Ⅰ. Match each word in the passage with the correct meaning.
1. device
2. entirely
3. theory
4. require
5. mission
6. frequent
Ⅱ. Tell whether the following sentences are true (T) or false (F).
(
(
(
(
(
Ⅲ. Answer the following questions.
1. Why is the movie The Wandering EarthⅡ mentioned in paragraph 1?
2. What does the underlined phrase "the idea" in paragraph 3 refer to?
3. What is paragraph 4 mainly about?
1. device
a
2. entirely
f
3. theory
e
4. require
d
5. mission
c
6. frequent
b
Ⅱ. Tell whether the following sentences are true (T) or false (F).
(
T
) 1. People show great interest in the elevators in The Wandering EarthⅡ.(
F
) 2. An American scientist thought people could travel to space by elevator.(
T
) 3. Scientists suggested building an elevator between a satellite and Earth.(
T
) 4. Chinese scientists invented the longest tube with a perfect structure.(
F
) 5. Using elevators will cost more money than travelling by rockets.Ⅲ. Answer the following questions.
1. Why is the movie The Wandering EarthⅡ mentioned in paragraph 1?
To introduce the topic of space elevators.
2. What does the underlined phrase "the idea" in paragraph 3 refer to?
Building a tower high enough to reach space for space elevators.
3. What is paragraph 4 mainly about?
The challenge of the cables' material for building space elevators.
答案：Ⅰ.
1. a
2. f
3. e
4. d
5. c
6. b
Ⅱ.
1. T
2. F
3. T
4. T
5. F
Ⅲ.
1. To introduce the topic of space elevators.
2. Building a tower high enough to reach space for space elevators.
3. The challenge of the cables' material for building space elevators.
1. a
2. f
3. e
4. d
5. c
6. b
Ⅱ.
1. T
2. F
3. T
4. T
5. F
Ⅲ.
1. To introduce the topic of space elevators.
2. Building a tower high enough to reach space for space elevators.
3. The challenge of the cables' material for building space elevators.