3的正整数次幂:31=3,32=9,33=27,34=81,35=243,36=729,37=2187,38=6561…观察归纳,可得32007的个位数字是( )
A:1
B:3
C:7
D:9
—He is ________ and I don't think he'll help us with anything.
下列地点中,符合东半球、北半球,低纬度三个条件是( )
﹣ Do you know that the Terracotta Army in China is more than 2, 000 years old?
﹣ Wow! ____!