某均质粉土场地，土层重度为γ=18kN/m3，fak=110kPa，地下水位5.0m，场地中有一建筑物采用条形基础，底面宽度为2．0m，埋深1.5m，荷载为400kN／m，采用矿渣垫层处理地基，垫层厚度为2.0m，垫层材料重度为20kN／m3，试按《建筑地基处理技术规范》（JGJ79--2002）计算以下问题。
垫层底面处自重应力为（）。
A.63kPa
B.70kPa
C.75kPa
D.80kPa
参考答案：A
| 完形填空。 | ||||
| 先阅读短文，然后从文中每小题的四个选项中选出一个可以填入短文中相应空白处的最佳答案。 I did very badly at school. My headmaster thought I was useless and when I was 14 he said, “You’re never going to be (1) but a failure(失败者). After five years of poor jobs, I fell (2) with a very nice girl. But her mother said to me, “You’ve (3) in everything you’ve ever done. You can’t give any happiness to my daughter!” It was the frustrating thing that could have changed me later. I decided to do something (4) about my life, because I wanted to show her that what people said about me was (5) . So I tried hard with my writing and went to college. My first book came out while I was at college. After college (6) during the day in high schools and went to evening classes at college. Later, I gave up that _(7)_job to write full time. At the same time, I was offered a part-time job at Leeds University. I began to feel (8) of myself -here was once a poor boy who’d left school early, now teaching at the university. My writing career(生涯) (9) when I discovered my own style. Now I’m rich and (10) , have been on TV, and met lots of film stars. But what does that mean? I just wish all the people who have put me down had said: “I believe in you. You’ll succeed.” | ||||
| ( )1. A. anything ( )2. A. work ( )3. A. failed ( )4. A. difficult ( )5. A. terrible ( )6. A. stayed ( )7. A. boss ( )8. A. proud ( )9. A. set off ( )10. A. cool | B. something B. love B. won B. easy B. excellent B. laught B. scientist B. sad B. went off B. famous | C. everything C. help C. beaten C. negative C. wrong C. lived C. teacher C. tired C. broke off C. clever | D. nothing D. study D. succeeded D. positive D. right D. studied D. student D. happy D. took off D. helpful | |