombs exploded in Algeria Tuesday as a European Union team met with government leaders to discuss the wave of civilian massacres. One bomb went off at a bus center in the center of the capital of Algeria, killing one person, and an hour later, another bomb blew up in the coastal town of Algeria, killing 3 others. The Algerians agreed to allow European Union deputy foreign ministers to discuss the situation but again, turned down any UN investigation.
(30)
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A．A bomb explosion.B．A traffic accident.C．Murder.D．Massacres.
One motion is adopted by the Security Council only if ______.
听力原文： One way that scientists learn about man is by animals, such as mice, rats and monkeys. The scientists in this laboratory are experimenting on mice. They are studying the relationship between diet and health. At this time over one hundred experiments are going on in this laboratory.
In this experiment, the scientists are studying the relationship between the amount of food the mice eat and their health. The mice are in three groups. All three groups are receiving the same healthy diet. But the amount of food that each group is receiving is different. The first group is eating one cup of food each day, the second is eating two cups, and the third group of mice is eating three cups.
After three years, the healthiest group is the one that is only eating one cup of food each day. The mice in this group are thinner than normal mice. But they are more active. Al so they are living longer. Mice usually live for two years. Most of the mice in this group are still alive after three years. The second group of mice is normal weight. They are healthy, too. They axe active, but not as active as the thinner mice. But they are only living about two. years. The last group of mice spends most of the day eating or sleeping. They are not very active. These mice are living longer than the scientists thought: about a year and a half. But they are not healthy. The experiment is still going on. The scientists hope to finish their studies in two years. 32．According to the passage，what animals are often used by scientists to learn about man？
(33)
听力原文：M: Miss, can you give me change for a dollar so that I can make a phone call at the call box？
W: I'm sorry, sir. I'm not allowed to give change without a purchase. If you go across the hall, you'll find a change machine in front of the jewelry store.
Q: Where does the woman suggest that the man get change？
(16)
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