答案:C
It is ______ cold today and there is ______ rain. [ ]
A. too much; too much
B. much too; much too
C. too much; much too
D. much too; too much
遇明火一定不会发生爆炸的混合物是( )
A.二氧化碳和氢气
B.水煤气和空气
C.散布有面粉尘的空气
D.氢气和空气