女性,10岁,体质较差,突发头痛呕吐l周。查体,体温39℃,神清,颈强直,右侧肢体肌力Ⅳ级,肌张力高,初步诊断为
A.脑膜炎
B.脑脓肿
C.脑肿瘤
D.脑出血
E.脑栓塞
参考答案:B
下图中所示的酶固定化技术中属于包埋法的一组是
A.①②
B.①③④
C.①④
D.③④
Have a care what you say ______ you may regeret.
A.or B. and C. however but