汽车半小时行60千米，它的速度是____．
公元前260年，秦大破东方六国中实力最强的赵国军队,坑杀赵军士卒40多万人，从此，六国再也无力抵御秦国攻势。这场战争是 （ ）
将下面的短文抄写在三线格中，注意大小写及标点符号。
his name is Tony smith. He's from cambridge. In his class, Tony and Lingling are thirteen years old and daming is twelve years old. they are good friends.
