根据《担保法》规定，下列财产可以抵押的是( )。
A．土地所有权
B．国有土地使用权
C．集体土地使用权
D．医疗设施
参考答案：B
用关系代词或关系副词填空
1. I met the man at the street yesterday _____ wrote the book.
2. Is this the way _____ she does her homework?
3. This is the last book _____ I like to buy.
4. I climbed up the hill on _____ top there were many trees.
5.This is the house _____ we used to live in.
关于牙源性中央性颌骨骨髓炎，下列哪种说法不对？（）
A.常能看到病源牙
B.骨破坏边界清楚，周围骨密度高
C.可见死骨形成
D.可见袖口状骨膜反应
