如图所示，两条直线表示A，B两物体运动的v﹣t图象，下面表示A，B两物体运动情况的说法正确的是

题干

如图所示，两条直线表示A，B两物体运动的v﹣t图象，下面表示A，B两物体运动情况的说法正确的是（）

A：A，B两物体在t₁时刻相遇

B：A，B两物体在0﹣t₂时间内运动方向相反

C：B物体在t₂时刻回到出发点

D：A，B两物体在0﹣t₂时间内沿同一方向运动，它们在t₁时刻速度相等

上一题下一题 0.0难度选择题更新时间:2018-03-04 03:02:41

D

阅读短文，下列问题

B

What problems do the teenagers probably have? Here is a survey showing their main problems.

Problems	Causes	Advice
Feeling stressed	Too much homework. Don't have enough time for their hobbies.	Make a plan for study and hobbies. Find time to relax as possible as you can.
Getting short-sighted	Too much homework. Bad reading and writing habits.	Do homework or reading in a correct way.
Fights	Don't know how to get on well with classmates.	Make more friends and understand each other. Share your problems with them.
Feeling tired of study	Computer games' bad influence.	Don't be crazy about computer games. Play them just for a short time when you are tired.
Getting fat	Having more pocket money to buy snacks. Dislike doing exercise.	Use your pocket money to do something meaningful. Spend some time doing exercise every day.