问题
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It is an advantage of using the solar energy that it won’t create any pollution.(英译中)
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● OSI is a theoretical model that shows how any two different systems can communicate with
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Now, theres absolutely no question in any objective observers mind that entry to Oxford an
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Take an umbrella with you _________ it rains.A、in any caseB、in caseC、becauseD、for
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An old Chinese saying goes that "He that travels far knows much." It implies that personal
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A film that usually takes place in the future, often with space travel, is a _____film