题目

The medical term for a broken bone is a fracture．But there are different kinds of fractures．A single fracture is when a bone is broken in just one place．You may have heard the term hairline fracture．This is a single fracture that is very small，like the width of a hair．A complete fracture is when the bone comes apart．When a bone is broken in more than two places or gets crushed，the name for it is a comminuted fracture．Still another condition is called a bowing fracture．This happens with a bone that bends but does not break．It happens mostly in children．Ever heard of a gr6．我国耕地主要分布在东部季风区的平原、盆地及低缓的丘陵地区，其中秦岭--淮河线，以北地区以旱田为主，以南地区以水田为主，林地主要分布在东北、西南、和东南部的山区，草地主要分布在降水量不足400mm的北部和西部地区．