全新版大学进阶英语第二册第五单元答案解析

Unit 5Pioneers of Flight Key to Exercises

Opener

Reading & Interacting

I. Understanding the Text

1. Text Organization

2. Comprehension Check

2.1 Focusing on the main ideas

The article consists of three stories about pioneers of flight. The first story is about a Chinesenamed Wan Hu, who made an unsuccessful attempt at spaceflight in A.D.1500. He built aspaceship powered by 47 rockets using gunpowder. His idea was crazy, but his dream of flight cametrue 500 years later when China successfully launched its first manned Shenzhou V spaceship.The second one is about the Spruce Goose, a flying boat designed to meet the need of transportingtroops and materials during World War II. It was made entirely of wood and still holds the recordfor the greatest wingspan. Although it was never put to use, many of its design features have beenincorporated into today’s cargo planes. The last is about Leonardo da Vinci, the most famous artistof the Renaissance. Apart from his great artistic work, he also drew sketches of flying devices withflapping wings controlled and steered by human pilots. Five hundred years later, a professionalparachutist made a successful jump using a wood and canvas parachute based on one of da Vinci’sdesigns/sketches.

2.2 Digging into detail

1. Because it was powered by rockets.

2. It was the biggest airplane ever built up to that time, and still

holds the record for the greatestwingspan. Besides, it was made entirely of wood.

3. No, because it was behind schedule and was not completed until well

after the war.

4. Da Vinci’s flying machines have wings that flap like birds in

flight.

5. Because it is difficult for ordinary people to understand their

passion for flight, their spirit ofinnovation, and their courage to try and make their dream come true.

2.3 Understanding difficult sentences

1. A

2. B

3. A

4. B

5. B

II. Focusing on Language in Context

1. Key Words & Expressions

1.1

1. He regards learning as a daily experience as well as a lifetime mission.

2. His plan is to design a new model, into which some features of

previous models will beincorporated.

3. The ship, with 1,000 passengers aboard, was bound for New York.

4. It’s one thing to learn the rules of politics from books. It is

quite another to get into the complexworld of real-life politics.

5. At yesterday’s sports meet, my roommate Brian broke the record

of our school in the men’s 100-meter race.

6. Jack had a hard time grasping the basic concepts of mathematics.

7. They are working on a new project, which calls for a(n) enormous

amount of time and energy.

8. After I bought this iPad, I put into storage my old computer.

9. The new law tries to maintain a balance between national interests

and individual rights.

10. The teacher drew a(n) analogy between the human heart and a pump

to help studentsunderstand how it works.

11. If we teachers believe in education and focus on students’ growth,

our labor will eventually payoff.

12. On display in the exhibition room is a new device to harness wind

power.

13. His newly published book, which has made waves in literary circles,

is based on events that thewriter himself has witnessed.

14. At the meeting, he tried to steer the discussion away from

criticizing the educationalexperiment.

15. The money was given to Ann as a scholarship, with no conditions

attached.

1.2

1. steer

2. behind schedule

3. ahead of his time

4. Transportation of

5. confirmed

6. put on display

7. harnessing

8. had its roots in 1.3

1. The artist drew a sketch of the young lady before going into a more

detailed painting.

2. Brown currently is focusing on devising/designing a new type of

washing machine that does notuse water.

3. We need to adopt a different approach to music in education.

4. Usually a label with your name and address is attached to your

suitcase before you check in atthe airport.

5. A new system should be devised because the old system simply

doesn’t work.

2. Collocation

1. We rejected the proposal as a matter of principle.

2. Although I am not an American football fan, it doesn’t mean I have

no interest in it.

3. Demand for coal is down and so are the prices.

4. Biking is a green alternative to driving.

5. Our research on climate change focuses on its effect on the

environment.

3. Sentence Patterns

3.1

1. Our reading room has many interesting books as well as the latest magazines.