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单项选择题

Conversation One

A. Mental and physical health.
B. Slim figure.
C. Quick response.
D. Proper thinking.
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热门试题

单项选择题A. Apple. B. Energy Star. C. Sony, D. Microsoft.

A. Apple.
B. Energy Star.
C. Sony,
D. Microsoft.

单项选择题A. Flies need less sleep than humans. B. Humans need a similar amount of sleep with flies. C. The amount of human sleep is determined by certain gene. D. Flies can determine how much sleep they need.

A. Flies need less sleep than humans.
B. Humans need a similar amount of sleep with flies.
C. The amount of human sleep is determined by certain gene.
D. Flies can determine how much sleep they need.