选择题:化学发展到今天,成为一门重要学科,离不开一化又一化化学家的努力奋斗,下列化学家和其科学成就 题目分类:习题答案 题目类型:选择题 查看权限:VIP 题目内容: 化学发展到今天,成为一门重要学科,离不开一化又一化化学家的努力奋斗,下列化学家和其科学成就相对应的是( )。A.阿仑尼乌斯提出原子学说B.卢瑟福提出电离学说C.道尔顿建立原子结构的行星模型D.门捷列夫发现元素周期律 参考答案:
Up to now, the program ________ thousands of children who would otherwise have d Up to now, the program ________ thousands of children who would otherwise have died.A. would saveB. s 分类:习题答案 题型:选择题 查看答案
She stared at the painting, wondering where she ______it. She stared at the painting, wondering where she ______it.A. saw B. has seen C. sees D. had seen 分类:习题答案 题型:选择题 查看答案
This special school accepts all disabled students, __ educational level and back This special school accepts all disabled students, __ educational level and background.A. according t 分类:习题答案 题型:选择题 查看答案
请认真阅读下面各题,从题中所给的 请认真阅读下面各题,从题中所给的A、 B、 C 、D 、四个选项中,选出最佳选项,21. The population of Jiangsu __ to more than twice what it 分类:习题答案 题型:选择题 查看答案