大学英语综合教程第一册Unit 7课后练习答案

Unit 7
Part II Text A
Text Organization
i.

Parts Paragraphs Main Ideas Part One Paras 1-13 While Kate was putting the groceries away and her two sons were heading for the railroad, a train was approaching. Part Two Paras 14-33 Anthony prevented a horrible railroad accident and saved the lives of the Pritchard children at the risk of his own. Part Three Paras 34-35 Anthony and the Pritchards became great friends. 2.
Scenes Paragraphs Main Events
Scene 1 Paras 14-27 Anthony jumped from the train, covered Todd, reached out
with one arm to grab Scott and pull him clear of the track. Then he pushed downward on the two children with all his strength.
Scene 2 Paras 28-33 Anthony got Kate to call the police and ambulance. In the
meantime, he was holding Scott for fear that any movement could worsen the internal injuries he might have.
Vocabulary
I. 1.1) nearby 2) signaled
3) resumed 4) spotted
5) instant 6) exploded
7) swaying 8) messing around
9) leaped 10) grabbed
11) loose 12) horror
13) punched 14) calculate
15) clear of
2. 1) The comet is visible to the naked eye as a fuzzy ball in the western sky.
2) Application papers may be sent via e-mail.
3) The city government feeds and shelters the homeless children.
4) He was warned by his brothers to keep clear of the street gang.
5) I'd like to draw your attention to the fact that the students' enthusiasm about the project has cooled down.
3. 1) He struggled with the big rock lying in the middle of the road, lifted it with all his strength.
and got it out of the way just before the train flashed by with a full load of freight.
2) Sam fell off the horse, injuring his back, twisting his left arm and scraping his knee. Fortunately, the back injury was not serious, and he recovered in two weeks. After the incident. Sam never dared to mess around with the horses on the farm again.
3) The driver pulled on the brake the instant he saw two kids jumping up and down on the road. But he knew that the car would not stop in time. In an effort to keep the car from injuring the kids, he swung left, and the car crashed into a big tree before coming to a stop.
II. Usage
1. The sound of the engine became thunderous.
2. He exploded: "Why didn't you tell me earlier!"
3. The fireman sprang through the window into the room.
4. He froze when he faced the audience.
5. He stared at me in shock.
6. Every morning, the policeman on duty will see thousands of cars flash by.
7. The plane crashed into the mountainside, killing all aboard.

III. Word Formation
1. possibility 2. highly 3. amazement 4. violation
5. widened 6. neighborhood 7. fulfillment 8. determination

Structure
1. 1) making 2) to kill 3) to ask 4) to think 5) pending
6) being spoken 7) to pay 8) practicing

2. 1) With Christmas only a week away
2) With his physical condition improving day by day
3) With our GDP growing steadily
4) With all the shops closed

Comprehensive Exercises
(A)
1. inciden

t 2. leaping 3. instant 4. spotted 5. horror
6. calculating 7. grab 8. clear of 9. loose 10. reach out
11. all my strength 12. scraped 13. punched 14. internal
(B)
1. had 2. when 3. with 4.before 5. for
6. herself 7. with 8. on 9. house 10. other/older
11. too12. and 13. speak 14. to 15. come
16. out 17. When 18. what 19. of 20. like

I. Cloze
II. Translation
The instant the professor entered the classroom, the words on the blackboard "Welcome Back Professor" drew his attention. He had been injured in a car accident, and had had several operations in a nearby hospital. The doctor calculated his chances of survival to be no more than 10%. Now, not only had he recovered from his injury, but he was also able to resume teaching. Every student felt excited at the sight of him, and minutes passed before the class cooled down.

Part III Text B
Comprehension Check
1. a2. b 3. c 4. d 5. a 6. d 7. b
Language Practice
1. plunged 2. wrapped 3. squeeze 4. shivering 5. hang on
6. collapsed 7. presence 8. conceal 9. pressure10. crushed
11.snapped 12. trapped 13. pray 14. nowhere 15. up to