猜你喜欢
- 1He'd like some noodles ()mutton and potatoes.a.and b.with c.about d.to
- 2将2~9这8个自然数分别放在图中的正八边形的8个顶点上.
- 3These _____( be not ) cats.They are dogs.
- 4关于微观经济学中市场均衡的题目
- 5when:you should be careful when _____ the street in big cities.
- 6none与nobody的用法区别
- 7配制500ML,PH=7.21的缓冲溶液,问需要0.10MOL`L-1NAH2PO4和0.20MOL`L-1NAOH各多少ML?(H3PO4:PKA 2=7.2
- 8帮忙将下句译成中文
- 9做MTBE中使用的甲醇是什么质量要求
- 1020%的kno3溶液的密度为1.13g/cm3,它物质的量浓度是多少?