问题
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What is this passage mainly concerned with?A.The problems in U.S. hospitals and medical ce
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What is this passage mainly about?A.The liberation movement of British women.B.Rapid econo
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What is main idea of this passage?A.Advertisement.B.The benefits of advertisement.C.Advert
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What is this passage mainly about?A.Unhealthy food supply in high schools.B.Childhood obes
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What is the main idea of this passage?A.Fire-control is essential for human species to lea
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What is this passage mainly concerned?A.Education fund needs social mobility.B.Education n
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When water(), it will be changed into vapour.A. is heatedB. was heatedC. will be heat..
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增量式光电编码器与机器连接时,应使用柔性连接器。()..
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These machines may() in our work.A. needB. neededC. are neededD. be needed..
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l. I must be off now,()my sister is expecting me.A.orB.soC. forD. and..
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Why is the present education system criticized acc.....
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