Questions 3 and 4 are based on the news report you have just heard.[音频]3
A. Testing the efficiency of the new solar panel.
B. Providing clean energy to five million people.
C. Generating electric power for passing vehicles.
D. Finding cheaper ways of highway construction
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4
A. They are only about halfan inch thick.
B. They are made from cheap materials.
C. They can be laid right on top of existing highways.
D. They can stand the wear and tear of natural elements
Questions 5 to 7 are based on the news report you have just heard.[音频]5
A. The lack of clues about the species.
B. Inadequate funding for research
C. Endless fighting in the region
D. The hazards from the desert
6
A. To observe the wildlife in the two national parks.
B. To study the habitat of lions in Sudan and Ethiopia.
C. To identify the reasons for the lions’ disappearance
D. To find evidence of the existence of the “lost lions”
7
A. Lions’ tracks.
B. Lions walking
C. Some camping facilities
D. Traps set by local hunters
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