[单项选择]The passage implies that many countries lay great emphasis on education because ______.


A. they want to get back monetary rewards
B. without education, people would be deprived of the greatest twentieth century opportunities
C. they want to cultivate the potential leaders
D. the well educated generation is the future of those countries

[单项选择]A great many teachers firmly believe English is one of the poorest-taught subjects in high schools at present.（　）
A. A great many teachers
B. firmly
C. poorest-taught
D. at present

[单项选择]A great many new buildings（）last year.
A. built
B. were built
C. has been built
D. have built

[单项选择](A great many teachers) (firmly) believe English is one of the (poorest—taught) subjects in high schools (at present).


A. A great many teachers
B. firmly
C. poorest—taught
D. at present

[单项选择]A great many cancers can be cured but only if ______ before they have begun to spread or "colonize" in other parts of the body.
A. properly treat
B. properly treating
C. being properly treated
D. properly treated

[单项选择]Her new job______a great many business trips to different places in the country.
A. offers
B. provides
C. concerns
D. involves

[单项选择]According to the passage, less developed countries ______.


A. Spend little on research
B. realize that progress depends on basic research
C. encourage their career scientists to experiment
D. devote less than 7% of their scientific budget to basic research

[单项选择]It can be inferred from the passage that countries currently industrializing ______.

[单项选择]

There have been many great (21) . The first great invention was one that is still very important to day--the wheel. This made it easier to carry (22) things and to travel long distances.
In the early 1800s the world (23) to change. There was little unknown land left in the world. People did not have to explore much any more. They began to work instead to make life belier.
In the second half of the 19th century many great inventions were made. Among them were the camera, the electric light and the radio. These all became a big part (24) our life today.
The first part of the 20th century saw more great inventions: the helicopter in 1909, movies with sound in 1926, the computer in 1928, and jet planes in 1930. This was also a time (25) a new material was first made. Nylon came out in 1935. It changed the kind of clothes people wore.
The middle part of the 20th century brought new ways to help people (26) disea
A. over
B. come
C. get over
D. get back