下列各组物质中,都是晶体的是( ) A.冰和水 B.铜和固态水银 C.玻璃和石蜡 发布时间:2017-04-14 19:06 │ 来源:www.tikuol.com 题型:多选题 问题: 下列各组物质中,都是晶体的是( )A.冰和水B.铜和固态水银C.玻璃和石蜡D.海波和萘
题型:多选题 阅读短文,从方框中选择适当的单词填空。themselves lions sad in foodMany people may think that animals in the zoo are happy and lucky, but most of them are小题1:__________. Do you know why? Animals like tigers, 小题2:____________ and bears usually live in forests or mountains. They run, jump, play with their children and find small animals for小题3:____________. But now they have to stay in small rooms 小题4:____________ the zoo. They don’t have to find food by 小题5: ____________ because the zookeepers feed them. 查看答案