Key to Unit 4

Key to Unit 4Key to ExercisesPreview1. Listen to the recording of the text and choose the statement that best reflects your understanding.1.B2. B3. D4. A5. C6. DV ocabulary1. Become familiar with the rules of word formation.1. Write down the part of speech of the following words.1. adj2. adj'3. ad/4. adv5. n6. adj7. n 8. ad/ 9. adj 10. adj ll. v 12. adj13. adj 14. adj 15. adj 16. n 17adj 18. adj19. adj 20. advNote:"Boring" and "promising" are both present participles of verbs, and "disclosed" is the past participle of the verb "disclose". In English both present and past participles are often used as adjectives.2. Translate the following expressions, paying attention to the different use of the prefix "dis-".1．不老实的人8. 一个残疾儿童2．使人极其失望的人或事9. 不喜欢这种天气3．对这个结果不满意10．中断会谈4．违抗这一命令11．不计成本5．有严重的不利之处12．解除警卫的武装6．透露他们的业务机密13．切断电源7．不同意某人14. 感到泄气3. Identify the different meanings of the prefix "un-" when it is added to a verb and when it isadded to an adjective or an adverb.1．不幸的生活6．打开酒瓶2．不必要的规定7．开始脱衣3．这不入可能。

8．揭露某些重要的事实4．这食物没人碰过。

9．拉开手提包的拉链5．做了的事情，后悔也没用了(覆水难收)。

4. Guess the meaning of "tele-'."Tele-" means "far" or "over a long distance".2. Complete the following verb + noun collocations or expressions.1. description/lock/theory2. make/receive/have/get/answer3. make/have/arrange/keep/break4. failure/life/health5. health/future/economy/result/decision6. hell/hands/eyes/a finger/voice/glass/wages/prices/hopes/issues7. time/money/trouble/Ii fe/face/country8. a gun/arms/hand/flags/cloth9. do10. one's lip, one's nails, one's tongue11. take, seize, miss, give~ have, get12. a table, one's body, somebody, ground, field, anger, nervousness, all subjects, all expenses,many pages, many miles3. Complete the sentences by translating the Chinese in the brackets according to the sentence patterns in bold.1. where he claimed to have discovered the dead body (or: where he said he had discoveredthe dead body)2. where they secretly produced drugs3. where they can find business opportunities4. Living on the sixth floor of the building was an old man (or: On the sixth floor of thebuilding lived an old man.)5. Deep in the forest stood a little hut6. Seated in the front row were7. Between the two hills runs a little stream/creek8. Had they decided to withdraw their troops earlier9. had you gone down the mine10. Had they accepted/taken/listened to his advice4. Fill in the blanks with the correct prepositions or adverbs.1. into, on, in, For, for2. to, into, with, for3. By, in. against, with, to, before4. as, of, on. for5. in, to~ of6. off, over, to7. for, in8. after, in5. Rewrite the following sentences using the words or expressions in the brackets.1. He did not fit the description of a great scholar. For one thing, he was half naked. Foranother, he slept by the roadside of a busy city, hardly a setting for a philosopher.2. I wish I knew how they learned about this secret missile.3. Her face suggested a ripened apple, and she was otherwise very strong except for the lossof both her legs.4. They made an appointment in a restaurant that evening, where the waiter quickly slipped anote into the spy's hand concerning the secret message.5. We waited for almost one hour and the food we ordered still did not come. I decided toraise the devil with the management.6. The government has promised that it will not hesitate to punish those who deal in cheating,gambling, black marketeering, and prostitution.7. Had the authorities agreed with the plan. it would have brought a lot of problems. Luckilyit was turned down and no harm had been done.8. We must make sure that the nuclear power stations are absolutely safe. We can'ttake chances.9. I think we should mind our own business. But I will check on him anyway.6. Translate the following sentences into English.1. Don't let them take it for granted that we will accept their conditions/terms. We arc nofools, and we won't be so easily taken in.2. It took us only three years to double the income of our villagers.3. If they do not take back their remarks and apologize, I am going to raise the devil withthem.4. The problem we raised is complicated. Many things have to be taken into consideration.But we have to take our chances.5. The boy takes after his Dad He is full of curiosity. Give him a toy, and he will immediatelytake it apart.6. Y ou must make sure that they take you to the manager. Tell them that it's very importantand may affect our investment plan, and therefore you must see him in person.7. They told the passengers that the sky had cleared up and the plane was about to take off inhalf an hour.8. I suggest you go and check if the man you have arrested fits the descriptions of the wantedman.9. Do you mean that it will affect the relationship of our two countries if we take this step'? 