耐火制品的荷重软化点是是指()。
参考答案:耐火制品在一定的压力下加热,直至其发生一定变形量和坍塌时的温度
用所给词的适当形式填空。
1. Lots of ________ (tour) came to China in 2009.
2. Thank you for your ________ (invite).
3. His father is much ________ (funny) than his mother.
4. He spends one hour________ (watch) TV every day.
5. —Who ________ (plan) to read the story this morning?
—It was Mr Wang.
6. She sees a film ________ (one) a month.
7. Hurry up. We must finish ________ (write) the postcards in time.
8. Are you going ________ (skateboard) for vacation?
9. Do you like the people who can make you ________ (laugh)?
10. I have ________ (little) money than you. Can you lend me some?
按照《建筑业企业资质管理规定》,建筑业企业资质分为()三个序列。
A.一级、二级、三级
B.特级、一级、二级
C.甲级、乙级、丙级
D.施工总承包资质、专业承包资质和施工劳务资质