单项选择题

The accepted （） of adepuate diet have been challenged by new discoveries in nutrition.

A．formations
B．components
C．standards
D．ingredients

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热门试题

单项选择题The new currency will get into （） soon.

A．circuit
B．circulation
C．circular
D．circle

单项选择题Susan will come to watch him （） at Wimbledon this week.

A．played
B．play
C．to play
D．playing