热处理炉是将金属加热以改变其物理或化学性能的设备。（） 发布时间：2019-09-20 20:55 │ 来源：www.tikuol.com 题型：判断题 问题： 热处理炉是将金属加热以改变其物理或化学性能的设备。（）
题型：判断题 某清朝官员召见某学者时，指出：“法制为祖先遗留下来的，不可轻易更改。”但该学者反驳指出： “祖先的遗法是叫我们管理他们遗留的土地与人民，如果 土地被占领，人民成了西方列强的奴隶，那么祖先遗法又有什么用？”这组对话的时代背景是 [ ]A．鸦片战争后，士绅 主张器物学习 B．英法联军入侵后，士人主张鸦片合法化 C．中日战争后，知识分子主张建立共和 D．甲午战争后，知识分子主张变法维新 查看答案
题型：判断题 选择方框内所给的单词并用适当形式填空。Stop live scientist protect animal kind difference open easy wild Years ago, many zoos kept all 1______ of animals in small cages. Small cages made it 2______ for people tosee animals, but a small cage isn't a good place for an animal to live in. Today, zoos keep animals in 3______ kinds of cages. The cages are very big and 4______. The cages look like the 5______ habitats. Zoos help to protect animals, They protect animals in the zoo and they protect animals in the 6______. How do they do this? Zoos teach people how animals live in the wild. Zoos want people to help 7______ the "wild habitats". Many plants and animals are going extinct. 8______ say that seventy-four kinds of 9______ things go extinct every day! Zoos are working together to 10______ animals from going extinct. 查看答案