We can learn from Paragraph 4 that the Jarvic-7 isv________

We can learn from Paragraph 4 that the Jarvic-7 isv__________A.the most expensi

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世界上第一本以“教育心理学”命名的书是1877年(  )出版的《教育心理学》。

世界上第一本以“教育心理学”命名的书是1877年(  )出版的《教育心理学》。A.乌申斯基 B.卡普捷列夫 C.列昂节夫 D.鲁宾斯坦

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CO2 emissions from vehicles__________

CO2 emissions from vehicles__________ A.are a more serious problem than energy

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保持信息在1秒钟以内的记忆是(  )

保持信息在1秒钟以内的记忆是(  )A.短时记忆 B.长时记忆 C.感觉记忆 D.永久记忆

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There was an inclination to treat geography as a less impor

There was an inclination to treat geography as a less important subject.A.tende

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