[单项选择]The world's population is becoming ______.
A. larger and larger
B. more and more
C. faster and faster
D. more terrible

[单项选择]The world's population is becoming ______. ( )
A. larger and larger
B. more and more
C. faster and faster
D. more terrible

[单项选择]When did the world's population reach six billion


A. October 10, 1999.
B. October 11, 1999.
C. November 10, 1999.
D. November 11, 1999.

[单项选择]When will the world's population hit 10 billion


A. 2010.
B. 2002.
C. 2036.
D. 2054.

[单项选择]The world's population will be getting less.

[单项选择]It is expected that the world's population will reach ______ by the end of the century.
A) 2 billion people C) 80 percent of all people
B) 4.4 billion people D) 6.4 billion people

[单项选择]How long did it take for the world's population to increase from 2 billion to 3 billion


A. 304 years.
B. 123 years.
C. 33 years.
D. 14 years.

[单项选择]If we want to feed the world's population in 2050, our food production needs ______.


A. to increase by 30 percent
B. an increase of 300 percent
C. to increase to 3 billion tons per year
D. an increase of three times

[单项选择]If the world population is increasing continuously，food supplies will not be ______ to feed them.
A. sufficient
B. efficient
C. equal
D. effective

[单项选择]World population will continue rising from the current 5 billion until about 2050, but if the trends of the 1980s continue, it will ______ at about 9 billion.
A. level up
B. level off
C. level on
D. level down

[单项选择]What percentage of the world population is illiterate


A. More than 1/3.
B. More than 1/5.
C. More than 1/4.
D. A little Jess than 1/4.

[单项选择]By the year of 2010, the world population probably ______ 6 billion.
A. have reached
B. will be reaching
C. will have reached
D. is reaching

[单项选择]

C
The world itself is becoming much smaller by using modem traffic and modem communication means. Life today is much easier than it was hundreds of years ago, but it has brought new problems. On, of the biggest is pollution. To pollute means to make things dirty. Pollution comes in many ways. We see it, smell it, drink it and even hear it.
Man has been polluting the earth. The more people, the more pollution, many years ago, the problem was not so many people. When the land was used up or the river was dirty in one place, man moved to another place. But this is no longer true. Man is now slowly polluting the whole world.
Air pollution is still the most serious. It’s bad for all living things in the world, but it is not the only one kind of pollution man makes. Water pollution kill our fish and pollutes our drinking water. Noise pollution make us angry more easily.
Many countries are making rules to fight pollution. They stop people fro
A. Many countries are making rules to fight pollution.
B. The pollution of the earth grows as fast as the world's population does.
C. If people could go to work by bus or bike instead of car or motorbike it would be helpful in fighting against the problem of SO₂.
D. The problem of pollution is not so serious because there are not so many people living on the earth.