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]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]National poverty was （） by rapid population growth.
A. strengthened
B. reinforced
C. aggravated
D. reduced
[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]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]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]These plastic bags will ______ damage to environment.
A. make
B. do
C. lay
D. create
[单项选择]Don't speak unless you
A. ask to
B. are asked to
C. asked
[单项选择]The Canadian population is chiefly characterized by ______.
A. its size
B. its growth
C. its linguistic duality D. its French origins
[单项选择]（ ）is the population of China
A. How much
B. How many
C. Which
D. What
[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]What was the worlds population in 1500
A. 300 million.
B. 310 million.
C. 500 million.
D. 510 million.
