求21世纪大学英语第一册练习册和书的答案

21世纪大学英语第一册练习册答案Unit 1Part 1 Text ExercisesI.care─careful─carefully harm─harmful─harmfully help─helpful─helpfully

hope─hopeful─hopefully pain─painful─painfully skill─skillful─skillfullysuccess─successfull─successfully thank─thankful─thankfully1 carefully 2 harmful 3 successfully 4 thankful 5 hopeful 6 careful 7 hopefully8 helpful 9 painfully 10 painful 11 skillful 12 successfulII1 do well in one’s studies 2 for the first time 3 away from one’s family 4 compete with sb. for sth. 5 set a study program 6 decide when to go to bed7 go to class on time 8 pass one’s exams with good grades 9 shareone’s fears with sb.10 look upon oneself from a differentperspective 11 a person responsible foroneself12 handle what is aheadIII.1 F 2 C 3 J 4 D 5 E 6B 7G 8A 9I 10HIV. 1 how 2 making 3 chose 4 Shortly 5 under 6 on 7 hand 8 fairly 9 addition 10 with 11 share 12 ownV.Passage 1： 1B 2C 3A 4D 5C Passage 2： 1C 2A 3C 4A 5DVI.1ask questions early 2 eatright 3 difficult assignments 4 to sit 5 work hardPart2I. 1A 2C 3D 4C 5 D 6C 7D 8C 9B 10 C 11important 12 pulled out 13 rushed 14 away from 15 in front ofII. 1B 2A 3B 4D 5C 6C 7D 8C 9B 10 C 11A 12 D 13 B 14 C 15 A 16 A 17 D 18 A 19 B 20 D 21 emotion 22decisions 23 had studied 24 talking 25 assign 26 driving 27 more warmly 28 addition 29 ability 30 would haveIII. 1 A 2 B 3 D 4 D 5 B 6 All students 7 the Head Librarian 8 be repaired 9 the Reading Room 10 June 15th, August 15thIV. 1 A 0.5 B 2 C 0 D 1 2 A 0.5 B 2 C 1 D 0 3 A 0.5 B 0 C 1 D2 4 A 2 B 1 C 0.5 D 0 5 明明： 今晚我不能和你去参加英语晚会，因为我要在家做功课，不然明天要被王先生批评的。 伟伟 August 5th, 2006V. Dear Jiang Jun, I am very glad to hear that you did verywell in the College Entrance Examinations and will soon enter a leadinguniversity in Beijing.I feel very proud of you and I know that you will do even better in the days tocome. Congratulations! Yours Li HuaUnit 2Part 1 Text ExercisesI. graduate─graduation infect─infection create─creation decide─decision educate─education produce─production assign─assignment develop─development achieve─achievement announce─announcement 1 assignments 2 production 3 education 4 announcement 5 infection 6 achievement 7 decision 8 creations 9 development 10 graduationII. 1 honor the blind / inhonor of he blind 2 make items out ofleather3 take care of sb 4 be at the top of one’s class 5 develop an alphabet6 deliver messages to soldiers 7 be made up of dots and dashes 8 keep themessage secret 9 take up too muchspace 10 simplify the code11 be onvacation at home 12 pick up a bluntawl 13 An idea comes to sb.…III. 1C 2F 3A 4J 5H 6B 7D 8K 9E 10 I 11 GIV. 1 out 2cut 3slipped 4 best 5 infected 6 by 7 homework 8 assignments 9top 10 of 11 decided 12 whenV. Passage 1：1 C 2B 3D 4C 5B Passage 2：1 A 2D 3B 4A 5C VI.1 people’s hands 2 had been blind 3 in Helen’s hand 4 understood 5 write outPart2 Exercise for PRECTCOI. 1D 2A 3B 4D 5C 6D 7C 8B 9A 10D 11 filled 12 millions 13 stored 14 communicate 15 Its effectII. 1B 2D 3A 4C 5C 6D 7D 8A 9B 10A 11B 12V 13A 14 B 15 D 16C 17A 18B 19C 20D 21 infection 22 reality 23 would to 24 simplifying 25 consumer 26 poisonous 27 is beingbuilt 28 had done 29 being discussed 30 is takenIII. 1 n.1 2 n.2 3 n.4 4 v. 5 n.1 6 a sales manager 7better-paying job 8 Boston High School 9 radio and TV sets 10 washonorably dischargedIV. 1 A (1) 2B (0.5) 3C (0) 4D (2) 2 A (0) 2B (0.5) 3C (1) 4D (2) 3 A (2) 2B (1) 3C (0.5) 4D (0) 4 A (2) 2B (1) 3C (0..5) 4D (0) 5 张小姐： 我得了重感冒，不能来校上课。特此请病假两天。附上医生的病假证明。 李红V.Lost On the afternoon of the 8th this month I lost my schoolbag on theplay-ground because of my carelessness. Inside were several textbooks, adictionary and a key to my bike. Would you please send it to me if you find it?My classroom is Room 202, Building 4. Many thanks. Wang Ling June 9th, 2006Unit3PartI Text ExercisesI.tardy─tardiness lonely─loneliness thoughrtful─thoughtfullness lazy─lazinesssad─sadness good─goodness careless─carelessness fit─fitness1 laziness 2 goodness 3 sadness 4 Loneliness 5 tardiness 6thoughtfulness7 fitness 8carelessnessII.1 get caught up in everyday business and concerns 2 take the time to do sth.3 on the occasion of ... 4 past due 5 keep sb. on the straight path 6 give a hand7 keep sb. from going hungry 8 teach by example 9 be grateful to sb. for.../ thank sb. for.10 look back 11 on one’s own 12 right to the pointIII.1 I 2C 3A 4H 5F 6B 7J 8D 9E 10G 11L 12 KIV. 1 without 2 too 3 hand 4 basics 5 on 6 from 7 by 8how 9to10 back 11 with 12 blessV.Passage1 1 C 2C 3D 4B 5A Passage 2 1A 2C 3C 4B 5CVI. 1 I need him 2 make mefood 3 said no 4 stay with me 5thank my DadPartII Exercises for PRETCOI. 1 B 2A 3B 4A 5B 6D 7C 8D 9A 10B 11 arranged 12 Major 13 position 14 In thiscase 15 rather thanII. 1 B 2C 3A 4A 5D 6B 7D 8C 9C 10B 11D 12A 13A 14C 15B 16D 17A 18C 19B 20D21 would stay 22must be painted 23 responsibility 24 complaints 25 judge26 seeing 27objections 28 had beencut 29occasion 30 belongingIII.1B 2A 3D 4B 5D6 BBC Mail Order Service 7 the Central Library 8 one 9one 10. 34.90IV.1 A (2) B (1) C (0.5) D (0) 2 A (1) B (2) C (0 ) D 0.5)3 A (2) B (1) C (0 ) D (0.5) 4 A (0) B (0.5) C (2 ) D (1 )5 亲爱的先生， 我向您送上永远的谢意感谢您为我们所做的一切。教师节快乐！ 您的学生 林明 June 8th, 2006V. Dear Mr. Brown, Weare going to have an English evening on June 15, at half past seven, in the reading-room of ourschool. Both teachers and students are going to sing songs and perform someplays. We’d very much like to have you come/ Please let us know if you’ll be able to join us. Yours sincerely Zhou Ying