问题
判断题
钢轨探伤仪各通道是同一时刻发射并接收超声波的。
答案
参考答案:错
钢轨探伤仪各通道是同一时刻发射并接收超声波的。
参考答案:错
从方框中选择最佳选项完成对话,有两项多余。
B:Oh … my clothes are out of style. 小题2: . A:Well, maybe you should buy some new clothes. B:Yes, 小题3: . A:Huh. Maybe you could get a part-time job in the evenings. B:I can’t, because my parents want me to stay at home every night. I argued with them about it. A:Well, 小题4: You should talk about your problems. B:And guess what else is wrong? A:What? B: 小题5: I can’t go to sleep. |