环境科学
TPO40-L2 Cape Cod
Listen to part of a lecture in an environmental conservation class.
- What is the discussion mainly about?
- A. Results of privatization in the cod-fishing industry
- B. Laws that regulate the cod-fishing industry
- C. A recent study on cod-fishing techniques
- D. Problems related to the overfishing of cod
- Why does the professor compare Cape Cod to Newfoundland?
- A. To explain how some of Cape Cod’s waters first became privatized
- B. To illustrate the enormous size of Cape Cod’s seventeenth-century cod population
- C. To explain why large-scale cod fishing began later in Cape Cod than elsewhere
- D. To highlight the results of two different evolutionary pressures on cod
- What change did scientists notice around Cape Cod after the 1940s?
- A. The amount of pollutants dumped into the ocean increased dramatically.
- B. Trawling ships violated fishing regulations more often.
- C. The cod population’s diet became less diverse.
- D. Cod began to mature at a younger age.
- What point does the professor make about reproduction among small cod fish as compared to larger cod fish?
- A. Eggs produced by smaller cod are less likely to survive.
- B. Smaller cod produce fewer eggs.
- C. The offspring of smaller cod do not live as long.
- D. Smaller cod produce eggs fewer times per year.
- What is the professor’s opinion of privatization for the management of an environmental resource?
- A. Privatization is an imperfect tool.
- B. Privatization should be tried more often.
- C. Privatization usually results in political conflicts.
- D. Privatization usually results in the best outcome.
- According to the professor, what was the result of the 200-mile exclusive economic zone declared by the United States and Canada?
- A. The cod population moved further out to sea.
- B. The cod population began to recover.
- C. More trawlers began fishing around Cape Cod.
- D. Penalties for overfishing were toughened.
答案：
D B D B A C
