单项选择题

Optimism is a （）shown to be associated with good physical health, less depression and longer life.

A．trail
B．trait
C．trace
D．track

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单项选择题

Erik's website contains （）photographs and hundreds of articles and short videos from his trip around the globe.

A．prosperous
B．gorgeous
C．spacious
D．simultaneous

单项选择题

He has （）to museums hundreds of his paintings as well as his entire personal collection of modern art.

A．ascribed
B．attributed
C．designated
D．donated

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