搜题请搜索小程序“爱下问搜题”
问题 单项选择题

流行性脑脊髓膜炎的确诊依据是

A．冬春季发病

B．高热、头痛、呕吐及脑膜刺激征

C．脑脊液呈化脓性改变

D．皮肤黏膜瘀点、瘀斑

E．皮肤瘀点涂片查到病原菌

答案

参考答案：E

选择题

---- You failed again in the maths exam yesterday.

----- Don’t tell Dad about it; if he knows that, I’m____dead..

A．as well as

B．as much as

C．as good as

D．as many as
查看答案
问答题

酸+金属氧化物--盐+水

Fe2O3+3H2SO4═______，Fe2O3+6HCl═______，CuO+H2SO4═______．
查看答案