21世纪大学实用英语练习册答案第一册Unit1Part 1 Text ExercisesI.care─careful─carefully harm─harmful─harmfully help─helpful─helpfullyhope─hopeful─hopefully pain─painful─painfully skill─skillful─skillfully success─successful─successfully thank─thankful─thankfully1 carefully2 harmful3 successfully4 thankful5 hopeful6 careful7 hopefully8 helpful9 painfully 10 painful 11 skillful 12 successfulII1 do well in one’s studies2 for the first time3 away from one’s f amily4 compete with sb. for sth.5 set a study program6 decide when to go to bed7 go to class on time 8 pass one’s exams with good grades 9 share one’s fears with sb.10 look upon oneself from a different perspective 11 a person responsible for oneself12 handle what is aheadIII.1 F2 C3 J4 D5 E 6B 7G 8A 9I 10HIV. 1 how 2 making 3 chose 4 Shortly 5 under 6 on 7 hand 8 fairly9 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 eat right 3 difficult assignments 4 to sit 5 work hardPart2I. 1A 2C 3D 4C 5 D 6C 7D 8C 9B 10 C11important 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 D21 emotion 22decisions 23 had studied 24 talking 25 assign 26 driving27 more warmly 28 addition 29 ability 30 would haveIII. 1 A 2 B 3 D 4 D 5 B6 All students7 the Head Librarian8 be repaired9 the Reading Room10 June 15th, August 15thIV. 1 A 0.5 B 2 C 0 D 1 2 A 0.5 B 2 C 1 D 03 A 0.5 B 0 C 1 D24 A 2 B 1 C 0.5 D 05 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 very well in the College Entrance Examinations and will soon enter a leading university in Beijing. I feel very proud of you and I know that you will do even better in the days to comeCongratulations!Yours Li HuaUnit2Part 1 Text ExercisesI. graduate─graduation infect─infection create─creation decide─decisioneducate─education produce─production assign─assignment develop─development achieve─achievement announce─announcement1 assignments2 production3 education4 announcement5 infection6 achievement7 decision8 creations9 development 10 graduationII. 1 honor the blind / in honor of he blind 2 make items out of leather3 take care of sb4 be at the top of one’s class5 devel op an alphabet6 deliver messages to soldiers7 be made up of dots and dashes8 keep the message secret 9 take up too much space 10 simplify the code11 be on vacation at home 12 pick up a blunt awl 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 homework8 assignments 9top 10 of 11 decided 12 whenV. Passage 1：1 C 2B 3D 4C 5BPassage 2：1 A 2D 3B 4A 5CVI.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 10D11 filled 12 millions 13 stored 14 communicate 15 Its effectII. 1B 2D 3A 4C 5C 6D 7D 8A 9B 10A 11B 12V 13A14 B 15 D 16C 17A 18B 19C 20D21 infection 22 reality 23 would to 24 simplifying 25 consumer26 poisonous 27 is being built 28 had done 29 being discussed 30 is takenIII. 1 n.1 2 n.2 3 n.4 4 v. 5 n.16 a sales manager 7better-paying job 8 Boston High School9 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.LostOn the afternoon of the 8th this month I lost my schoolbag on theplay-ground because of mycarelessness. 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 LingJune 9th, 2006Unit3PartI Text ExercisesI.tardy─tardiness lonely─loneliness thoughrtful─thoughtfullness lazy─laziness sad─sadness good─goodness careless─carelessness fit─fitness1 laziness2 goodness3 sadness4 Loneliness5 tardiness 6thoughtfulness7 fitness 8carelessnessII.1 get caught up in everyday business and concerns2 take the time to do sth.3 on the occasion of ...4 past due5 keep sb. on the straight path6 give a hand7 keep sb. from going hungry8 teach by example9 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 8 how 9 to10 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 me food 3 said no 4 stay with me 5 thank my Dad PartII Exercises for PRETCOI.1 B 2A 3B 4A 5B 6D 7C 8D 9A 10B11 arranged 12 Major 13 position 14 In this case 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 been cut 29occasion 30 belongingIII.1B 2A 3D 4B 5D6 BBC Mail Order Service7 the Central Library8 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。