肾梗死常见于
A．静脉内血栓脱落B．肠系膜上静脉内血栓脱落C．头、颈及胸部创伤D．左心室附壁血栓脱落E．肾动脉血栓脱落
参考答案：E
___ we know, in a chemical change, energy cannot be created, ____.
A．Which, nor can it be destoyed
B．As, neither it can be destroyed
C．As, neither is it able to be destoryrf
D．What, nor is destoryed
“国中治禳过于众事”中的“治”意思是（）
A.举行
B.治理
C.正常
D.攻治
E.研究
