August (八月) is the ______ month of a year. [ ]
A. ninth
B. eightth
C. nineth
D. eighth
答案:D
若圆的半径为4cm,假设半径增加xcm时,圆的面积增加ycm2,则y与x之间的函数关系是( )。
On my visit to Australia, I feel Australians are similar ______ us in many ways.
A.with
B.in
C.to
D.at