2025年全新版大学英语综合教材第四册第二单元testA课后答案.doc

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Vocabulary I.
1. 1) expansion 2) automated 3) vapor 4) take control of
5) hazards 6) satellite 7) vibrated 8) magnetic
9) bunched 10) in the air 11) got/was stuck in 12) approximately
2. 1) send out 2) stand up for 3) pass for 4) were closing in on
5) starting up 6) went through 7) fill out 8 ) fall into
3.
1) … incorporates all the latest safety features
2) …two trees ten feet apart
3) … awarding lucrative contracts to his construction firm
4) … the prototype of a new model before they set up a factory to make the cars.
5) … are correlated in all racial groups
4.
1) the application, remote, has turned into a reality, are poised to
2) that vibrate, can detect, frequency
3) lanes, are mounted in, alert a, hazard

II. Word Formation
Clipped Words:
kilo kilogram memo memorandum
gym gymnasium lib liberation
doc doctor vet veterinarian
prep preparatory auto automobile
flu influenza
Blends:
Medicare medical care email electronic mail
comsat communications satellite newscast news broadcast
skyjack sky hijack Eurodollar European dollar
brunch breakfast and lunch telecast television broadcast
Oxbridge Oxford and Cambridge
III. Usage
1. swimming pool 2. drawing board 3. enriched Middle English
4. disturbing change 5. fully developed prototype 6. Canned foods
7. working population 8. puzzling differences
Comprehensive Exercises
I. Cloze
1. 1) computerized 2) start up 3) be poised to 4) alert 5)hazards
6) monotonous 7) take control of 8) steer 9) lane 10) decrease
11) calculate 12) eliminate 13) getting stuck in 14) mounted
15) detect 16) vapor
2. 1) generates 2) related 3) revolutionized 4) enabled
5) opportunities 6) overall 7) manufacturing 8) dependent
9) interact 10) fatalities
II. Translation
1. 1) There was an unusual quietness in the air, except for the sound of artillery in the distance.
2) The expansion of urban areas in some African countries has been causing a significant fall in living standards and an increase in social problem.
3) The research shows that atmospheric carbon dioxide levels are closely correlated with global temperatures.
4) The frequency of the bus service has been improved from 15 to 12 minutes recently
5) The diver stood on the edge of the diving board, poised to jump at the signal from the coach.
2. Automobiles have, since their invention, revolutionized transportation, changing forever the way people live, travel, and do business. On the other hand, they have brought hazards, especially highway fatalities. However, today the application of computer technology and electronic sensors in designing and manufacturing cars makes it possible to eliminate most of traffic accidents. For example, electronic sensors mounted in your car can detect alcohol vapor in the air and refuse to start up the engine. They can also monitor road conditions by receiving radio signals sent out from orbiting satellites and greatly reduce your chances of getting stuck in traffic jams.