注水系统粗过滤器标准反洗程序是（）
A、打开反洗出口阀→反洗臂驱动马达运转→启动反洗计时器，确认反洗出口阀打开、反洗臂驱动马达运转→反洗计时器到期，停反洗臂驱动马达、关反洗出口阀→复位反洗计时器和反洗间隔计时器
B、部分排泄→空气反冲洗→水反冲洗→暂停→部分排泄→空气反冲洗→水反冲洗
C、打开反洗出口阀→运转反洗马达直到反洗臂旋转完5圈→停反洗马达→关上反洗出口阀
D、打开反洗出口阀→运转反洗马达直到反洗臂旋转完10圈→关上反洗出口阀→停反洗马达
参考答案：A
第三部分：阅读技能（共三节满分35） 第一节 阅读理解（共12小题；每小题2分，满分24分） 阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。 （A） Read the following posters carefully and answer the questions below.
41. ________ can give you more information about the basketball match. A. John Smith. B. Tommy Brown. C. Paul Burton. D. Tonny Wang. 42. Who can’t be allowed to go to the Layla’s Disco? A. A 30-year-old worker. B. A 50-year-old doctor. C. A 22-year-old manager. D. A 15-year-old student. 43. You must phone ________ if you want to get a ticket for the fashion show. A. the booking agent B. the teacher C. the manager D. a postman 44. Which of the following food can you have at KARMA? A. Chicken. B. Tomato. C. Fish. D. Beef. |