更多"The present net increase of world p"的相关试题:
[单项选择]Which statement is TRUE about population increase
A. There might be an increase of 2.2 billion persons from now to the year 2000.
B. About 50,000 babies are born every, six hours at present.
C. Between 8000 B.C. and the present, the population increase is about 80,000,000 persons each year.
D. The population increased faster between 8000 B. C. and 1650 than between 1650 and the present.
[单项选择]The population of the world is growing at a dangerous________.
A. pace
B. measure
C. progress
D. rate
[单项选择]The huge increase in world production and population______.
A. has made the world a worse place to live in
B. has had a positive influence on the environment
C. has not significantly affected the environment
D. has made the world a dangerous place to live in
[单项选择]The population of the world today is about______ .
A. 400 million
B. 4 billion
C. 400 million
D. 40 billion
[单项选择]The current rate of annual increase in the world population is about
A. 9 million
B. 5.7 million
C. 90 million
D. 20 million
[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]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]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]It is expected that the world's population will reach ______ by the end of the century.
A. 2 billion people
B. 80 percent of all people
C. 4.4 billion people
D. 6.4 billion people
[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]It took ______ years for world population to grow from 1 billion to 3 billion.
A. 100
B. 115
C. 130
D. 145
[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 may have population of 12 billion in a century.
A. If man can live longer in the future
B. If the science of medicine is developing fast enough
C. If the population growth is not reduced
D. If the earth is able to provide a good life for more people
[单项选择]It took ______ for the world to increase its population from 1 billion to 4 billion.
A. 100 years
B. 145 years
C. 1975 years
D. Over two million years
