问题
单项选择题
耐火材料的荷重软化点是指（）。
A、抵抗高温作用而不熔化的能力
B、对急热急冷的温度变化的抵抗能力
C、抵抗高温与荷重共同作用的能力
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
耐火材料的荷重软化点是指（）。
A、抵抗高温作用而不熔化的能力
B、对急热急冷的温度变化的抵抗能力
C、抵抗高温与荷重共同作用的能力
参考答案：C
| 根据对话情景选择恰当的选项，其中有两项是多余的。 | |
B: Yes, 1._____ A: OK. Where are you going? B: 2._____ So we'll book the tickets to the nearest station on Friday evening. A: All right. The train starts at 10:00 p. m. and arrives at 11:00 a. m. at Mount Huang Railway Station, Anhui Province. B: That's great. 3_____ A: We've got tickets at￥360 for the soft sleeper and￥240 for the hard sleeper. 4_____ B: I'd like to book seven tickets for the hard sleeper. A: OK. Seven hard sleeper tickets. Please pay for the tickets before 19:30. And could you tell me your name, please? B: 5._____ A: And your cellphone number? B: It's 13563856358. Thanks. A: It's my pleasure. |