单项选择题

Although there are weeks of negotiations ahead, and perhaps setbacks and new surprises, leaders of both parties are ______ that their differences can be resolved.

A．optimistic
B．perplexed
C．incredulous
D．uncertain
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单项选择题
Because time in India is conceived statically rather than dynamically, Indian languages emphasize nouns rather than verbs, since nouns express the more ______ aspects of a thing.
A．paradoxical
B．prevalent
C．temporal
D．stable
单项选择题
Although Ms. Brown found some of her duties to be ______, her supervision of forty workers was a considerable responsibility.
A．ambiguous
B．provisional
C．menial
D．unique
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