题目内容

There are many serious problems in the world today. One of the greatest problems is ____ the population problem. The world's population is growing _____. Two thousand years ago, there were only 250 ____ people in the world. One thousand ,six hundred years later, the number was over 500 million. In 2000, there were over six billion. In 2013, the world's population passed 6 billion. ___ it has reached 6.8 billion.

___ the large population, there will be ____ living space for people. And it's very hard for so_____people to find jobs. What's_____,large population will cause many difficulties for the whole world. For example, we will ______ energy and water. Most cities will be more crowded than before , and the traffic will be much heavier. So lots of countries are taking more_____to control the population now.

1.A. probably B. must C. may be D. may

2.A. fastest B. more fast C. the faster and the faster D. faster and faster

3.A. thousand of B. thousand C. million D. millions of

4.A. So far B. From now on C. At that time D. At times

5.A. As B. Because C. Because of D. Since

6.A. less B. more C. little D. much

7.A. many B. a number of C. few D. little

8.A. bad B. better C. worse D. good

9.A. be short of B. be more of C. lose D. lost

10.A. ways B. methods C. measures D. policies

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