A：东南亚位于亚洲南部
B：东南亚位于亚洲与大洋洲、印度洋与大西洋之间的“十字路口”
C：东南亚范围主要包括印度半岛和马来群岛两部分
D：东南亚地区与我国山水相连，中南半岛就是因位于中国以南而得名
直线3x-y+1=0的倾斜角是（ ）
Of all the things we eat and drink，water is the1important.The human body can go2 food for a long time，but two3three days without water could make people4. A lot of people don't understand how5water the human body needs6well and many people don't drink enough，esecially in7weather. Most people drink8they are thirsty but in fact they need more water，expecially when they take9.A man's body is 65 to 75 percent of10. If we don't have enough water. We fell tired and may become ill.
下列由光沿直线传播形成的现象是（ ）
