问题
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One way for people to cut back on oil use is to switch to other types of fuel. Because woo
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听力原文: A 20-year action plan for. cutting the rate of the world population growth is ex
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What is the main idea of Mr. Obamas plan for cutting Americas huge budget deficit?A.Americ
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In the testing, Dr. Aiken cut the background from those photos for the purpose of______.A.
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The purpose of fuses in electric wiring is to ().A.allow for cutting out branch circuitsB.
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Another important way to prolong the life of cut