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【判断题】
一般来说，我们将耐火度不低于1580oC的无机非金属材料称为耐火材料。耐火材料在高温下具有一定的荷重软化温度、良好的热震稳定性、体积稳定性和化学稳定性。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】搜索引擎内容处理和索引的步骤
【简答题】油气苗(名词解释)
【简答题】I don't need any of this .我不需要这里的任何破烂。
【单选题】听力原文： I live in a big old house. At night you can sometimes hear strange noises, Last Saturday I got home late. I went upstairs, washed and went to bed. My bedroom was very cold and it took me about a...
A.
Upstairs.
B.
A rubbish container.
C.
Outside the window.
D.
Pieces of paper under the bed.
【单选题】When the new smartphone came out, I decided not to get one. Even though my old phone is a few years old, it still works fine, and I don't really need any of the new features available now. This is an ...
A.
staying connected
B.
keeping active
C.
buying less
【简答题】油气成因(名词解释)
【单选题】I don't think I need any money but I'll bring some ________ . [ ]
A.
in case
B.
in case of
C.
in no case
D.
in that case
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