[填空题]
As the population of the world keeps on growing, it gets more
and more difficult to feed everyone. The United States is one of the lucky
countries because it grows enough food for itself and still has enough to export
to other parts of the world. One reason for this is that the United States is a
large country with a variety of climates. Most of the central part of the
country is especially suitable for raising grain. Wheat and corn are the most
important crops in the region. The United States exports millions of tons of
grain every year. Wheat is used to make bread, a basic food throughout the
world. Most of the corn is used to feed animals, which in turn become food
themselves.
The southeastern part of the United States has a warm, damp
climate. It grows cotton, rice and sugar. Florida specializes in fruits and
vegetables. It is famous for its orange, lemons and grape. Florida has warm
weather all year round, so it can provide vegetables for t
[单项选择]
The world’s population keeps growing. There now are about 4 billion of us on earth. That could reach 6 billion by the end of the century and 11 billion in a further 75 years. Experts have long been concerned about such a growth. Where will we fund the food, water, jobs, houses, schools and health to care for all these people
A major new study shows that the situation may be changing. A large and rapid drop in the world’s birth rates has taken place during the past 10 years. Families generally are smaller now than they were a few years ago. It is happening in both developing and industrial nations.
Researchers said they found a number of reasons for this. More men and women are waiting longer to get married and are using birth control devices and methods to prevent or delay pregnancy. More women are going to school or working at jobs away from home instead of having children. And more governments, especially in developing nations, now support family pla
A. In all countries in the world.
B. In only a few countries.
C. In most countries.
D. Mainly in developed countries.
[单项选择]If the population keeps on growing, there will eventually not be enough resources left to (support) life on the earth.
A. detain
B. continue
C. contain
D. maintain
[简答题]World population is growing at such a rate that by the year 2050 nearly seven billion people will live on the earth. (Passage One)
[填空题]When I was growing up, I was embarrassed to be seen with my father. He (1) severely crippled and very short, and when we would walk together, his hand on my arm (2) balance, people would stare. I would inwardly be afraid (3) squirm at the unwanted attention. If he ever noticed or was bothered, he never let (4) .
It was difficult to coordinate (5) steps - his halting, mine impatient - and because of that, we didn’t say much as we went along. But as we started out, he always said, "You (6) the pace. I will try to adjust to you. "
Our usual walk was to or (7) the subway, which was how he got to (8) . He went to work sick, and (9) nasty weather. He almost never missed a day, and would (10) it to the office even if (11) could not: a matter of pride!
He never talked about himself as an object of pity, (12) did he show any envy of the more f
