单项选择题

Questions 26 to 29 are based on the passage you have just heard.

A. Work hard to pay whole attention. B. Use a considerable amount of mental effort.
C. Use a moderate amount of mental effort. D. Sit still and give total concentration.
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单项选择题
A. The dust in the sky. B. The hole in the ozone layer. C. The fresh smell in the air. D. The gathering-up of clouds.
A. The dust in the sky. B. The hole in the ozone layer.
C. The fresh smell in the air. D. The gathering-up of clouds.
单项选择题
According to Townsend,who was responsible for turning people off to sustainable lifestyles
A. Environmental groups and government.
B. Sustainability consultancy.
C. Some government agencies.

D. The UNEP.
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