Unit 4 Text ComprehensionI. DII. TTFTFIII.1. Refer to Paragraph 2. They were in different classes, and he thought that they were both just growing up and that David had new friends form his own class.2. Refer to Paragraph 2. Because David knew he was dying of AIDS.3. Refer to Paragraph 3. The unprotected se caused it.4. Refer to Paragraph 4. He realized that their friendship meant everything to him.5. Refer to Paragraph 4. Yes, he did. Because most of his friends didnt want ot come too close to them in fear of catching the disease.6. Refer to Paragraph 7. He was put in hospital on the second of May 1996.7. Refer to Paragraph 9. Because he knew that it wouldnt be long before David was gone forever.8. Refer to Paragraph 4. Because by so doing he can keep Davids memory alive.IV1. David and I felt so young and healthy that we couldnt believe we would fall victim to any disease before the word AIDS appeared in my life.2. We didnt spend as much time together as before.3. I asked him face to face to explain why we were not friends any more.4. I couldnt go away from him when he needed me badly.5. I was unable to control any more the strong emotions which I had been trying to hold back until this moment.Vocabulary1. having a very enjoyable and exciting time.2. disconnected and refused to take my phone call3. go away form or refuse to be with4. didnt give up, still taking him to be my best friend as before5. experience so much pain and stress6. endure all the pain and sorrow by myselfII1. invincible2. stress3. confront,4. keep up5. marking6. blame7. pushing aside8. emotional9. positive10. recognizedIIIBCACDDDAIV1. carefree, careless, careless, carefree2. sick, sick, ill, ill3. disease, plague, disease, plague4. kept, keep, maintain, maintainV1. tighten, intensify, enhance2. unhappy, wretched, miserable, cheerless3. quickly, rapidly, swiftly4. negative, doubtful, pessimistic, uncertain5. benefit, profit, advantage,6. gain, increase, gather7. cautious, alert, watchful8. beginning, start, commencementVI1. unfavourable2. organization3. worthless4. imperfect5. strengthening6. ashamed7. gratitude8. youthGrammarI1. every, each/every2. everything3. anywhere4. everyday5. somehow, anything6. anyone, someone7. some8. somewhereII1. a kind of seriousness2. a kind of devotion3. people that cause joy4. the water of the stated river5. a kind of zeal6. many kinds of tea7. something that distracted8. something that made him disappointedIIICCBCDACBIV1. in2. Since3. behind4. in, by5. in6. to7. by, for, by, in/under, of8. by, of, in, around9. to, in, with, on, in10. underV.1. 2. above-over3. underbelow4. through-across5. 6. on-in7. 8. in-atVI It is no use crying over spilt milk.TranslationI.1. 我们分在不同班级，所以就不再那么经常厮混在一起了。2. 人们看他的眼神，就好像他得了瘟疫，学校里的那些朋友都不想与他交往。3. 我遭到这样的待遇，是因为十几岁的孩子们还不习惯处理这样的情况，也不知道怎么应对。4. 快到五月底时，他病情加重，医生用个透明的塑料罩子把他给围了起来，以防他受到我们身上有害细菌的侵害。II1. it is an attempt made to strengthen our competitive ability.2. The police in this district know where the thieves hang out.3. The agreement signed will break down all the barriers to free trade.4. It was a very difficult situation, but he handled it very successfully.5. He is my best friend. I just cant turn my back on him now that he needs my help.6. So long as you work hard, you are bound to succeed and realize your ambition sooner or later.7. Although he hates the job, yet he is determined to stick it out because he needs the money to support his family.8. That cancer patient kept an optimistic attitude towards his disease, persisted in combating it, and conquered it in the end.9. this university has a staff of more than 2000, including about 150 professors and over 500 associate professors.10. The concert was held to mark the 75th anniversary of the composers death.Exercises for integrated skillsIOne of the worlds most deadly health problem is spreading to new places. The problem is heart disease and it is affecting more and more people in developing nations. For years heart disease has been the number one cause of death in most industrial nations. The disease has claimed more lives than cancer or accidents. Now the WHO has warned that heart disease is increasing rapidly in almost every developing nation. Why is this happening? One reason is that people in developing nations are living longer. Another reason is that many peope have changed the way they live. They now eat more fat and salt and fewer fruits and vegetables.II.1. spread2. out3. return4. cure5. likely6. unfortunate7. about8. tend9, because10. howListeningPatient 1Robert; Flat 6, 208;2266071;High temperature and large spots;phone backPatient 2James; 17 London Road; 8595249; Broken arm; sistersPatient 3