器官冷缺血是指下列哪一种温度下的缺血（）
A.0℃
B.2℃
C.4℃
D.6℃
E.8℃
参考答案：C
— ________ I remind you of is to return the book to our English teacher.
— I will give it to him _________ I see him. [ ]
A. That; immediately
B. What; the moment
C. What; while
D. Whether; once
目前，通过证券交易所达成的交易，多采取双边净额清算方式。( )
