《大学英语自学教程》（上册）课后习题答案(珍藏版)Unit 1 (3)Text A (3)Text B (4)Grammar Exercises (4)Unit 2 (5)Text A (5)Text B (6)Grammar Exercises (6)Unit 3 (7)Text A (7)Text B (8)Grammar Exercises (8)Unit 4 (10)Text A (10)Text B (11)Grammar Exercises (12)Unit 5 (13)Text A (13)Text B (13)Grammar Exercises (14)Unit 6 (14)Text A (14)Text B (15)Grammar Exercises (16)Unit 7 (17)Text A (17)Text B (18)Grammar Exercises (18)Unit 8 (19)Text A (19)Text B (20)Grammar Exercises (21)Unit 9 (22)Text A (22)Text B (23)Grammar Exercises (23)Unit 10 (24)Text A (24)Text B (25)Grammar Exercises (26)Unit 11 (26)Text A (26)Text B (27)Grammar Exercises (28)Unit 12 (28)Text A (28)Text B (29)Grammar Exercises (30)Unit 13 (31)Text A (31)Text B (32)Grammar Exercises (32)Unit 14 (33)Text A (33)Text B (34)Grammar Exercises (34)Unit 15 (35)Text A (35)Text B (36)Grammar Exercises (37)Unit 16 (38)Text A (38)Text B (39)Grammar Exercises (40)Unit 17 (41)Text A (41)Text B (42)Grammar Exercises (43)Unit 18 (44)Text A (44)Text B (45)Grammar Exercises (45)Unit 19 (46)Text A (46)Text B (47)Grammar Exercises (48)Unit 20 (48)Text A (48)Text B (50)Grammar Exercises (50)Unit 21 (51)Text A (51)Text B (52)Unit 22 (52)Text A (52)Text B (53)Unit 23 (54)Text A (54)Text B (55)Unit 24 (57)Text A (57)Text B (58)Unit 25 (58)Text A (58)Text B (59)Unit 1Text AExercises for the TextI.1.d2.a3.c4.d5.dII.1.task2.intelligent3.research4.clue5.conclusion6.repeatmunicate8.purpose9.probably 10.outline III.1.Instead of2.therefore3.more...than4.even5.First of all6.because7.on the other hand8.finally9.lookingfor 10.ConverselyIV.1.Research shows that successful language learners are similar in many ways.nguage learning is active learning.Therefore,successful learners should look for every chance to use the language.nguage learning should be active,independent and purposeful.4.Learning a language is different from learning maths.5.The teacher often imparts successfull language learning experiences to us. Vocabulary ExercisesI.1.a.success b.successful c.successfully2.a.indepence b.depend c.dependent3.a.covered b.uncover c.discovered4.a.purposeful b.purposefully c.purposeII.1.inexact2.technique3.outlinedmunicate5.regularly6.clues7.intelligent 8.incomplete 9.similar10.statementIII.1.disagree2.independent3.incomplete4.inexact5.uncoverIV.1.They find it hard to master a foreign language.2.The research shows that successful men are similar in many ways.3.Successful language learners do not only depend on the book or the teacher.4.We are willingto help our friends.5.We should learn new things independently,actively,and purposefully.Text BExercises for the TextI.1.T2.F3.T4.F5.T6.F7.F8.F9.T 10.F II.1.With the help of their fingers2."I am thirsty."3.tea,coffee,wine,beer and soda-water4.Put his hands on his stomach5.nothing but drinks6.much more exact7.meanings and can be put together into sentences8.form new sentences9.talk10.speakVocabulary ExercisesI.1.b2.a3.c4.e5.dII.1.B2.A3.B4.D5.A6.A7.C8.C9.C 10.B Grammar ExercisesI.whether 连词towards 介词second 数词 hour 名词repeat 动词 successful 形容词not 副词probably 副词than 连词 because 连词which 连词 even 副词intelligent 形容词 differ 动词regular 形容词 some 形容词/代词/副词into 介词 oh 感叹词seem 系动词 communicate 动词II.1.Let 动词round 介词2.fresh 形容词for 介词3.leave 名词call 动词on 介词if 连词spare 动词4.Even 副词it 代词5.Where 连接副词will 名词6.after 介词calm 名词7.seem 系动词those 代词makes 名词8.without 介词return 名词9.strict 形容词work 动词10.news 名词live 形容词meeting 名词III.(斜体为主语，带下划线的为谓语）1.Most adults would disagree with this statement.2.How much time did they allow you for doing the work.3. I had a visit from Mary yesterday.4. China's stand on this questionis clear to all.5.Warm clothes protest against the cold of winter.6.What we need is more practice.7.There doesn't seem to be much chance of my getting job.8.In those days the cost of living rose by nearly 4 percent.9.There are a number of people interested in the case.10.Every means has been tried but without much result.IV.1.a magazine (宾语）last night （状语）2.in need (定语）indeed (定语）3.outside your area (定语）telephoning long distance （主语补足语）4.your children (宾语）all day （状语）5.his direction （宾语）French （宾语）6.me (宾语）plenty of exercises (不定式宾语）7.long (宾语）to London （状语）8.those (宾语）who help themselves (从句作定语）9.her （宾语）above others （宾语补足语）10.to build a hotel in the village (定语）of the foreigners （定语）Unit 2Text AExercises for the TextI.1.a2.c3.a4.a5.cII.1. Income tax is a certain percentage of the salaries paid to the goverment.2. Graduated income tax means the percentage of the tax(14 to 70 percent) increases as a person's income increase.3. Property tax is that people who own a home have to pay taxes on it.4. Exercise tax is charged on cars in a city.5. Sales tax is a percentage charged to any item which you buy in that state. III.1.due2.depends on3.diverse4.consists of5.simila6.tendsto plaining about 8.In addition to 9.issue 10.agreed onIV.1.How much do you charge for a haircut.2.We are trying to use funds for the Red Cross.3.He has earned a good reputation for honsety.4.We pay taxes in exchange for government services.5.An open letter protests the government's foreign policy.V.1.Every citizen is obliged to pay taxes.