A:Turn left at the street.
B:Across the road.
C:Go down this street and turn left at the traffic lights.
-- Tomorrow is David's tenth birthday.
-- Yes. Let's give CD. He likes music.
移植总数(n)
10
50
270
400
750
1500
3500
7000
9000
成活数(m)
8
47
235
369
662
1335
3203
6335
8118
成活的频率 mn
0.800
0.940
0.870
0.923
0.883
0.890
0.915
0.905
0.902
由此可以估计幼树移植成活的概率为____.
I'm a____. My name is Kitty. I ____ thin. I have ____ eyes.