更多"It is postulated that population tr"的相关试题:
[单项选择]It is postulated that population trends have an effect on economic fluctuations.
A. challenged
B. assumed
C. deducted
D. decreed
[单项选择]What is the concept most people have on population growth
A. The population is always in constant geometric growth.
B. Rapid growth is followed by stable growth.
C. Decelerated growth is following by a decline.
D. No growth at all.
[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
[简答题]话题类别 环境类
考题文字： Human activities have negative effect on plants and animal species. Some people think that it is too late to do anything about this problem. Other people believe that effective measures can be taken to improve this situation. Discuss both views and give your own opinion.
[单项选择]__________ the population is too large, we have to take measures to control the birth rate.
A. Although
B. Since
C. If
D. Until
[单项选择]It is postulated that a cure for the disease will have been found by the year 2000.（ ）
A. challenged
B. assumed
C. deducted
D. decreed
[单项选择]The word "postulated" in line 19 is closest in meaning to
(a) analyzed
(b) doubted
(c) persuaded
(d) suggested
[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.
[简答题]日本石器时代的人
population rise
[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]Unless the population growth stabilizes, environmentalists predict a worldwide starvation by the next decade.
A. famine
B. shortage
C. rebellion
D. infection