(It is obligatory on every citizen to pay taxes)(It is every citizen's duty to pay taxes.)2.Americans often say that there are two things they can be sure of in life.3.There are generally three levels of government in the United States; therefore,there are three types of taxes.4.Some states charge income tax in addition to a sales tax.5.Americans complain that taxes are too high and the government uses them in the wrong way.Vocabulary ExercisesI.1.a. percent b. percentage c. percent2.a. adds b.addition c. additional3.a. confused b. confusing c. confusion4.a. complained b. complain c. complaintII.1.charge2.departmen3.due4.diverse5.earns6.vary7.property8.leading 9.funds 10.tendsIII.1.China leads the world with silk products.2.In addition to an income tax some states charge a sales tax.3.The sales tax varies from price to price of any item you buy.4.People often complain about the increasing price.5.His mother says that he spends too much time on TV every day.Text BExercises for the TextI.1.F2.F3.F4.T5.T6.T7.T8.F9.T 10.FII.1.attracts2.leisure3.available4.limited5.estimateIII.1.decided on2.approved3.estimate4.carried over5.put up with6.characteristic ofIV.1.B2.C3.B4.A5.C6.DGrammar ExercisesI.1.SV2.SVO3.SVOC4.SVC5.SVO6.SVOC7.SVOC8.SVO9.SVOO 10.SVOC11.SVOC 12.SVC 13.SVOC 14.SVOO 15.SVC1.prefer2.insisted3.need4.make5.remember6.look7.worked8.was9.sounds 10.gav eIII.1.B2.C3.D4.A5.B6.C7.A8.D9.A 10.DIV.1.The two languages are different/not similar in many way.2.The deaf and dumb can neigher speak nor hear.3.The Englishman speaks a very good Italian.4.Could you pass me a cup of coffee.5.At this time he felt thirsty and hungry.6.Yesterday evening she asked me to wait for her at the gate of the restaurant.7.When did you get up this morning.8.The story sounds interesting,but it is not true.9.The meat and macaroni cost me 25 yuan.10.She oftern teaches the children to sing English songs.Unit 3Text AExercises for the TextI.1.d2.d3.c4.b5.dII.1.long/wide2.across3.deep4.around5.highIII.1.The,/,/2.The3.the,the4./5./,a6./,the7./ 8.The,the,the9.The,the10./IV.1.unwilling2.avarage3.take4.runs5.SupposeV.1.On the avarage there are 1,000 vistors a day.2.The Atlantic Ocean is only as half as the Pacific,but it is moar than 4,000 miles wide.st night it took him a long time to get to sleep.4.There are so many ads on TV that it is to remember how many there are.5.Many wrong ideas about the Atlantic made the people in Columbus'days unwilling to sail westward.Vocabulary Exercises1.a.sailed b.sailor c.sai l(n.)2.a.willing b.unwillingly c.unwilling3.a.unusual ual u ally4.a.average(n.) b.average(a.) c.averaged(v.)II.1.peak2.crew3.average4.blils5.unusual6.highway7.narrow 8.salty 9.spot10.affectedIII.1.The sailors were afraid that might meet bad weather.2.The mountain is half as high as Mount Tai.3.On the average there are 45 students in every class of the school.4.The climate affects the growth of plants.5.My work keeps pilling up.Text BExercises for the TextI.1.T2.T3.F4.T5.F6.T7.T8.T9.F 10.TII.1.three2.the earth's gravitational pull.3.it is near4.29.55.its own/reflects6.disc7.the old moon in the new moon's arms.8.outline9.the old earth in the new earth's arms10.nightVocabulary ExercisesI.1.d2.b3.a4.c5.eII.1.C2.C3.B4.A5.D6.C7.B8.B9.B 10.DGrammar ExercisesI.depend--dependence explain--explanationform--formation conclude--conclusion inform--information move--movementmean--meaning govern--governmentgraduate--graduation similar--aimilarityconfuse--confusion pay--paymentagree--agreement advertise--advertisement announce--announcement add--additiondecide--decision use--usefulnessattract--attraction mix--mixtureII.science--scientific sulless--sullessfulresponse--responsible color--colorfulnation--national revolution--revolutionaryaddition--additional help--helpfulperson--personal meaning--meaningful accept--acceptable use--usefulwood--wooden act--active III.disagree eimpractical indepe ndentuncover inexactincompletedisorder unhappyinformalinpossible inactive u ncertaindischarge dishonest i mpoliteIV.1.try n. 尝试；试验经过许多次尝试后，他们终于取得了成功。