单项选择题

The author would like to see ______.

A．more buildings erected in the forests
B．fig trees planted in all forests
C．scientific efforts diverted to bomb making
D．the preservation of as many diverse species as possible

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单项选择题

Which of the following statements can be inferred from the passage

A．Forests could not function without the fig wasp.
B．Forest will recover no matter what we do to them.
C．If man does not acquire an understanding of his relationship to the forest and other habitats, there will be an ecological disaster.
D．Scientists' long-term contribution to the quality of life depends on their fig wasp researc

单项选择题

The author's attitude to the ecological situation of the tropical forests is ______.

A．alarm and urgency
B．indifference and callousness
C．puzzlement and wonder
D．detached and scholarly