全新版大学进阶英语第二册第五单
元答案(总7页)
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Unit 5 Pioneers of Flight
Key to Exercises
Opener
A Mighty Airplane Built by Howard Hughes in 1947 Length Height Weight Trip
It was 220 feet long. It was higher than a five-story building. It weighed about 60 tons. It had to make the trip from Culver city in California to the Pacific, which is 30 miles away. Reading & Interacting
I. Understanding the Text
1. Text Organization Story The hero When it happened How it relates to modern aviation Wan Hu’s crazy dream contains the 1 Wan Hu . 1500 principles spaceflight. Many of the design features of the 2 Howard Hughes On November 2, Spruce 1947 Goose have been of rocket-powered incorporated into modern cargo planes. The flying devices with flapping wings controlled and steered by 3 Leonardo About 500 years human pilots he designed still da Vinci ago inspire people to pursue their dreams of flying freely in the sky. 22
2. Comprehension Check Focusing on the main ideas
The article consists of three stories about pioneers of flight. The first story is about a Chinese named Wan Hu, who made an unsuccessful attempt at spaceflight in 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. Although it was never put to use, many of its design features have been incorporated into today’s 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 Vinci’s designs/sketches. 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 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 Vinci’s flying machines have wings that flap like birds in flight.
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全新版大学进阶英语第二册第五单元答案
