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21世纪大学实用英语练习册答案-第一册 Unit1 Unit1

Part 1 Text Exercises I.

care─careful─carefully harm─harmful─harmfully help─helpful─helpfully hope─hopeful─hopefully pain─painful─painfully skill─skillful─skillfully success─successfull─successfully thank─thankful─thankfully

1 carefully 2 harmful 3 successfully 4 thankful 5 hopeful 6 careful 7 hopefully 8 helpful 9 painfully 10 painful 11 skillful 12 successful II

1 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 bed

7 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 foroneself 12 handle what is ahead III.

1 F 2 C 3 J 4 D 5 E 6B 7G 8A 9I 10H

IV. 1 how 2 making 3 chose 4 Shortly 5 under 6 on 7 hand 8 fairly 9 addition 10 with 11 share 12 own V.

Passage 1： 1B 2C 3A 4D 5C Passage 2： 1C 2A 3C 4A 5D VI.

1ask questions early 2 eatright 3 difficult assignments 4 to sit 5 work hard Part2

I. 1A 2C 3D 4C 5 D 6C 7D 8C 9B 10 C

11important 12 pulled out 13 rushed 14 away from 15 in front of

II. 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 have III. 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 15th

IV. 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, 2006 V. 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 HuaYours Li Hua

21世纪大学实用英语练习册答案-第一册 Unit2 Unit2

Part 1 Text Exercises

I. 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 graduation II. 1 honor the blind / inhonor of he blind 2 make items out ofleather

3 take care of sb 4 be at the top of one’s class 5 develop an alphabet 6 deliver messages to soldiers 7 be made up of dots and dashes

8 keep themessage secret 9 take up too muchspace 10 simplify the code

11 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 G

IV. 1 out 2cut 3slipped 4 best 5 infected 6 by 7 homework 8 assignments 9top 10 of 11 decided 12 when V. 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 out Part2 Exercise for PRECTCO

I. 1D 2A 3B 4D 5C 6D 7C 8B 9A 10D

11 filled 12 millions 13 stored 14 communicate 15 Its effect II. 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 taken III. 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 discharged IV. 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, 2006

21世纪大学实用英语练习册答案-第一册 Unit3 Unit3

PartI Text Exercises I.

tardy─tardiness lonely─loneliness thoughrtful─thoughtfullness lazy─laziness sad─sadness good─goodness careless─carelessness fit─fitness

1 laziness 2 goodness 3 sadness 4 Loneliness 5 tardiness 6thoughtfulness 7 fitness 8carelessness II.

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 hand 7 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 point III.

1 I 2C 3A 4H 5F 6B 7J 8D 9E 10G 11L 12 K

IV. 1 without 2 too 3 hand 4 basics 5 on 6 from 7 by 8how 9to 10 back 11 with 12 bless V.

Passage1 1 C 2C 3D 4B 5A Passage 2 1A 2C 3C 4B 5C VI. 1 I need him 2 make mefood 3 said no 4 stay with me 5thank my Dad PartII Exercises for PRETCO I.

1 B 2A 3B 4A 5B 6D 7C 8D 9A 10B

11 arranged 12 Major 13 position 14 In thiscase 15 rather than II.

1 B 2C 3A 4A 5D 6B 7D 8C 9C 10B 11D 12A 13A 14C 15B 16D 17A 18C 19B 20D

21 would stay 22must be painted 23 responsibility 24 complaints 25 judge 26 seeing 27objections 28 had beencut 29occasion 30 belonging III.

1B 2A 3D 4B 5D

6 BBC Mail Order Service 7 the Central Library 8 one 9one 10. 34.90 IV.

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, 2006