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1、第一单元答案Unit One Man and NatureEnhance Your Language Awareness Words in Action Working with Words and Expressions1. In the boxes below are some of the words you have learned in this unit. Complete the following sentences with the words given. Change the form where necessary. Answers:1) spark2) compell
2、ed3) bare4) scrape5) destruction6) output7) retreat8) tipped9) miracle10) eternal11) pile12) transfer13) mass14) thereby15) have emerged16) trigger17) threaten 18) consumed19) hollow2. In the boxes below are some of the expressions you have learned in this unit. Complete the sentences with them. Cha
3、nge the form where necessary. Answers: 1) show signs of2) cope with3) lives in fear of4) tough it out5) cut down6) from head to foot7) searched out8) nothing short of9) As yet10) settle in11) take heart Increasing Your Word Power 1. You will read six pairs of words which are similar in meaning but a
4、re different in usage. Reflect on the differences in usage between the words in each group and fill in each blank with a proper one. Change the form if necessary. Answers: 1) temptation2) attraction3) chance4) opportunity5) states6) country7) warned8) threatened / threatens 9) refuse 10) reject 11)
5、total 12) gross2. A blend is a word produced by combining parts of other words, such as “comsat” from “communications” and “satellite”. Try to find out what words the following blends are formed from. You may consult a dictionary if necessary. Answers: BlendFormationMeaningsmogsmoke + fog烟雾blogweb +
6、 log博客brunchbreakfast + lunch早午餐 （早餐和午餐合为一餐）autocideautomobile + suicide撞车自杀chunnelchannel + tunnel海峡隧道motelmotor + hotel汽车旅馆netizennet + citizen网民sci-fiscience + fiction科幻小说workaholicwork + alcoholic工作狂wi-fiwireless + fidelity无线网络3. Fill in the blanks in Column B with an adjective in Text A. The ta
7、rget adjective must be opposite in meaning to the one in Column A and must form a correct collocation with the noun in Column C. Answers:1) individual 2) contradictory 3) destructive 4) rational 5) primitive 6) synthetic 7) distant 8) pessimistic 9) irreplaceable 10) enormousGrammar in Context 1. St
8、udy the following sentences from Text B and point out the grammatical function of each of the present participles used as an adverbial. Answers:1) an adverbial of accompanying circumstances2) an adverbial of accompanying circumstances3) an adverbial of result4) an adverbial of result5) an adverbial
9、of manner; accompanying circumstances6) an adverbial of result7) an adverbial of time2. Complete the following sentences by translating the Chinese in the brackets into English, using a present participle as an adverbial. Answers:1) killing thousands upon thousands of people2) raising the average yi
10、eld by 15 percent3) trying to deduce its operating principle4) Seeing that everyone was bending over his / her book5) Not having heard from his parents for a long time6) leaving the project unfinished7) Turning to the right 8) Not wanting to make the patient nervous Cloze Complete the following pass
11、age with words chosen from this unit. The initial letter of each is given. Answers: (1) realm(2) elemental(3) obtain(4) stubbornly(5) transferred(6) transformed(7) subdued(8) expansion(9) irreplaceable(10) extinct(11) dynamic(12) verge(13) moderate(14) ecological(15) rationalTranslation1. Translate
12、the following sentences into English, using the words and expressions given in brackets. Answers for Reference: 1) The village is so close to the border that the villagers lived in constant fear of attacks from the enemy.2) In only twenty years the country was transformed into an advanced industrial
13、 power.3) Seeing the project successfully completed, those who had invested so much time and energy in it felt very proud.4) Given the current financial situation, it is inevitable that the US dollar will be further devalued.5) There are so many vehicles nowadays that the roads in this area are bare
14、ly adequate to cope with the present traffic.6) The weather showed no signs of getting better so the government called upon us to get prepared for floods.7) Alice had been confined to bed for over 10 years after the traffic accident, and so her recovery seemed nothing short of a miracle. 8) The stud
15、ents were all very much concerned about the World Cup, spending at least two hours every day watching the live matches on TV.9) Thomas said that his family had settled in Florida more than half a century ago. 10) Ask for help. Dont tough it out yourself. I learned this lesson early in my life.2. Tra
16、nslate the following passage into English. Answers for reference:Human beings live in the realm of nature. They are not only dwellers in nature, but also transformers of it. With the development of society and its economy, people tend to become less dependent on nature directly, but indirectly their
17、 dependence grows.Human beings are connected with nature by “blood” ties. No one can live outside nature. However, the previous dynamic balance between man and nature has shown signs of breaking down. Problems such as the population explosion, ecological imbalance and the shortage of natural resourc
18、es have become major factors keeping human society from being further developed.Professor Spirkin holds that the only choice for human beings is the wise organization of production and care for Mother Nature.Theme-Related Writing Write an essay of no less than 150 words on the topic “My Understandin
19、g of Environmental Protection”. Your writing should cover the following points:1) the relationship between man and the environment2) the urgency of environmental protection3) ways to protect the environment Sample essayMy Understanding of Environmental ProtectionMan and the environment are closely r
20、elated. Man relies on the environment for water, food and shelter. A harmonious relationship between man and the environment is essential for human survival on the earth.However, man and the environment have never been on such bad terms as they are now. As society develops, mans transformation of na
21、ture has severely polluted his living environment. Deforestation leads to changes in rainfall patterns, causing devastating floods, droughts and sandstorms. The discharge of chemical pollutants endangers our health and the lives of other beings. And mass production has resulted in the shortage of ir
22、replaceable natural resources such as coal and oil. If we take no immediate and effective steps to protect our environment, human beings may be the next species to become extinct.We should do our best to protect our environment by planting more trees, taking care of wildlife, reducing industrial wastes, using renewable energy, and imposing heavy fines on environmentally-unfriendly activities, so as to preserve the environment for future generations.(167 words)第 4 页