一般情况下，井底通常是裸眼井段最薄弱的部分。（） 发布时间：2017-06-18 23:42 │ 来源：www.tikuol.com 题型：判断题 问题： 一般情况下，井底通常是裸眼井段最薄弱的部分。（）
题型：判断题 如图所示，弹簧下端悬一滑轮，跨过滑轮的细线两端系有A、B两重物，mB=2kg，不计线、滑轮质量及摩擦，则A、B两重物在运动过程中，弹簧的示数可能为：（g=10m/s2）（ ）A．40NB．60NC．80ND．100N 查看答案
题型：判断题 完形填空。 "It was all his own idea," says Pat, the wife of California high school football coach Bob Peters. Bob had 1 made a "motherhood contract(合同)"-declaring that for 70 days this summer he would 2 thecare of their four children and all the housework. 3 he didn't even know how to make coffee when hesighed, he was very confident. After40 of the 70 days, he was ready to 4 . " I was beaten down," admits Bob. "Not only is motherhooda 5 task, it is an impossible job for any normal human being." Bob and Pat were married in 1991. After the married, Pat 6 a secretary to help put him throughuniversity. 7 Bob has been the football coach while Pat raised the kids. 8 two years ago Pat went back to work. " I had been 9 children so much," she 10 , "I couldn't talk to a grown-up." She continued to runthe household, 11 - until Bob sighed the contract. Bob tried hard to learn cooking, but the meals he prepared were 12 . For the last three weeks, the family 13 a lot-sometimes having MacDonald's hamburgers for lunch and dinner. 14 housekeeping, a homeeconomics teacher had told Bob that a room always looks clean 15 the bed is made. " I found 16 -I shut thedoors," he says. Soon the kids were wearing their shirts inside out. "When we went to 17 Pat at work, I made them wear their shirts 18 side out so they would look clean." Now that Bob has publicly 19 he was wrong, he is 20 the child-raising and household tasks with Pat. ( )1. A. only ( )2. A. stick to ( )3. A. If ( )4. A. carry on ( )5. A. strange ( )6. A. sent ( )7. A. In time ( )8. A. Then ( )9. A. near ( )10. A. insists ( )11. A. besides ( )12. A. terrible ( )13. A. starved ( )14. A. Due to ( )15. A. until ( )16. A. an easier way( )17. A. receive ( )18. A. good ( )19. A. admitted ( )20. A. operating B. just B. set about B. As B. give up B. pleasant B. employed B. Before long B. Thus B. after B. sighs B. therefore B. tasty B. traveled B. As for B. before B. a cheaper way B. welcome B. wrong B. suggested B. realizing C. nearly C. think about C. Since C. break down C. difficult C. learned from C. Since then C. So C. about C. jokes C. however C. expensive C. worked out C. Along with C. if C. a cleaner way C. greet C. right C. agreed C. sharing D. ever D. take over D. Although D. find out D. serious D. worked as D. Later on D. Still D. around D. apologizes D. otherwise D. special D. ate out D. Except for D. unless D. a harder way D. fetch D. opposite D. explained D. performing 查看答案
题型：判断题 施工质量事前预控途径包括（）。A.施工图纸会审和设计交底B.工程测量定位和标高基准点的控制C.施工技术复核D.施工分包单位的选择和资质的审查E.施工机械设备及工器具的配置与性能控制 查看答案
