1. Population
    人口

2. Population is important to every person on Earth.
    人口情况对地球上的每个人来说都很重要。

3. People are amazed at your "insight" because most are so vain (爱虚荣的) they can't imagine how much they have in common with the rest of the population.
    他们会惊讶于你的"洞察力"，因为多数人太爱虚荣，以至想像不到自己实际和其他人一样平庸。

4. More than 80 percent of the population are peasants.
    百分之八十的人口是农民。

5. Ghana’s population has been growing by 3.2 percent a year.
    加纳的人口一直在以每年3.2%的速度增长。

6. China has a population of 1000 million.
    中国有十亿人口。

7. China, the country with the largest population in the world, is in Asia.
    中国，这个世界上人口最多的国家就是在亚洲。

8. One half of the world´s population are Asians.
    世界人口的一半是亚洲人。

9. It effectively spread the disease all over the continent and drastically reduced the rabbit population.
    蚊子把这种疾病扩散到整个澳洲大陆，效果甚佳，结果兔子的数目在为减少。

10. It later became apparent that rabbits were developing a degree of resistance to this disease, so that the rabbit population was unlikely to be completely exterminated.
    后来，明显看出，兔子对这种疾病已产生了一定程度的免疫力，所以兔子不可能被完全消灭。