更多"Unless the population growth stabil"的相关试题:
[单项选择]Unless the population growth stabilizes, environmentalists predict a worldwide starvation by the next decade.
A. famine
B. shortage
C. rebellion
D. infection
[单项选择]National poverty was （） by rapid population growth.
A. strengthened
B. reinforced
C. aggravated
D. reduced
[单项选择]The main reason for the population growth isn't so much a rise in birth rates ______ a fall in death rates as a result of improvements in medical care.
A. and
B. but
C. or
D. as
[单项选择]The population will be increasing very fast unless they（） with new methods to deal with it.
A. come to
B. come away
C. come over
D. come up
[单项选择]Reducing population growth improve both ______ of people and the environment.
A. health
B. the health
C. healths
D. the healthy
[单项选择]The population growth rate in the US is ______.
A. higher than that in India
B. lower than that in Mexico
C. higher than that in Indonesia
D. lower than that in South America
[单项选择]The chief reason for the population growth isn't so much a rise in birth rates a fall in death rates as a result of improvements in medical care.
A. but
B. or
C. as
D. and
[单项选择]Addition of any chemical compound to the environment in quantities ______ a significant fraction of the total content of gasoline may have unexpected environmental consequences.
A. that constitute
B. which constitutes
C. that are substituted by
D. which substitute
[单项选择]If everyone makes a contribution （ ） the environment, the world will become much more beautiful.
A. protect
B. to protect
C. protecting
D. to protecting
[单项选择]Scientists assume that unrestrained population growth and dwindling resources may force humans to look to the sea for food.
A. unavoidable
B. unexpected
C. unchecked
D. unfortunate
[单项选择]Which state has the largest population
A. California.
B. Alaska.
C. Los Angeles.
[单项选择]（）is the population of China
A. How much
B. How many
C. Which
D. What
[单项选择]What was the worlds population in 1500
A. 300 million.
B. 310 million.
C. 500 million.
D. 510 million.
[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.
