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- 1thine is my ger.I think no one can sing_____.A.good B .well C.better D.best下面怎么写?
- 2day after tomorrow(是怎么理解为〈后天的〉)
- 3She often hears someone --------songs in the room.A.to sing B.singing C.sing D.sang
- 4在稀硫酸和锌反应,求稀硫酸的质量分数
- 5红血蛋白的相对分子质量是68000,血红蛋白中铁的质量分数为0.33%,则平均每个血红蛋白中铁原子的个数为_.
- 6形容一个人的人心很冷英语单词咋写
- 7形容快乐有趣的活动词语
- 8她是一名歌手用英语怎么说
- 9I always()at weekends.I want to watch TV.
- 10设集合A={x/x^2-4x=0},B={x/x^2-2(a+1)x+a^2-1=0}若B含于A,求实数a的取值范围?