单项选择题

The purpose of the passage is to ______.

A．analyze the possible causal links between Tibetan ecology and society
B．describe the social organization of typical Tibetan villages
C．describe Tibetan fauna and flora
D．analyze the mysterious of the sudden appearance of the Himalayas

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热门试题

单项选择题

She is ______ enough when she is not preoccupied with business problems.

A．amiable
B．affable
C．obliging
D．agreeable

单项选择题

His maturity appears in the ______ clear-sightedness with which he could observe his own character.

A．indifferent
B．unconcerned
C．detached
D．incurious