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阅读下面这篇短文，短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为规定段每段选择1个正确的小标题；(2)第27～30题要求从所给的6个选项中选择4个正确选项，分别完成每个句子。

There are now over 700 million motor vehicles in the world-and the number is rising by more than 40 million each year. The average distance driven by car users is growing too-from 8 km a day per person in western Europe in 1965 to 25 km a day in 1995. This dependence on motor vehicles had given rise to major problems, including environmental pollution, depletion of oil resources, traffic congestion and safety.
2. Until a hundred years ago, most journeys were in the 20 km range, the distance conveniently accessible by horse. Heavy freight could only be carried by water or rail. The invention of the motor vehicle brought personal mobility to the masses and made rapid freight delivery possible over a much wider area. Today 90 per cent of inland freight in the United Kingdom is carried by road. Clearly the world cannot revert to the horse-drawn wa

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阅读下面这篇短文，短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为规定段每段选择1个正确的小标题；(2)第27—30题要求从所给的6个选项中选择4个正确选项，分别完成每个句子。

Hepatitis is a disease characterized by inflammation of and injury to the liver. The disease has many causes, including misuse of alcohol and drugs, but viruses are the most common cause. Researchers estimate that more than 300,000 cases of viral hepatitis occur each year in the United States.
2. Symptoms of viral hepatitis appear from two weeks to six months after exposure to the virus. The first symptoms are usually fatigue, poor appetite, and nausea. Pain in the abdomen above the liver and a slight fever are also common. After a few days, the person’s urine becomes dark and jaundice appears. The jaundice and dark urine indicate the liver is not working properly.
3. Symptoms of viral hepatitis generally last two to six weeks. Severe cases can lead to liver failure and death. But most patients-even those with severe hepatitis-eventually

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