Question

 Ten years ago, the world's population was about 6 billion. By the end of October, 2011 ，it reached 7 billion.

With five babies being born every second, the world's p 1 will increase by 78 million every year.

  It's reported that the next landmark(里程碑)number will be 8 2 ( /'blljan/) before 2040.

The population 3 rapidly. Most of them come from the world's poorest countries. It is expected(期望)to double the 4 (数字) over the next ten years.

  Robert Kunzig is a writer. He wrote an article n  5  7 Billion. In the article, he said, " 6 (I Would) the population still growing by about 80 million each year,it's 7 not to be alarmed(恐慌).Right now on Earth，water level is falling, soil is polluted, and many kinds of fish are 8 (消失).Nearly a billion people are h 9 each day."

  Researchers(研究者)say the world's population will10 (/riitf/) about 9 billion in the middle of the century.

  "How are we going to feed 9 billion people by 2050? It is a hard problem to solve," said Mr Kunzig.

1.___________ 2._________  3.__________

4._________  5._________  6.___________

7.___________ 8._________  9.___________

Answer 1

1. population 2. billion 3. increases 4. number 5. named 6. With

7. hard 8. disappearing 9. hungry