关于位移和路程,下列说法中正确的是( )
A:出租车是按位移的大小来计费的
B:出租车是按路程的大小来计费的
C:在田径场1500m长跑比赛中,跑完全程的运动员的位移大小为1500m
D:高速公路路牌上显示“上海100km”,表示该处到上海的位移大小为100km
Here comes the bus. Let's .
阅读。选择题,将正确答案的字母写在括号内。
I am Alice. We(我们) are in the playground(操场). We are playing football(踢足球). We are thirsty(口渴的). We are drinking. I like cola. Tom likes milk. Peter likes juice. Eddie likes water. We are happy.
新疆是我国领土不可分割的一部分,它开始隶属中央政府的管辖是在( )