DISCUSSION: (R.P – 3.1, 3.3)
Date: 2015-10-07; view: 576.
You will hear a lecture. After the lecture you will hear some statements. The lecture and questions will be spoken just one time. When you hear a statement, read the three possible answers, and decide which one would be the best answer to the statement you have heard.
Fig. 11 Relative abundance of elements in Earth's crust
4. LISTENING COMPREHENSION
1. The crystal rind is covered by
A. condensed atmosphere components
B. volatile atmosphere components
C. ocean volatile components
2. The mantle lies under
A. oxide rich shells
B. rocky exterior
C. concentric shells
3. They are
A. constructing blocks
B. constructing rocks
C. constructing layers
4. The main factor is
A. sunlight only
B. the Earth itself
C. physicochemical evolution
5. The following systems
A. protection
B. interconnected
C. biological
4.2 You will hear part of a radio report about the earth as a planet of our solar system. For statements 6- 15, complete the notes that summarize what the speaker says. You will need to write a word or a short phrase in each box.
| Earth is a | ||
| The Earth is the third planet to | ||
| The planets don't fly into space because of | ||
| Life on Earth is due to | ||
| Each rotation produces | ||
| The Moon completes | ||
| while Earth completes | ||
| This is an Earth's | ||
| The Earth is separated from the other bodies by | ||
| So, the solar system comprises |
4.3. You will hear a lecture on the Earth's origin. For statements 16-20, choose the best answer A, B, C, D.
16. Which of the following elements are the lightest?
A. hydrogen and oxygen
B. hydrogen and helium
C. helium and carbon
D. hydrogen and carbon
17. What is the meaning of «blob»?
A. dense spot
B. locked particle
C. abundant element
D. considering clouds
18. After burning helium, stars swell into
A. dwarfs
B. galaxies
C. giants
D. planets
19. What does the following passage describe?
A. how the Earth was created
B. how the “ big bang” changed the Earth
C. how immense explosions created new stars
D. how new stars created different elements
20. What would the author discuss in the following passage?
A. star factories
B. rare and common elements
C. the life of a star
D. how the Sun and planets were formed
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