题型:名词解释 下列说法错误的是A.“墙内开花墙外香”说明分子是不断运动的B.分子是保持物质化学性质的最小粒子C.原子是化学变化中的最小粒子D.水在通电的条件下能生成氢气和氧气,说明水是由氢气和氧气组成的 查看答案
题型:名词解释 Young children are often advised not to spoil their appetite by eating sweets ________ the three meals.A.amongB.duringC.betweenD.through 查看答案