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　　1. The passage mentions which of the following with respect to the fragments of comet Shoemaker-Levy 9?

　　(A) They were once combine in a larger body.

　　(B) Some of them burned up before entering the atmosphere of Jupiter.

　　(C) Some of them are still orbiting Jupiter.

　　(D) They have an unusual orbit.

　　2. The word "collectively" in line 3 is closest in meaning to

　　(A) respectively

　　(B) popularly

　　(C) also

　　(D) together

　　3. The author compares the fragments of comet Shoemaker-Levy 9 to all of the following EXCEPT

　　(A) a dismembered body

　　(B) a train

　　(C) a pearl necklace

　　(D) a giant planet

　　4. Before comet Shoemaker-Levy 9 hit Jupiter in July 1994, scientists

　　(A) had been unaware of its existence

　　(B) had been tracking it for only a few months

　　(C) had observed its breakup into twenty-odd fragments

　　(D) had decided it would not collide with the planet

　　5. Before the comet fragments entered the atmosphere of Jupiter, they were most likely

　　(A) invisible

　　(B) black

　　(C) frozen

　　(D) exploding

　　6. Superheated fireballs were produced as soon as the fragments of comet Shoemaker- Levy 9

　　(A) hit the surface of Jupiter

　　(B) were pulled into Jupiter’s orbit

　　(C) were ejected back through the tunnel

　　(D) entered the atmosphere of Jupiter

　　7. The phrase "incinerated itself" in line 9 is closest in meaning to

　　(A) burned up

　　(B) broke into smaller pieces

　　(C) increased its speed

　　(D) grew in size

　　8. Which of the following is mentioned as evidence of the explosions that is still visible on Jupiter?

　　(A) fireballs

　　(B) ice masses

　　(C) black marks

　　(D) tunnels

　　9. Paragraph 2 discusses the impact of the comet Shoemaker-Levy 9 primarily in terms of

　　(A) its importance as an event of great scientific significance

　　(B) its effect on public awareness of the possibility of damage to Earth

　　(C) the changes it made to the surface of Jupiter

　　(D) the effect it had on television broadcasting

　　10. The "target" in line 20 most probably referred to

　　(A) Earth

　　(B) Jupiter

　　(C) the solar system

　　(D) a comet

　　ADDBC DACBA

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