猜你喜欢
- 1用质量均为100g的铜作电极电解硝酸银溶液,电解一段时间后,两电极质量相差14g,此时阴极质量为多少
- 2已知m是方程x的平方-3x+1=0的一个根,求M的平方-2M+3除以(M的平方+1)的值
- 3''Uncle Tom lived with seven sons 要正确的
- 4哺乳动物出现抽搐,有可能是血液中下列哪项成份的含量太低( ) A.Na+ B.Ca2+ C.Mg2+ D.Fe2+
- 5修改病句:听了解放军叔叔的报告,使我深受感动.
- 6Robots which are disigned to look like people could be available in the future.
- 7小学要求背诵的诗词有哪些?
- 8物理力的合成概念:合力F的方向可用与某个分力的___来表示
- 9the food __(taste) very good.
- 10where would you like to go on vacation by s—— or by air