Cancer occurs when cells in the body divide without（）
A. side effects
B. prescription medicines
C. control or order
D. tolerance for pain
E. various factors
F. different genes
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奥苏伯尔认为，主要的影响迁移的认知结构变量是（）。
A. 可利用性
B. 创新性
C. 可辨别性
D. 可重复性
E. 稳定性
55（）
A. young
B. old
C. single
D. experienced
Passage One
A. Which of the following is the most appropriate title for the passage a. A New Trend in Global Tourism Industry b. Global Tourism Industry and Employment c. Global Tourism Industry and Marketing Campaigns d. Major Players in Global Tourism Industry
Oral problems can not be avoided in any way.（）
A. Right
B. Wrong
C. Not mentioned
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