《2025年活动单导学课程高中英语选择性必修第一册译林版》

Ⅰ. Choose the best answers to the following questions according to the text and comic strip.
(B) 1. Which is in the deepest of the Earth?
A. Crust.
B. Core.
C. Mantle.
D. Ice cages.
(C) 2. Which statement is TRUE according to the text?
A. Not all the people can crack the Earth open like an egg.
B. Scientists know about the Earth's internal structure based on observing waves.
C. Almost all living things on the Earth rely on energy from the sun.
D. Nobody will be able to drill into the mantle in the future.
(D) 3. How can scientists reveal the origin of life?
A. By analysing earthquake waves.
B. By storing hydrogen in ice cages.
C. By drilling very deep holes into the Earth.
D. By studying microorganisms deep inside the Earth.
(A) 4. How many metres deep is the boundary between the Earth's crust and the mantle below?
A. 30,000 m.
B. 150,000 m.
C. 750,000 m.
D. 6 million m.
(C) 5. Why is "elephants" mentioned in "Journey to the centre of the Earth"?
A. The deeper we arrive into the Earth, the more elephants we may see.
B. There are many elephants living on the Earth.
C. The number of the elephants indicates the pressure inside the Earth.
D. The more the elephants are, the higher the temperature is.

答案： 1—5 BCDAC

Ⅱ. Answer the following questions according to the text.
1. Why have scientists drilled very deep holes into the Earth?
2. What is the possible way to store hydrogen?

答案： 1. In order to find out more about the Earth’s make-up.
2. Trapping hydrogen in the ice cages can help to store it.