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Unit 2 Space Invaders习题答案综合教程四

Unit 2 Space Invaders

KEY TO EXERCISES

Text comprehension

I. Decide which of the following best states the author's purpose of writing.

II. Judge, according to the text, whether the following statements are true or false.

1. T (Refer to Paragraph 1. At the bank, one of the customers inched forward and caused other customers to advance so public order is being disrupted.)

2. T (Refer to the last sentence of Paragraph 4. Caffeine can generally help inspire the spirit of a human, and over-consumption of caffeine can make him restless.)

3. T (Refer to the first two sentences of Paragraph 5: Personal space is mostly a public matter; we allow all kinds of invasions of personal space in private. [Humanity wouldn't exist without them.])

4. T (Refer to Paragraph 6. The last two sentences convey the author's opinion on personal space: an individual's personal space should be respected, which shows a person's manners on social occasions.)

5. F (Refer to Paragraph 8. Personal space is psychological. This means when people are absorbed in their inner world, they will pay little attention to the world outside, including their personal space. By this the author intends to explain why people care less about their personal space than ever and why their personal space is shrinking. Undoubtedly, when the invasion of one's space in the physical world is perceived, he will certainly feel that his personal space is shrinking.)

III. Answer the following questions.

1. Refer to Paragraph 1. Because he wants to show the importance of personal space in maintaining public order. If one's personal space is invaded, he may, in preserving his own space, break into others' personal space. The chain action can cause chaos in public order.

2. Refer to Paragraph 2. In Paragraph 2, the author defines personal space as one's individual sphere with the self at the center and a certain distance on each side. It is part of one's privacy, the invasion of which necessarily makes one uneasy.

3. "This tendency" refers to the phenomenon exemplified in the previous paragraph, that is, the escalation of the invasion of personal space. The writer used to think this was caused by the "population explosion" via Malthusian logic. Now he starts to suspect that the season is the cause: in summer dress some people are more attractive. In addition, he suggests, in seriousness or jest, the stimulating effect of caffeine contributes to the C

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