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Unit 1> Caring for Our Earth Passage A （三）、

1. Answer: A tree frog has taken up residence in my studio.

Answer: He stopped and turned around and just sat there looking at me. 2. Answer: Possibly the tone of my computer sounded to him like other tree

frogs.

3. Answer: Frogs were dying around the world.

Answer: Frogs were being found whose skin was like paper. Answer: Frogs are an “indicator species”. 4. Answer: The frogs have a message for us.

Answer: We must be the adults for the planet.

Answer: There are no boundaries, that there is no more time.

（四）、Answer: greenhouse residence communicate wired humming message sensitivity indicator

（五）、Answer: 1. d 2. a 3. b 4. e 5. c 1. tone threatening 2. sensitivity smell 3. affected climate 4. tap resources 5. concerns environment

（六）、 Answer: 1. subtle 2. were overtaken 3. species 4. decades 5. boundaries 6. audio 7. directly 8. focus 9. tone 10. cupped

（七）、 Answer: 1. at that rate 2. For the sake of 3. come to 4. by hand 5. vice versa （八）、1. 年轻人有时会抱怨无法和父母沟通。(communicate with)

Answer: Young people sometimes complain of being unable to communicate with their parents. 2. 能在中国云南的一个苗家村落住下来一直是玛丽长久以来的梦想，现在她终于梦想成真了。(to take up residence)

Answer: It has been Mary’s long cherished dream to take up residence in a Miao village in Yunnan, China. Now her dream has finally come true.

3. 家养的动物习惯于依赖人，因此很难能在野外活下来。(survive)

Answer: Domestic animals are used to depending on humans, so it is difficult for them to survive in the wild.

4. 他突然有种恐惧感，觉得自己会因为经济不景气而被公司裁员。(overtake)

Answer: He was suddenly overtaken by a fear that he would be laid off by the company because of depression.

5. 我估计公交路线上堵车了，因为我都等了30分钟也没见一辆车开过去。(figure)

Answer: I figure that there is a traffic jam on the route of the bus, for I’ve waited for 30 minutes without seeing one passing by.

（九）、Answer: In spite of trade frictions, the US cannot do without China or vice versa.

Answer: If you find yourself working without efficiency, you’d better relax for a while. Answer: The speaker glanced around the audience this way and that before he started speaking. Answer: My father’s opinion on my job change sounded to me like a warning.

Answer: The labor union agreed to give up a pay increase for the sake of more job opportunities. （十）、Answer: The sandstorm is a horrible phenomenon. The clouds of dust are so heavy that

you can hardly breathe. It is so dark that it may cause trafic accidents.

Answer: Droughts result from lack of water, which is essential for plants and animals. The failure of crops leads to food shortage, and sometimes even famine.

Answer: The flood washes away houses, destroys ields, and causes life and property losses. People may be left homeless and suffer diseases.Causes: The increase of disasters is mainly caused by human activities. With the growth of population, we need more resources from the Earth. Deforestation, over-cultivation, together with other factors, lead to the imbalance of the ecosystem. And this in turn causes more natural disasters. Passage B

Think about it:

1. What is Mission Zero?

Answer: It is a goal set by Interface that the company will eliminate any negative impact Interface has on the environment by the year 2020. 2. What can we do to achieve sustainability?

Answer: We can start doing something first, then do something else. Only when everyone in our society is involved can we expect to transform our entire system into a sustainable one. 3. Do you know you can figure out the meaning of a new word just by the context? Answer: Open. （十三）、Answer:

1. indicating the use of a lot of a particular thing

e.g. The labor-intensive products such as shoes, clothes, toys, hardware and so on, come primarily from small enterprises.

As agriculture has become more knowledge-intensive, farmers have greatly improved output with less land and labor.

2. without a particular thing

e.g. As the punishment for drunk driving is getting more severe, the sale of alcohol-free beer is on the rise.

Part of the attraction to the island is that tourists can buy imported goods there at duty-free prices. 3. having a very close and friendly relationship

e.g. Our client-intimate service contributes much to the growth of the company.

The GPS is designed in a user-intimate approach, and you can easily find your way just by a few touches on its screen.

4. partner or associate in an activity or job

e.g. As the proud co-sponsor of the conference, we come not only to offer our support, but also share our experience.

Penn, co-author of National Food And Agriculture Policy, has served for three years as a senior economist at the United States Department of Agriculture. 5. in a better, faster or further way

e.g. For the first time, smartphones have out-sold PCs in terms of number of units in the first quarter of this year.

Using keywords in the title of your blog posts helps out-rank others in search engines. （十五）、

1. 十年前，当公司还处在生产的鼎盛时期时，我们就决定投资新技术，将公司转型为技术密集型 企业。由于拥有先进技术，我们在激烈动荡的市场竞争中脱颖而出。现在我们的成

本下降了百分之三十，销售业绩却上涨了三分之二，利润翻了一番。

Answer: Ten years ago, when our company was at the height of its production, we decided to invest in new technologies, so as to turn our company into a technology-intensive one. With our advanced technologies, we out-competed all our competitors in the rough and tumble of the marketplace. Now we have reduced the cost by 30 percent, even as / while our sales have grown by two-thirds and the earnings have doubled.

2. 我们将可持续性定义为保持企业盈利，但不以环境为代价。从商业的角度看，这合理吗？事实上，在追求可持续发展目标的过程中，我们的收益已经超过了所有的投资和开支。可持续发展的推进起到了如此重要的作用，帮助我们撑过了史上最深重的经济衰退。

Answer: We define sustainability as keeping a business profitable, but not at the expense of the environment. Does this make good business sense? Actually, what we get has more than offset all the investments and expenses incurred in pursuit of the goal of sustainable development. The boost of sustainability made such a difference that it helped us survive the deepest recession in the history.

（十六）、

Answer: from bad to worse Answer: loss of hope

Answer: fuels like petroleum and coal. Answer: very dry

Answer: a movement away from a place （十七）、

Answer: 这一举措在竞争艰难而残酷的市场上胜过了所有对手。 Answer: 代沟明显表现在消费上：年轻人什么都会去买，而老年人则喜欢节俭。 Answer: 机器的发明使世界进入了一个新纪元——工业时代，金钱主宰了一切。 Answer: 每个人的生活都有酸甜苦辣。 Answer: 麦肯立博士竭尽全力唤起公众对严峻的环保问题的关注。 Answer: 那条消息让我毛骨悚然。 Answer: 她在演讲中用了许多术语，听众听得莫名其妙。 Answer: 这些问题盘根错节，三言两语说不清楚。

Unit 2> Nobel Prize Winners Listen and Talk

Answer: 1. invitations 2. around the world 3. reach 4. institution 5. specially appointed experts 6. vote 7. diploma 8. medal 9. is followed by 10. including Passage A

Think About It:

1. What do you think makes a successful scientist?

Answer:1. Curiosity, patience, determination, genius, persistence ... 2. What kind of boy was Einstein in his parents’ eyes?

Answer:2. They might have thought him slow because he hardly spoke until he was almost three years old.