7. Fill in the blanks with the correct form of the appropriate word or phrase in the brackets.1. except, except for 6. hard-, hardly2. effect, affect 7. am used to3. ordinary, common 8. glanced at4. cause, cause, course 9. staring at5. used to 10. gazing atGrammar1. Study the use of as in the examples and combine each pair of sentences. Leave out or replace words as required.1. Joe said goodbye to his family and friends as he got on the tram at Union Station.2. As my grandfather is getting old. his memory is getting poorer, but his experience is beingbroadened.3. As Chinese people are becoming richer, they are spending more money on their children'seducation.4. As she made slow but steady progress with her English, her self-confidence grewgradually.5. As Christmas approached, the children got excited6. As he has a problem communicating with other people, the young man finds it difficult tomake friends in his new workplace.7. It is difficult to take full notes in our history class, as our teacher speaks too fast.8. The children can hardly find time for fun, as they have so much homework to deal with.9. Peace talks will be held between the two countries, as neither side wants lighting to breakout again.10. As it was getting late and there was still a long way from home, 'ac decided to pass thenight in a motel.2. Study the passive voice in the examples and turn the underlined verb in each of the sentences into the passive form.1. Passengers were informed that the airport was closed due to terrorist threats.2. The names of the prize winners arc to be announced in a week.3. His report on the progress of the peace talks has been published in several newspapers.4. Much of normal business is done these days by voice or electronic devices.5. All passengers are required to go through strict security checks.6. When you're insulted, you've got to protest.7. In the cotton mill women workers arc not paid the same wage as men.8. Nowadays children no longer accept whatever their parents say, and the parents' authorityis often challenged.9. The visitors were invited to speak at the meeting to the students of the department.10. More effort should be made to prevent than to punish crime.11. During our three-day visit to Japan, we were deeply impressed by the clean streets there.12. The artist's best paintings has been collected and kept in the museum in his hometown. 3. Fill in each blank of the passage with ONE suitable word.(l) time (2) buy (3) instead (4) with (5) did(6) pushed (7) nobody (8) When (9) what (10) used 4. Translate the sentences into English following the instructions listed below.1. using adverbial clauses of time or reason introduced by as1. As the final exams are coming nearer, students have stopped playing computer games,and they are busy preparing for them.2. As time goes by. it becomes easier to forgive and forget.3. The couple sat and listened as their daughter told them about her first day at school.4. As we approached the 21st century, we keenly felt the need for understanding andcooperation between nations.5. As he is learned as well as humorous, Professor Y ah is very popular with his students.6. As many important people will go to the party, the couple think they should be seenthere, too.2. using the passive voicel. Three subway lines are being built in the city.2. Shakespeare's works have been translated into many languages and read all over theworld.3. Almost half of the crops in the area have been destroyed in the rainstorm.4. lf you were asked to list ten people you admire, who would you name?5. What would you do if you saw a stranger being bullied?6. Their friendship is based on shared dreams and interests.5. Identify and correct the mistake(s) in each of the sentences.1. I don't think I'm being fairly treated.2. The boy did not want his parents to divorce because/as he loved them both.3. Y our grandma will be taken good care of when you're away.4. I won't go to the movie. For one thing, I've seen it; for another, I’ve got work to do.5. As time went by, his anger died down.6. Pan is a businessman dealing in seafood.7. Had there been a balcony, A usable might not have defeated his enemy, Max.8. The street is lined with gardens. The fields are planted with crops, pears, and palm trees.9. When nobody was looking, a dark-haired beauty slipped something into the spy's pocket.10. Why is it so quiet in the classroom? Aren't the children having a music class?。