Listen to the recording
A. It is more practical.
B. It is cheaper.
C. It is more sensitive.
D. It is more accurate.
Questions 4 to 5 are based on the passages you have just heard.
A. Two scientists have found how to convert plastic into petrol.
B. Two non-scientists have invented a plastic-to-fuel converter.
C. Two scientists have discovered cheaper fuel in remote countries.
D. Two non-scientists have proposed a solution to the energy crisis.
Listen to the recording
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.
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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