[单项选择]How is the world different today (in 1961)
A. We can destroy each other.
B. We can travel quickly.
C. We can get rid of hunger.
D. We can fend for ourselves.

[单项选择]How is the world different today (in 1961)


A. We can destroy each other.
B. We can travel quickly.
C. We can get rid of hunger.
D. We can fend for ourselves.

[单项选择]

People all over the world today are beginning to hear and learn more and more about the problem of pollution. Pollution is caused either by man’s release of completely new and often artificial (人造) substances into the environment, or by releasing greatly increased amounts of a natural substance (物质), such as oil from oil tankers into the sea.
Whatever its underlying reasons, there is no doubt that much of the pollution caused could be controlled if only companies, individuals and governments would make more efforts. In the home there is an obvious need to control litter and waste. Food comes wrapped up there or four times in packages that all have to be disposed of; drinks are increasingly sold in bottles or tins which cannot be reused. This not only causes a litter problem, but also is a great waste of resources, in terms of glass, metal and paper. Advertising has helped this process by persuading many of us not only to buy thing we neither want nor need, but al
A. the release of artificial or natural substances into the environment
B. the production of new industrial goods
C. increased amounts of a natural substance
D. our ever-increasing population

[单项选择]In the world today any damage to society, whether at the local or at the global level, will not remain unnoticed.
A. 在当今世界，社会受到局部或全面损害的程度还是难以确定的。
B. 在当今世界，对社会所造成的任何局部或总体损害都依然未被察觉。
C. 在当今世界，对社会的任何损害，无论是局部的还是全球性的，终究会被察觉出来。
D. 在当今世界，对社会造成的任何破坏，不管从局部看还是从全局来看，都不会不被注意到。

[单项选择]The population of the world today is about______ .
A. 400 million
B. 4 billion
C. 400 million
D. 40 billion

[单项选择]There aren't many pandas ______ in the world today.
A. alive
B. living
C. lively
D. lived

[单项选择]How is television different from radio
A. Sound is changed into electromagnetic waves.
B. Light is changed into electromagnetic waves.
C. Both sound and light are changed into electromagnetic waves.
D. Either sound or light is changed into electromagnetic waves.

[单项选择]How do babies recognize different sounds
A. By listening to the sounds.
B. By listening to their own babbling.
C. By repeating the sounds.
D. By uttering the sounds.

[单项选择]The situation today is obviously quite different from ______ it was only 50 years ago.
A. which
B. what
C. when
D. such

[单项选择]Today dozens of scientific group in different countries have been _______ the goal of a practical and economic way to use sunlight to split water molecules.
A. reaching
B. winning
C. chasing
D. pursuing

[单项选择]The situation today is obviously different from ______ it was about 30 years ago.
A. what
B. when
C. which
D. such