【多选题】在平直公路上,自行车与同方向行驶的一辆汽车在t=0时同时经过某一个路标,它们的位移x(m)随时间t(s)变化的规律为:汽车为 ,自行车为 ,则下列说法正确的是
C.
开始经过路标后较小时间内自行车在前,汽车在后
【单选题】Mike didn’t go to bed his father came back.
【简答题】根据对话内容及图片补全对话。 Father: Mike, yesterday you told me that you will have a Chinese test today. Why are you still in bed? You should get up and get ready 1_____ school. If you don't hurry up, you'll be la...