2012年职称英语考试综合类冲刺试卷及答案(4)

第三部分：概括大意与完成句子(第23～30题，每题1分，共8分)
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个选项中为第2～5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。请将答案涂在答题卡相应的位置上。

23. Paragraph 1___________________
24. Paragraph 2___________________
25. Paragraph 3___________________
26. Paragraph 4___________________
A. Does cancer always cause pain?
B. Can cancer be prevented?
C. What is cancer?
D. How common is cancer?
E. What causes cancer?
F. How is cancer treated?
27. Cancer occurs when cells in the body divide without
28. Gene alterations may be caused by
29. Treatment for cancer may also bring about some
30. Cancer patients may differ in their
A. prescription medicines
B. control or order
C. tolerance for pain
D. various factors
E. different genes
F. side effects