某日,一位来自R城的游客在北京一宾馆住宿,此时R城的日期和区时与北京都不相同。如图所示,读图,据此可知R城的位置在( )
⑴How can you get to the school ?____
⑵Happy birthday !____
⑶What's the weather like in summer ?____
⑷May I speak to Mike ?____
⑸Where is your aunt from ?____
A、It's cold .
B、Shenzhen .
C、Thank you .
D、Take bus No.4 .
E、Yes , speaking .
甲、乙两车在t=0时从同一地点、向同一方向沿直线运动,甲以5m/s的速度匀速行驶,乙以10m/s的初速度、加速度大小为0.5m/s2的刹车减速运动,求: