2012年职称英语真题卫生类A(含答案解析)

mal functions return for a period of time before the system goes into relapse and the disease again becomes more active. This is the most common form of MS; 80-90% of people have this form of the disease when they are first diagnosed. The relapse-remission cycle can continue for many years. Eventually, however, Ioss of physical and cognitive functions starts to take place and the remissions become less frequent.

3 In the primary progressive form of MS, there are no remissions and a continual but steady loss of physical and cognitive functions takes place. This condition affects about 10-15% of sufferers at diagnosis.

4 The expected course of the disease, or prognosis（预后）,depends on many variables: the subtype of the disease, the patient's individual characteristics and the initial symptoms. Life expectancy of patients, however, is often nearly the same as that of an unaffected person - provided that a reasonable standard of care is received. In some cases a near-normal life span is possible.

5 The cause of the disease is unclear; it seems that some people have a genetic Susceptibility（易感性）,which is triggered by some unknown environmental factor. Onset（发作）of the disease usually occurs in young adults between the ages of 20 and 40.It is more common in women than men; however, it has also been diagnosed in young children and in elderly people.

23. Paragraph 1______

24. Paragraph 2 ______

25. Paragraph 3______

26. Paragraph 4______

A. The relapsing form of MS

B. The cause of MS

C. The primary progressive form of MS

D. The definition of MS

E. The development of MS

F. The treatment for MS