题目内容

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A. The huge cost of the pollution treatment.
B. The technical barriers to melting plastic.
C. The harm caused in the process.
D. The plastic waste crisis in about five years.

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Questions 6 to 7 are based on the passages you have just heard.

A. They focus on marine tourism and industrial fishing.
B. They focus on the coastline attractions and commercial fishing.
C. They focus on the commercial fishing alongside the Indian ocean.
D. They focus on tourism in their inland and coastline attractions.

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A. Tourist communities are at a risk of extinction.
B. It is dangerous to fish along the Indian Ocean.
C. Marine resources along the sea will be destroyed.
D. It is less important to develop the “blue economies.”

Long conversations: Questions 8 to 10 are based on the conversation you have just heard.[音频]

At a park.
By a river.
C. At the beach.
D. At Dave’s house.

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A. Five.
B. Six.
C. Seven.
D. Eight.

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