概括大意与完成句子（第23-30题，每题1分，共8分）

　　下面的短文后有2项测试任务：(1)第23-26题要求从所给的6个选项中为第1-4段每段选择1个最佳标题；(2)第27-30题要求从所给的6个选项中为每个句子确定1个最佳选项。

　　Parkinson's Disease

　　I Parkinson's disease affects the way you move. It happens when there is a problem with certain nerve cells in the brain. Normally, these nerve cells make an important chemical called dopamine (多巴胺). Dopamine sends signals to the part of your brain that controls movements. It lets your muscles move smoothly and do what you want them to do. When you have Parkinson's, these nerve cells break down. Then you no longer have enough dopamine, and you have trouble moving the way you want to.

　　2 No one knows for sure what makes these nerve cells break down. But scientists are doing a lot of research to look for the answer. They are studying many possible causes, including aging and poisons in the environment. Abnormal genes seem to lead to Parkinson's disease in some people. But so far, there is not enough proof to show that it is always inherited.

　　3 Tremor (颤抖) may be the first symptom you notice. It is one of the most common signs of the disease, although not everyone has it. Tremor often starts in just one arm or leg or only on one side of the body. It may be worse when you are awake but not moving the affected arm or leg. It may get better when you move the limb or you are asleep. In time, Parkinson's affects muscles all through your body, so it can lead to problems like trouble swallowing or constipation (便秘). In the laterstages of the disease, a person with Parkinson's may have a fixed or lank expression, trouble speaking, and other problems. Some people have a decrease in mental skills.

　　4 At this time, there is no cure for Parkinson's disease. But there are several types of medicines that can control the symptoms and make the disease easier to live with. You may need to take several medicines to get the best results.

　　23. Paragraph 1 __________.

　　24. Paragraph 2 __________.

　　25. Paragraph 3 __________.

　　26. Paragraph 4 __________.

　　A. Means of Diagnosis of the Disease

　　B. Tips for Patients with the Disease

　　C. Common Treatment for the Disease

　　D. Definition of Parkinson's Disease

　　E. Possible causes of the Disease

　　F. Typical Symptoms of the Disease

　　27. You'll find it hard to move the way you want to __________.

　　28. A lot of research is being done to find out __________.

　　29. One of the most common signs of Parkinson's is tremor__________.

　　30. A person with Parkinson's has to learn to live with the disease__________.

　　A. what affects muscles all through your body

　　B. if there isn't enough dopamine in your body

　　C. which cannot be cured yet

　　D. which may be the first symptom you notice

　　E. if you have a fixed or blank expression

　　F. what causes Parkinson's disease

　　参考答案及解析

　　23．D [解析]即帕金森综合征的定义。本段的中心意思是告诉大家什么是帕金森氏综合征。

　　24．E[解析]即导致疾病产生的可能原因。本段主要探讨的是这种疾病发生的原因。

　　25．F[解析]即疾病的典型症状。本段告诉我们帕金森氏综合征的一些典型的病症，如颤抖、吞咽困难及便秘，等等。

　　26．C [解析]即通常的治疗方法。从本段我们知道，虽然还不能治愈，但是通过几种药物是可以控制患者的病症的。

　　27．B[解析]即如果你不再有足够的多巴胺就会发现你想随心所欲的行动变得困难。根据第一段我们知道这里应该选B。

　　28．F[解析]即科学家做了很多研究试图发现导致帕金森综合征的病因。从第二段的叙述我们知道应该选F。

　　29．D [解析]即帕金森病最常见的病症是颤抖，它可能是你发现的第一个症状。从第三段的叙述我们知道应该选D。

　　30．C [解析]患帕金森综合征的人必须得学会同这种疾病共处，因为现在人们还无法治愈它。从最后一段我们得知应该选择C项。

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