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2. A billion years later, the planet had cooled, and the continents and the great bodies of water had formed. This can be seen in Paragraph 3. ? Section B

Comprehension of the Text II.

3. Despite their short time on Earth, however, people have brought about enormous changes to the surface of the planet – changes far out of proportion to the interval of time they have occupied it. This is clear in Paragraph 5.

4. As the number of people on Earth increases, it becomes increasingly hard for the population to survive on the resources of the land. This is obvious in Paragraph 7. ? Section B

Comprehension of the Text II.

5. People are only a very small fraction of all living things on the planet. Yet their numbers create a drain on resources that can’t be renewed. This is clear in Paragraph 8.

6. Human activities can cause or speed up permanent changes in natural systems. This is obvious in Paragraph 10. ? Section B

Comprehension of the Text II.

7. In spite of rapid population increase and industrial growth, some groups of people, often in remote areas, have been able to live in peace with the planet, This can be seen in Paragraph 11.

8. Now that they are aware of the causes of the sickness of our planet, they seek ways to help the Earth, to give back what they take away. This is clearly presented in the last paragraph. ?

Vocabulary: III.

1. outcome 2. permanent

3. exceeding 4. likewise 5. accelerate 6. retain 7. ignorant 8. shortage 9. duration 10. protective ? Vocabulary IV

1. Now that I am retired, I find I am spending more and more time on charity work, which I am very happy to take part in.

2. His suggestions are in harmony with the aims of the project.

3. In other words, 95% of the students have passed the entrance examination and been admitted to universities.

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4. We go abroad for a week or ten days every year, but I think we have a very simple life compared with many.

? Vocabulary IV 5. Since coal is formed from plants, which are chemically very complicated, its own chemical make-up is very complex.

6. During his stay in the countryside, he took to smoking. 7. The father was ignorant of the boy’s secrets.

8. The earthquake that took place last week brought about ten thousand deaths and destruction of half of the buildings in the area. ? Vocabulary IV

9. The lawyer said to the old man: “If you die before you have made a will, the law will decide the distribution of your property, which may not be in accordance with your wishes.” 10. The changes that have taken place over the past several years – both in terms of the marketplace and in the changing expectations of our patients –– increasingly require that our physicians be kind to their patients. unit 7 Section A

Vocabulary III.

1. modernize 2. interpret 3. distributing 4. punctually 5. conservation 6. maximum 7. exported 8. conquer

9. classification 10. recreation IV.

1. by name

2. in high gear 3. turned out 4. At times 5. as to 6. stem from 7. put in

8. on the subject of 9. in the interest of 10. work on V.

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1. D 2. G 3. N 4. B 5. I 6. M 7. E 8. J 9. L 10. A

Collocation VI.

1. life 2. economy

3. conversation 4. politics 5. country 6. garden 7. industry 8. literature 9. interview 10. meetings

World Building VII.

1. seaward: going toward the sea

2. backward: directed toward the back, the beginning, or the past; returning; behind in development

3. earthward: toward the earth

4. outward: toward the outside; away; on the outside, appearing to be true but perhaps not really true

5. southward: going toward the south 6. northward: going toward the north 7. homeward: going toward home

8. inward: moving toward the inside; on the inside; of the mind or spirit VIII.

1. interchangeable 2. intermingle 3. interconnected 4. interdependent 5. interplay 6. intermarriage 7. interpersonal

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8. interactive

Sentence Structure IX.

1. As to what actually happened to the headquarters 2. As to where I should go to further my study

3. as to how different they are and why we want to keep them both

4. as to whether or not I should remain at the college working as a teaching assistant 5. as to whether the old hardware is to be replaced by new hardware

X.

1. There is no use trying to help those who do not help themselves

2. it is no good trying to solve the issue between the nations by means of war 3. There is no sense refusing to accept it 4. There is no point in having a load of money

5. there is no harm in spending some time thinking about what sort of career you might wish to pursue

Translation XI.

1. An interesting question therefore remains as to how far Microsoft can go with Gates as its CEO.

2. There’s / It’s no use complaining since nothing ever changes as the result of a complaint. What’s important is to take measures to prevent similar events from happening.

3. Learn to accept the fact that some people you thought were friends turn out to be enemies. 4. As you would expect from the book’s title, there are many references to what kind of man Gates is.

5. The prosperity of the company stems from hardworking and thrifty of the entire staff. 6. He said nothing at all on the subject of the play which was put on fro the first time Saturday night.

XII.

1． 至于那天晚上他是怎么死的，事实上我无法解释，而且也许不会有任何可能的解释了。 2． 做了一件事然后说自己本来不想那样做是没有用的；如果你不想做，你就不会做了。 3． 微软公司正在研究降低其产品成本的方法，以便发展中国家的人也能买得起。 4． 苹果公司也愿意将其部分软件与微软公司的产品捆绑在一起，以促进其销售。

5． 与评价父亲不同，人们评价母亲依据的是其为母之道的成功或失败。对于母亲来说，一切都取决于孩子最终成为什么样的人。

6． 人们会发现这个网站很有价值，因为我们投入了大量时间准备网站的信息。 Cloze XIII. 1. A 2. B 3. C