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第6部分：完形填空 (第5卜65题，每题1分，共15分) 阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案，涂在答题卡相应的位置上。 What Is Anthrax(炭疽)? ThereS been a lot of talk about anthrax on the news lately.Some people are worried that anthrax may be connected to terrorist attacks or that terrorists may spread the germ that _____(51)the disease.Federal officials and police are investigating this and taking ______(52)to protect us. In the meantime，itS important not to panic over anthrax.The chances that you and your Family________(53)at risk are very tiny.One of the ways you can feel better is to leam about anthrax.When you know what it is and_____(54)you can get it，it doesnt seem quite as scary. So，what______(55)is anthrax? Here are the facts on anthrax： Anthrax is a bacterial infection caused by a germ Although itS most common in farm _____(56)，like sheep，COWS，pigs，horses，and goats，thereS a very small chance that people can get it，too， Anthrax spores(孢子)(a version of the germ in a protective shell that can live in the soil for years)cause the disease.People may get anthrax if they are exposed to anthrax_____(57)But hereS the important part：just being exposed to these spores doesnt mean that a person will get_____(58). | 
