[单项选择]Passage 3
Questions 33 to 35 are based on the passage you have just heard.
A. The loss of natural habitat for many species.
B. Less space for building new homes.
C. Less carbon dioxide and oxygen.
D. Reduced supply of paper and wood.

[单项选择]Passage 3
Questions 32 to 35 are based on the passage you have just heard.
A. The tractor.
B. The car.
C. The wheel.
D. The steam engine.

[单项选择]Passage 3
Questions 33 to 35 are based on the passage you have just heard.
A. Continued rainfalls.
B. The increase of carbon dioxide.
C. The disappearance of grasslands.
D. Less land for cows and sheep.

[单项选择]Questions 61—65 are based on Passage Two: Passage Two As the 21st century begins, a number of leaders in politics, education, and other professions believe that the US must adopt some new values to go along with the old traditional ones. What new values should Americans adopt This is a very difficult question to answer. Certainly, a greater value should be placed on the conservation of natural reasources; Americans should learn to use less and waste less. But conservation has never been a strong value to Americans, who have believed that their country offered an endless,abundant supply of natural resources. Recently, progress has been made—more and more Americans are recycling their paper,cans,bottles,and other goods—but old wasteful habits died hard. Furthermore,the need to protect the environment may conflict with the need for jobs,as in the Northwest ,where conservationists battle lumber companies that want to cut down ancient redwood trees. A belief in the value of
A. it makes people not believe in the government
B. it causes people to suspect but not to trust each other
C. it makes people even unable to cooperate well on local levels
D. it encourages people to gain success through individual hard work