本文導航
第三部分:概括大意與完成句子(第23~30題,每題1分,共8分)
閱讀下面這篇短文,短文后有2項測試任務:(1)第23~26題要求從所給的6個選項中為第2~5段每段選擇1個正確的小標題;(2)第27~30題要求從所給的6個選項中選擇4個正確選項,分別完成每個句子。請將答案涂在答題卡相應的位置上。

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