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- 1高山深涧、悬崖峭壁这两个词语的意思是什么?
- 2Dogs can help the blind people cross the road safely.首字母填空safely.为什么填它?
- 3甲乙两个仓库,甲仓存粮52吨,如果从甲仓运出8吨到乙仓,甲,乙两仓就相等.乙仓原来存粮多少吨?方程解
- 4f(x)=x^(2/3) 当x=0时 为什么f(x)的导数不存在?
- 526摄氏度时空气中的声速是多少?
- 6已知1☆6=1×2×3×4×5×6,6☆5=6×7×8×9×10,按此规定,计算(2☆5)÷(6☆4)
- 7She is always happy.Now she is looking at his new picture____(happy)
- 8I heard that she taught _____English
- 9化简5abc-|2a^2-[3abc-(4ab^2-a^2b)]
- 10甲乙两人从AB两地同时出发,相向而行.第一次相遇时距离A地80千米,甲到B地和乙到A地都安原速立即返回,第