下列摄影组合,错误的是哪项()
A.斯氏位-一蝶鞍
B.瑞氏位--视神经
C.瓦氏位--上颌窦
D.许氏位--乳突
E.汤氏位--枕骨大孔
参考答案:A
________is well known that great changes have taken place in China recently.
A.That
B.As
C.Which
D.It
某药厂生产的甲氨蝶呤注射液被微量长春新碱污染,该药品应()
A.确认为假药
B.确认为劣药
C.按假药论处
D.按劣药论处