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1 . These articles ________ the problems of the modern world, including race relations and community development.
A.address | B.accelerate |
C.accumulate | D.disturb |
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2 . A thick layer of dust had a______ (累积)in the room. (根据汉语意思单词拼写)
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3 . Dust and dirt soon a__________ if a house is not cleaned regularly. (根据首字母填空)
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