Unit 5 Text Pioneers of Flight
课文练习：
2.1 Focusing on the main ideas
Complete the following paragraph with key information from the text.
天猫男鞋The article consists of three stories about ____1____ . The first story is about a ____2____ named Wan Hu, who made an unsuccessful attempt at ____3____ in A.D.1500. He built a spaceship powered by 47 rockets using ____4____ . His idea was ____5____ , but his dream of flight ____6____ 500 years later when China successfully launched its first manned Shenzhou V spaceship. The cond one is about the Spruce Goo, a ____7____ designed to meet the need of ____8____ troops and materials during World War II. It was made entirely of ____9____ and still holds the record for____10____. Although it was ____11____ put to u, many of its design features have been incorporated into today’s ____12____ . The last is about Leonardo da Vinci, the most famous artist of the Renaissan
ce. Apart from his great artistic work, he also drew sketches of ____13____ with flapping wings controlled and steered by ____14____ . ____15____ years later, a professional parachutist made a successful jump using a wood and canvas parachute bad on one of ____16____ .
答案：
1. pioneers of flight 2. Chine 3. spaceflight 4. gunpowder
5. crazy 6. came true 7. flying boat 8. transporting
9. the greatest wingspan 10. never 11. cargo planes 12. flying devices
13. flying devices 14. human pilots 15. Five hundred
16. da Vinci’s designs/sketches
重点句理解：
2.3 Understanding difficult ntences
Choo the answer that correctly interprets the ntence from the text.
1. Astronaut Yang Liwei brought to its fulfillment a dream that probably had its roots in a much earlier time. (Para. 1)
A) Astronaut Yang Liwei realized a dream that had probably originated long before.
B) The dream of becoming an astronaut, which Yang Liwei had probably dreamed/cherished when he was much younger, came true.
2. Although the story may em a little far-fetched, the principles of rocket-powered spaceflight are contained in Wan Hu’s crazy dream. (Para. 2)
A) Wan Hu’s crazy dream is full of principles of rocket-powered spaceflight, which are not contained in the story.
B) Although the story doesn’t sound believable, Wan Hu’s crazy dream has in it the principles of rocket-powered spaceflight.
3. The concept for construction of the Spruce Goo came from the need for more effective ways of transporting troops and materials in World War II. (Para. 4)
A) The idea of building the Spruce Goo grew out of the need for more effective movement of troops and materials during World War II.
B) During World War II, troops and materials were effectively transported by the Spruce Goo.
4. His rearch focud on the complex anatomy of birds in flight, and he bad his flying machines on this analogy. (Para. 6)
A) When he designed his flying machines, he imitated birds in flight.
绝非偶然
B) He carefully studied the shape and structure of birds and applied the principles of their flight to the design of his flying machines.
5. The three enigmatic individuals, Wan Hu, Howard Hughes, and Leonardo da Vi手指游戏教案
nci, came from places and cultures that are about as different as we can imagine. (Para. 7)
A) We cannot imagine how different their living places and cultures are when we talk about the three enigmatic individuals of Wan Hu, Howard Hughes, and Leonardo da Vinci.
B) The three enigmatic individuals, Wan Hu, Howard Hughes, and Leonardo da Vinci, cannot be more different in terms of their living places and cultures.
答案：
1. A 2. B 3. A 4. B 5. B
词汇练习：
重点词汇词组：
词汇练习：
怎么看电脑电源1.1 Fill in the blanks with words or phras from the box below. Change the form where necessary.
1. He regards learning as a daily experience as well as a lifetime ______.
2. His plan is to design a new model, into which some 酸豆角炒肉末>小茴香作用features of previous models will be ______.
3. The ship, with 1,000 pasngers ______, 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 ______ world 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 ______ of mathematics.百年好合是什么意思
7. They are working on a new ______, which calls for a(n) ______ amount of time and energy.
8. After I bought this iPad, I ______ my old computer.
9. The new law tries to maintain a balance between national interests and ______ rights.
10. The teacher drew a(n) ______ between the human heart and a pump to help students understand how it works.
银针粉11. If we teachers believe in education and ______ students’ growth, our labor will eventually pay off.
