34. The clouds surrounding Jupiter are mostly
composed of
(A) ammonia
(B) helium
(C) hydrogen
(D) methane
35. It can be inferred from the passage that the
appearance of alternating bands circling Jupiter is caused by
(A) the Great Red Spot
(B) heat from the Sun
(C) the planet’s fast rotation
(D) Storms from the planet’s Southern
Hemisphere
36. The author uses the word “puzzling” in line 15 to suggest that the Great Red Spot is
(A) the only spot of its kind
(B) not well understood
(C) among the largest of such spots
(D) a problem for the planet’s continued
existence
37. Paragraph 3 supports which of the following conclusions?
(A) Jupiter gives off twice as much heat as the Sun.
(B) Jupiter has a weaker gravitational force than the other planets.
(C) Scientists believe that Jupiter was once a star.
(D) Scientists might learn about the beginning of the Solar System by Studying Jupiter.
38. Why does the author mention primeval heat (lines 19-20) ?
(A) To provide evidence that Jupiter is older than the Sun
(B) To provide evidence that Jupiter is older than the other planets
(C) To suggest a possible explanation for the number of satellites that Jupiter has
(D) To suggest a possible source of the
quantity of heat that Jupiter gives off
39. According to the passage, Jupiter’s most
distant moon is
(A) the least dense
(B) the largest
(C) warm on the surface
(D) very rocky on the surface
40. Which of the following statements is supported by the passage?
(A) If Jupiter had fewer satellites, it would
be easier for scientists to study the
planet itself.
(B) If Jupiter had had more mass, it would
have developed internal nuclear reactions.
(C) If Jupiter had been smaller, it would have become a terrestrial planet.
(D) if Jupiter were larger, it would give off
much less heat
参考答案:
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