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- 1①l go to school at around eight o’clock and school s____at nine o‘clock
- 2现有一包固体可能由下列一种或几种物质组成:CuSO4、NaI、KNO3、NH4Cl、BaCl2、Na2CO3.
- 3甲数的80%等于乙数的90%.甲>乙.
- 4数学中的字母s.v.t代表什么
- 51.两个平面分别平行与两条异面直线,则这两个平面______
- 6The teacher said to her mother,"Please give me the book."转变成直接引语
- 7good morning是啥意思啊
- 8绝对剩余价值和相对剩余价值是怎样产生的?二者的关系怎样?
- 9he usually sleeps and relaxes 20 hours every day.
- 10二十四点游戏 用7,3,3,9使得计算的结果为24或-24,算式是?