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

　　第4部分:阅读理解(第31~45题，每题3分,共45分)

　　下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。

　　第一篇

　　Do Patients Trust Doctors Too Much

　　Earlier this year, the American College of Surgeons, the national scientific and educational organization of surgeons conducted a nationwide survey that found that the average patient devotes an hour or less to researching his or her surgery or surgeon. While prospective patients worry about the costs or complications of an operation, they don't necessarily look for information that would address their concerns.

　　In fact, more than a third of patients who had an operation in the last five years never reviewed the credentials of the surgeon who operated. Patients are more likely to spend time researching a job change (on average, about 10 hours) or a new car (8 hours) than the operation they are about to submit to or the surgeon who wields (支配) the knife. And many patients are satisfied with the answers they receive from their surgeons or primary care doctors, whoever those individuals happen to be.

　　I felt curious about the survey, so I called Dr. Thomas Russell, executive director of the American College of Surgeons. "There is a tendency for patients not to get particularly involved and not to feel compelled to loo