问题 问答题

简述浇筑混凝土时应注意的安全事项。

答案

参考答案:(1)浇筑框架混凝土时,要搭设临时脚手架,并要有防护栏杆,严禁站在模板和支撑上操作;(2)吊运混凝土要有统一指挥,人要站在安全位置;(3)浇水养护时,应注意楼面上的障碍物和洞口,拉移胶皮管时,不得倒退行走;(4)基槽浇筑混凝土时,要注意槽帮有无坍塌危险,必要时采取措施,以防伤人;(5)预应力灌浆,要严格按规定压力进行;(6)操作人员不得站在混凝土养护池边上,或在边上行走;防止失足坠落;(7)浇筑梁柱混凝土,应搭设操作平台,浇筑圈梁、阳台、雨蓬时,应有防护设施,以防坠落伤人。

单项选择题 A1/A2型题
完形填空

As she waited at the edge of the ice for her music to start, Peggy took a quick look at her father standing nearby with a group of parents and teachers. He smiled at her. Then she ___1___ out at the audience, ___2___ to see her mother. These two, Alvert and Doris Fleming, had ___3___ all the way from California more than 2,000 miles away, to see their ___4___ compete in this sports meet in Cleveland, Ohio.

The music ___5___ and Peggy moved onto the ice, letting the music ___6___ her along into her turns, and she began skating with much ___7___ in herself. The cold fear she always had in the ___8___ seconds before skating onto the ice was ___9___. She was feeling the movement of the ___10___ and letting it carry her. She skated easily, ___11___ did some jumps, a final turn and her performance was ___12___.

The crowd loved it and cheered ___13___ she skated off the ice. “Nice job,” said one of the other ___14___. It was the remark that ___15___ came after a free-skating performance. But what would the ___16___ say? Standing beside her father, Peggy ___17___ for the scoring to be finished. On all sides were other young skaters, some waiting ___18___ alone, others with a parent. Shortly before 10 o’clock the results were ___19___. The new United States Women’s Skating Champion was Peggy forming of Padena, ___20___!

1. A. looked    B. watched     C. found  D. stepped

2. A. tried       B. hoped       C. hoping       D. looking forward

3. A. flown     B. driven C. hoped D. prepared

4. A. friend     B. children     C. son     D. daughter

5. A. started    B. played C. develop      D. sang

6. A. allow     B. set out C. carry   D. support

7. A. thought  B. belief  C. success       D. design

8. A. last B. following   C. recent D. past

9. A. lost B. present       C. string  D. gone

10. A. ice       B. fear    C. music  D. audience

11. A. so  B. or       C. before D. then

12. A. satisfied       B. finished      C. unsatisfactory    D. welcome

13. A. because B. until   C. as     D. before

14. A. skaters  B. parents       C. judges D. audiences

15. A. seldom B. always       C. again  D. hardly

16. A. players B. audience     C. parents       D. judges

17. A. looked  B. wished       C. waited D. asked

18. A. comfortably           B. anxiously       C. hurriedly    D. happily

19. A. cried out      B. let out C. declared     D. announced

20. A. California    B. Cleveland   C. Ohio   D. England