— Do you know Alice well?
— Yes. I know ______ well. [ ]
A. she
B. his
C. her
D. their
答案:C
下列关于CO和CO2说法正确的是( )
A.都能溶于水
B.都能燃烧、放热
C.都是无毒气体
D.都可由碳与氧气反应制得
The southeast trade winds actually blow toward the().
A.Southeast
B.South
C.East
D.Northwest