全新版大学进阶英语第二册第五单元答案

Unit 5 Pioneers of Flight

Key to Exercises

Ope ner

Read ing & In teract ing

I. Un dersta nding the Text

2. Comprehe nsion Check

2.1 Focus ing on the main ideas

The article consists of three stories about pioneers of flight. The first story is about a Chinese n amed Wan Hu, who made an un successful attempt at spaceflight in A.D.1500. He built a spaceship powered by 47 rockets using gunpowder. His

idea was crazy, but his dream of flight came true 500 years later when China successfully laun ched its first manned Shen zhou V spaceship. The sec ond one is about the Spruce Goose, a flying boat designed to meet the need of transporting troops and materials during World War II. It was made entirely of wood and still holds the record for the greatest wingspan. Although it was never put to use, many of its design features have been incorporated into today ' s cargo

planes. The last

about Leon ardo da Vinci, the most famous artist of the Ren aissa nee. Apart from his great artistic work, he also drew sketches of flying devices with flapp ing wi ngs con trolled and steered by human pilots. Five hundred years later, a professi onal parachutist made a successful jump using

a wood and can vas parachute based on

one of da Vinci ' s designs/sketches.

2.2 Diggi ng 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 greatest win gspa n. Besides, it was made en tirely 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 of

innovation, and their courage to try and make their dream come true.

2.3 Un dersta nding difficult senten ces

1. A

2. B

3. A

4. B

5. B

II. Focus ing on Lan guage in Con text

1. Key Words & Expressi ons

1.1

1. He regards lear ning as a daily experie nee as well as a lifetime missi on.

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

will be incorporated.

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 in to the complex world of real-life politics.

5. At yesterday ' s sports meet, my roommate Brian broke the record of our school

in the men ' & 10fler race.

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

7. They are worki ng on a new project, which calls for a(n) enormous a mount of

time and en ergy.

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

9. The new law tries to maintain a balanee between national interests and individual rights.

10. The teacher drew a(n) analogy between the human heart and a pump to help stude nts un

dersta nd how it works.

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

' growth, our labor v eve ntually pay off. 12. On display in the exhibition room is a new device to harness wind power. 13. His n ewly published book, which has made waves in literary circles, is based on eve nts that the writer himself has witnessed. 14. At the meeting, he tried to steer the discussion away from criticizing the

educati onal experime nt. 15. The money was give n to Ann as a scholarship, with no con ditions attached.

1.2

1.3

young lady before going into a more detailed

pain ti ng.

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

1. steer

2. beh ind schedule

3. ahead of his time

4. Tran sportati on of

5. con firmed

6. put on display

7. harn ess ing 8. had its roots in 1. The artist drew a sketch of the