泪窍（泪堂）
参考答案：
位于内眦部，在上、下眼脸内方各有一小孔处，为排泄眼泪的通道。
读一读，写出反义词。
1. Beijing is a __________ city. Shijiazhuang is a small city.
2. Danny is quiet, but Jenny is __________.
3. He came here at six. I __________ there at six, too.
4. The desk is old, but the chair is __________.
5. A bus is __________. An airplane is fast.
1970年以后世界卫生组织把高脂蛋白血症分为5型几类()
A．2类
B．4类
C．5类
D．6类
E．7类
