【正文】 ll stay at home this evening rather than go / going out.5. Most people are content to let perfect days happen at random rather than plan / planning for them.Comprehensive ExercisesI. Cloze(A) 1) at sea 2) Turning over3) reverse 4) got to5) repay 6) gratitude7) assembled 8) immersed in9) unloading 10) swift(B)1) Instead 2) possession。s life with stardust. Expresses her loving gratefulness to her grandson.Language Sense EnhancementI. 1) decades 2) undergoing3) had done wrong 4) wele reassurance5) appreciated 6) brought back 7) relatives 8) acplish9) consume 10) representingLanguage FocusVocabulary1. 1) sprinkled 2) in turn3) reversed 4) repay5) at sea 6) traditional7) statement 8) longed for9) in secret 10) unloaded11) weep 12) under way2. 1) stretch out 2) make out3) hope for 4) turns (it) over5) put away 6) brings back7) got to 8) go about3. 1) As supplies of traditional fuels diminish, people are working to increase the use of solarenergy.2) We accord high priority to meeting the challenges of economic and environmental development in the region.3) While it is true that children of today are exposed to more information than were children of the past, it does not follow that they automatically bee more sophisticated.4) Since she borrowed those books from the library she has been immersed in British history and culture.5) Everything changed in a flash on June 1, 2000 when he lost both legs in a serious traffic accident.4. 1) I39。assurance brought to him by the writer39。s economic growth due to the fact that imported oil has absorbed 40% of its foreign exchange / because imported oil has absorbed 40% of its foreign exchange.4. 1) Jacob looked back on his summer holidays spent on the Big Island of Hawaii with itsbeautiful landscape and tranquil atmosphere as a rare escape from the madness of urban life. 2) Learning in the information era is really convenient and efficient. With your puter hooked up to the internet, you can easily obtain the electronic resources relevant to your research.3) Detectives, who believe more than one person is behind the constant attacks in the suburb, are using a sophisticated puter system to analyze specific behavior and situations. However, they are also aware that they shouldn’t rely too much on puter because it may make errors at times..II. Collocation1. away 2. inside/in3. forward/through 4. back5. off 6. home7. back, down 8. in, outIII. Usage1. Internet is not such an unusual word as it used to be.2. Most men do not look unattractive in them.3. Wealthy as she is, she is not unconcerned by her sudden unemployment.4. This claim is not unrealistic in view of a sharp decrease in the city39?！盠ANGUAGE PRACTICE1. d e f b g a h c2.1) trial 2) activist3) equality 4) arrested 5) transportation 6) representatives7) legal 8) boycotts 9) fame 10) representation 11) ushered in 12) lain in honor / in state Unit 3 SecurityText AContent Questions1. No.2. No.3. It has been replaced by an era when people employ various secuirty devices at home.4. Small notices announcing that the premises are under surveillance by this security force or that guard pany.5. The insurance pany tries to impress the public that it will ensure your safety by paying for your losses.6. An atmosphere of fear and distrust.7. Because they feel threatened and want to keep outsides away.8. No. They are by now the most sophisticated of security sites.9. It is a way to hold the terrorists, real and imagined, at bay.10. To tell whether their friend or client is telling lies.11. All is done in the name of “security”. But according to the author, America, with all this “security”, is perhaps the most insecure nation in the history of civilization.12. We may have locked the evils out, but in so doing we have locked ourselves in.Text Organization1. Parts Paragraphs Main IdeasPart One Paras 13 In America, the era of leaving the front door on the latch has drawn to a close.Part Two Paras 415 A new atmosphere of fear and distrust has crept into every aspect of daily life. As a result, security de vices, in varied forms, are put to use.Part Three Paras 1619 By locking our fears out, we bee prisoners of our own making.2.1) Doors are not left unlocked either in cities or in rural areas.2) Deadbolt locks, security chains, electronic alarm systems and trip wires are widely in use.3) Suburban families have steel bars built in sliding glass doors.4) Small notices warning against burglary are monly seen pasted on the windows of the most pleasant of homes.5) Access cards are required of those who work with medium to largesize panies.6) Airport security uses electronic Xray equipment to guard against terrorism.7) Businessmen employ new machines linked up to their telephone to help determine whether the caller is telling lies or not.Suburban housewives wear rape whistles on their key chains. Language Sense EnhancementI. 1) electronic 2) hooked up to3) suburban 4) built in5) unmon 6) announcing 7) survaillance 8) symbol9) featured 10) attached toLanguage FocusVocabulary1. I. 1. 1) threathens3) civilize5) wandered7) without so much as 9) hook up to11) chart2. 1) narrowed down3) cut off5) wear (the other) down7) put up2) by a small margin4) closed up6) paste8) sideways10) universal12) Bathed in2) looked back on 4) fit into 6) lies in 8) stand for3. 1) A certain gene which is likely to make people vulnerable to asthma has been found