大学体验英语综合教程课后答案Unit12

1、Unit 1 Caring for Our EarthPassage A（三）、窗体顶端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 a

2、re no boundaries, that there is no more time.三窗体底端 （四）、Answer: greenhouseresidencecommunicatewiredhummingmessagesensitivityindicator（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

3、母沟通。(communicate with)Answer: Young people sometimes complain of being unable to communicate with their parents.2. 能在中国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 Marys 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。(overta

4、ke) 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 Ive 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, youd better relax for a while.Answer: The speaker glanced around the au

5、dience this way and that before he started speaking.Answer: My fathers 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

6、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 BThink about it:1. Wh

7、at 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. indic

8、ating the use of a lot of a particular thinge.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 thinge.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 ther

9、e at duty-free prices.3. having a very close and friendly relationshipe.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 waye.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

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