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- 3Mr.Smith,as well as his wife and children,has come to Nanjing for a visit.这句话中为什么用has?
- 4Mother wants me _________to the supermarket with her
- 5三分之四的倒数除以五分之四与五分之三的差商是多少
- 6某温度下,在一容积可变的容器中,反应2A(g)+B(g)=2C(g)达到平衡时,A、B和C的物质的量分别为4mol、2mol和4mol.保持温度和压强不变,对平衡混合物中三者的物质的量做如下调整,可使平衡右移的是( )
- 7x^2-(x+2)(x-2)-(x+x分之1)^2等于多少?
- 8求翻译!My parents have been most tolerant of whatever mistakes i have done.Sorry for causing too much trouble,PaPa and MaMa
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