口语交际
A:Hi, Mike, 小题1:_______
B: Yes ,Ido. It’s more than 6 billion.
A: Wow, that’s large! 小题2:_______
B: Yes.It will reach about 9 billion by 2050.
A: 小题3:___________
B: It’s going to be bad. 小题4:_____. We won’t have enough food,water,or energy in the future.
A; 小题5:_________
B: Yes, it is.Governments all over the world are working to solve the problem.
A: I hope the population of the world won’t grow so fast.
B: Me ,too.