单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．He’s been in the program for several days.
B．He’s working hard on the program.
C．He works only during the day.
D．He will probably never finish.
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单项选择题
The critics of rich world environmentalists' campaign against pollution in poor countries hold that poor countries should be more concerned about ______.
A．the potential greenhouse effect
B．the bad consequences of genetically engineered crops
C．how to get rid of poverty
D．how to develop education
单项选择题
It is conventionally thought that ______.
A．only rich countries can afford to care about environmental problems
B．developing countries should also be thinking about the environment
C．environmental problems exist only in the rich world
D．rich countries have not paid enough attention to the health of the planet
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