下列药物中，具有抗血小板凝聚作用，可用于心血管系统疾病的预防和治疗的药物是（）。 A

阅读下面的短文．根据短主内容，填写表格．将小题的信息补充完整。每空不超过3个单词。并在答题卡上将答案填写在对应题号的横线上。

If you go into the forests with friends, stay with them. If you don’t, you may get lost. If you do get lost, this is what you should do.
Sit down and stay where you are. Don't try to find your friends. Let them find you. You can help them to find you by staying in one place.
There is another way to help your friends or other people to find you. Give them a signal( 信号 )by shouting or whistling(吹口哨) three times. Stop. Then shout and whistle three times again. And signal given thee times is a call for help,
If you don't think that you will get help before night comes, try to make a small room with branches( 树枝 ) 。
What should you do if you get hungry or need to drink water? You would have to leave your little branch room to look for something to eat and drink. Don't just walk away. Drop small branches as you walk so that you can find your way hack.
The important thing to do when you are lost -- stay in one place.

Title	How lo deal with getting lost
Ways	①___小题1:___and slay where you are ②Give friends ____小题2:___by shouting and whistling three times ③If you don’t get help before night comes, try to__小题3:a room with branches ④Drop some small _小题4: as you walk so that you can find your way back.
Conclusion	There are many ways to deal with getting lost，but the most important Way is to stay in ___小题5:__place .