大脑动脉环包括以下哪些结构（） A.大脑前动脉 B.颈内动脉末段 C.大脑后动脉 D
题型：多项选择题
问题：
大脑动脉环包括以下哪些结构（）
A.大脑前动脉
B.颈内动脉末段
C.大脑后动脉
D.大脑中动脉
E.后交通动脉
题型：多项选择题
Read and judge.
As a child, you should know something about first aid to help yourself at home.
Remember:
If you have a stomachache, don't eat anything. Don't take any medicine before you go to see the doctor.
If your foot or leg hurts badly, don not walk. Sit or lie down.
If an insect bites you, wash with coldwater.
If you get burned, wash and cool the area with cold water.
If you cut your finger, clean it put a piece of paper around ii.
Remember the first aid telephone number. Use it to call an ambulance.
1. If you have a stomachache, don't eat anything. Yes□ No□
2. If your leg hurts, walk to the hospital. Yes □ No□
3. If you cut your finger, clean it first, Yes□ No口
4. If an insect bites you, drink some cold water. Yes口 No□