血浆置换术适应证有()
A.中毒症
B.高粘滞综合征
C.格林-巴利综合征
D.系统性红斑狼疮
E.自身免疫性溶血性贫血
参考答案:A, B, C, D, E
At the meeting they discussed three different _____ to the study of mathematics. [ ]
A. approaches
B. means
C. methods
D. ways
煮的操作要求是什么?