稳定型股骨颈骨折是()。
A.头下骨折
B.经颈骨折
C.基底骨折
D.内收骨折
E.外展骨折
参考答案:E
用satisfy的正确形式完成句子
1. She is with what you have done.
2. He gains great from his work.
3. They want a explanation of my lateness.
4. Nothing him; he is always complaining.
5. To everyone's , the girl finished the job well.
打雷放电时,空气中有极少量的氧气会转化成臭氧(3O2 放电 . 2O3),下列有关说法正确的是( )
A.该变化是物理变化
B.O2与O3都是单质
C.O2与O3是不同的物质
D.O2与O3的性质完全相同