全新版大学进阶英语综合教程第二册答案U5-Key-to-rcises

1、Unit 5 Pioneers of FlightKey to ExercisesOpenerA Mighty Airplane Built by Howard Hughes in 1947LengthIt was 220 feet long.HeightIt was higher than a five-story building.WeightIt weighed about 60 tons.TripIt had to make the trip from Culver city in California to the Pacific, which is 30 miles away.Reading & InteractingI. Understanding the Text1. Text OrganizationStoryThe heroWhen it happenedHow it relates to modern aviation1Wan HuA.D. 1500Wan Hus crazy dream contains the principles of rocket-powe

2、red spaceflight.2Howard HughesOn November 2, 1947Many of the design features of the Spruce Goose have been incorporated into modern cargo planes.3Leonardo da VinciAbout 500 years agoThe flying devices with flapping wings controlled and steered by human pilots he designed still inspire people to pursue their dreams of flying freely in the sky.2. Comprehension Check2.1 Focusing on the main ideas The article consists of three stories about pioneers of flight. The first story is about a Chinese name

3、d Wan Hu, who made an unsuccessful 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 launched its first manned Shenzhou V spaceship. The second 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. Alth

4、ough it was never put to use, many of its design features have been incorporated into todays cargo planes. The last is about Leonardo da Vinci, the most famous artist of the Renaissance. Apart from his great artistic work, he also drew sketches of flying devices with flapping wings controlled and steered by human pilots. Five hundred years later, a professional parachutist made a successful jump using a wood and canvas parachute based on one of da Vincis designs/sketches.2.2 Digging into detail

5、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 wingspan. 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 Vincis 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 d

6、ream come true.2.3 Understanding difficult sentences 1. A 2. B 3. A 4. B 5. BII. Focusing on Language in Context1. Key Words & Expressions1.1 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 be incorporated.3. The ship, with 1,000 passengers aboard, was bound for New York.4. Its one thing to learn the rules of politics from books. It is quite another to get into the complex world of r

7、eal-life politics.5. At yesterdays sports meet, my roommate Brian broke the record of our school in the mens 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 a

8、nd a pump to help students understand how it works.11. If we teachers believe in education and focus on students growth, our labor will eventually pay off.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 the writer himself has witnessed.14. At the meeting, he tried to steer the discussion away from criticizing the educational experiment.15. The money was given to Ann as a sc

9、holarship, with no conditions attached.1.2 1. steer 2. behind schedule 3. ahead of his time 4. Transportation of5. confirmed 6. put on display 7. harnessing 8. had its roots in1.31. 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 not use 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 at the airport.5. A new system should be devised because the old system simply doesnt work.2. Collocation 1. We rejected the proposal as a matter of principle.2. Although I am not an American football fan, it doesnt mean I have no interest in it.3. D

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