更多"Global warming is the most serious "的相关试题:
[填空题]Global warming is the most serious problem humanity has ever faced, There’s more hype (宣传) on this (26) than any other. In the late 1970s computer models predicted that because of the heat-trapping buildup of carbon dioxide in the (27) , the earth would warm up by several degrees over the next century. A lot of bad weather gets linked to global warming: in the media, which regularly predict that more and (28) hurricanes, longer (29) and more (30) rainstorms will result.
What has actually been going on One computer model says the earth’s temperature should have already increased by an easily (31) 0.3 to 0.4 degrees Celsius since 1979. Some (32) , however, show that the earth’s temperature has actually cooled slightly over the last 18 years. And despite (33) , the frequency of intense Atlantic hurricanes and their (34) have not increased over the past half-century. If climate models tu
[单项选择]The problem with most Americans’ diet is that they ______.
A. drink too much milk
B. drink too much alcohol
C. consume too much meat and sugar
D. don’t get enough thiamine
[单项选择]The problem with most Americans’’ diet is that they________.
A. drink too much milk
B. drink too much alcohol
C. consume too much meat and sugar
D. don’’t get enough thiamine
[填空题]It is a big problem for most American parents to pay for their children’s college education.
[单项选择]This is not only an American problem, but a global one. The energy demand is driven by population growth especially in developing countries, in places that have emerging middle classes. Their focus is now on growth and on providing lifestyle and energy to their population. It’s not environment. But they’ll have to focus on it and do something about it.
Developing countries focus on all the following EXCEPT
A. economic growth.
B. providing lifestyles to people.
C. providing energy to people.
D. protecting the environment.
[单项选择]A very important world problem, if not the most serious of all the great world problems which affect us at the moment, is the increasing number of people who actually inhabit this planet. The limited amount of land and land resources will soon be unable to support the huge population if it continues to grow at its present rate.
In an early survey conducted in 1888, a billion and a half people inhabited the earth. Now, the population exceeds five billion and is growing fast—by the staggering figure of 90 million in 1988 alone. This means that the world must accommodate a new population roughly equal to that of the United States and Canada every three years! Even though the rate of growth has begun to slow down, most experts believe the population size will still pass eight billion during the next 50 years.
So why is this huge Increase in population taking place It is really due to the spread of the knowledge and practice of what is becoming known as "Death Control". You have n
A. to put forward the argument that world population has to be reduced.
B. to give a brief history of the growth in world population.
C. to emphasize how quickly the world population is rising.
D. to stress how large the world population is now.