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题型:填空题难度:简单来源:同步题
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- 2如图甲所示,两根足够长的平行金属导轨MN、PQ相距为L,导轨平面与水平面夹角为α,金属棒ab垂直于MN、PQ放置在导轨上
- 3The foreign guests who paid a visit to our city last week ar
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- 7I’m Kitty. I’m going to the to buy several things. On the
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- 10在一个盒子中,放有标号分别为1,2,3的三张卡片,现从这个盒子中,有放回地先后抽得两张卡片的标号分别为x、y,设O为坐标
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- 1下图所示装置中,甲、乙、丙三个烧杯依次分别盛放100g 5.00%的NaOH溶液、足量的CuSO4溶液和100g 10.
- 2As we all know, many Chinese words have come into English, _
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- 8按要求完成下面句子。1. Did you meet a famous actor? (作否定回答) _______
- 9解关于x的不等式log(x2+2)(3x2-2x-4)>log(x2+2)(x2-3x+2).
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