单项选择题

Which of the following best summarizes the text

A．As the UN hesitates, the poor take action.
B．Progress in environmental protection has been made since the Rio Summit.
C．Climate changes can no longer be neglected.
D．The decline of earth's life-support systems has been halted.

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单项选择题

The word deforestation in Paragraph 3 means

A．forest damage caused by pollution.
B．moving population from forest to cities.
C．the threat of climate change.
D．cutting large areas of trees.

单项选择题

The reason that the Turkish ruler collected a dining tax is to pay for

A．the inconvenience for him to put on and take off clothes.
B．the damage that eating did to his teeth.
C．his efforts to cut the food into pieces.
D．the decay of his teeth because of sugar.