第8题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Her grades are improved. B. Good grades are easy to get. C. Good grades take some sacrifice. D. Student life is supposed to be difficult. 参考答案:C 答案解析:[听力原文]
M: Come on, Tania, you shouldn’t be so serious about your grades. You’re missing the point o
第9题:[多选题]不属于熔断器的作用是( ) (多选题) A. 漏电保护 B. 短路保护 C. 低电压保护 D. 高电压保护 参考答案:ACD
第19题: [多项选择]下列属于大型球根花卉的是?() A. 百合 B. 大丽花 C. 郁金香 D. 风信子 参考答案:A, B
第20题: [单项选择]If there are micro-seized areas on the liner or skirt scratch-over manually with a coarse carbo-rundum stone (grindstone), moving the grindstone () at an angle of 20 to 30 degrees to horizontal. A. clockwise B. anticlockwise C. crosswise D. vertically 参考答案:C