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Section C
Directions: in this section,you will hear a paasage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is reaf for the third time, you should check what you have written.
When you look up at the night sky, what do you see? There are other… besides the moon and stars. One of the most 27___ of the …
Comets were formed around the same time the Earth was formed. …and other frozen liquids and gases. 29___ these “dirty snow…” just as the planets do.
As a comet get closer to the sun, some gases in it begin to unfreeze… particles form the comet to form a huge cloud. As the comet gets … wind blows the cloud behind the comet, thus forming its tail. The tail… (模糊的) atmosphere around a comet are 32____ that can help… in the night sky.
In any given year, about a dozen known comets come close to … average person can't see them all, of course. Usually there is only one … to be seen with 34___ eye. Comet Hale-Bopp, discovered… bright comet. Its orbit brought it 35___ close to the Earth, … But Hale-Bopp came a long way an its earthly visit. It won't be back…or so.
