问题
填空题
| 从下框中选择合适的内容填空，将其序号填入题中横线上。 | |
| A: Hi, Amy. What's the weather like in Beijing? B: It's today. We can fly kites. New York? A: It's now. I close the window. B: OK. .
|
答案
B D A E C
搜题请搜索小程序“爱下问搜题”
| 从下框中选择合适的内容填空，将其序号填入题中横线上。 | |
| A: Hi, Amy. What's the weather like in Beijing? B: It's today. We can fly kites. New York? A: It's now. I close the window. B: OK. .
|
B D A E C
圆弧弯道，弯道两端与两直道相切，有人在车内测量汽车的向心加速度大小随时间的变化情况，其关系图象如图乙所示，则汽车经过弯道的时间为______s；汽车过弯道时的速率为________m/s。