题目内容

85.原位癌的主要特征是

A. 发生于子宫颈黏膜上皮
B. 是一种早期癌
C. 癌变波及上皮全层，但未浸润至黏膜下层
D. 未发生转移
E. 可长期保持原来的结构，甚至消退

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Section CDirections: In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.[音频]Question16.

A. Many species remain unknown to scientists.
B. Only a few species cause trouble to humans.
C. They help farmers keep diseases in check.
D. They live in incredibly well-organized colonies.

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Question 17.

A. They like to form colonies in electrical units.
B. They can survive a long time without water.
C. They can cause damage to people's homes.
D. They are larger than many other species.

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Question 18.

A. Refrain from eating sugary food.
B. Destroy their colonies close by.
C. Keep doors and windows shut.
Deny them access to any food.

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[音频]Question 19.

A. The function of the human immune system.
B. The cause of various auto-immune diseases.
C. The change in people's immune system as they get older.
D. The viruses that may infect the human immune system.

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85.原位癌的主要特征是

A. 发生于子宫颈黏膜上皮 B. 是一种早期癌 C. 癌变波及上皮全层，但未浸润至黏膜下层 D. 未发生转移 E. 可长期保持原来的结构，甚至消退

Question 17.

Question 18.

[音频]Question 19.

A. 发生于子宫颈黏膜上皮
B. 是一种早期癌
C. 癌变波及上皮全层，但未浸润至黏膜下层
D. 未发生转移
E. 可长期保持原来的结构，甚至消退