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硬脑膜形成的结构有
Section DDirections: In this section you will hear a recorded short passage. The passage is printed in the test paper, but with some words or phrases missing. The passage will be read three times. During the second reading, you are required to put the missing words or phrases on the Answer Sheet in order of the numbered blanks according to what you hear. The third reading is for you to check your writing. Now the passage will begin.Scientists are trying to (16) some small cars that may someday take the place of today’s big automobiles. If everyone drives such cars in the future, there will be less (17) in the air. There will also be more space for parking cars in cities, and the streets will be less (18) . The little cars will cost much less to (19) and to drive. Driving will be safer, too, as these little cars can go only 65 kilometers per hour. The little cars will be fine for getting around the city, but they will not be (20) for long trips. Little cars which are powered by gasoline will go 450 kilometers before needing to stop for more gasoline.
SectionA:Directions:Thissectionistotestyourabilitytogiveproperresponses.Thereare5recordedquestionsinit.Aftereachquestion,thereisapause.Thequestionswillbespokentwotimes.Whenyouhearaquestion,youshoulddecideonthecorrectanswerfromthe4choicesmarkedA),B),C)andD).
Thissectionistotestyourabilitytogiveproperresponses.
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