某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶,如图表示缉毒

某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶,如图表示缉毒
某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶
某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶,如图表示缉毒快艇出发10分钟时的位置,l1、l2分别表示两船相对于海岸的距离S（海里）与追赶时间t（分钟）之间的关系．根据图像回答下列问题：

（1）船只A的速度是_____海里/分,快艇B的速度是_____海里/分
（2）当A船逃到离海岸15海里的公海时B船将无法对其进行检查,那么照此速度B船能否在A逃入公海前将其拦截?（题二需详细过程例如：设：.为x,.为y
                                .x...y=.
                           经检验：.为增根
                           .为原方程的解.
                 答：.）

某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶某缉毒大队接到情报,近海有一可疑船只A正向公海方向驶去,缉毒大队立即派出快艇B追赶,如图表示缉毒
阅读理解
When you are not well,you may have to _______.The medicine may be not nice to take,but you have to take it,because it will do you good.After a few days,you will get better and you won’t have to take any more medicine.In a short time you will be in good health again,and you will go back to school.
In the cold season,many people catch colds.When you have a cold,your nose is running,so you have to blow (擤) your nose and wipe (擦) it with your handkerchief (手帕).
A bad cold with a high temperature is called flu.When you have the flu,you may pass it to other people around you,because it is very catching (有传染性的).So when you have the flu,you must stay at home.
When you have a bad tooth,you go to see the dentist.He pulls out the bad tooth and looks over the others.
You should look after yourself.If you want to be healthy,you have to take exercise and eat a balanced diet (均衡饮食).
根据短文内容,完成下列各题.
【小题1】在空白处填上一个词组___________.
【小题2】完成句子：If you ___________,you won’t have to take any more medicine.
【小题3】把画线部分翻译成汉语.
_____________________________
【小题4】Why should we stay at home when we have the flu?
_____________________________
【小题5】What should we do to keep healthy?
_____________________________