单项选择题
以下生理过程,产生能量的是?
A、运动
B、发光
C、主动运输
D、呼吸
以下生理过程,产生能量的是?
A、运动
B、发光
C、主动运输
D、呼吸
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Let me help you carry the suitcase. – ()
Let me help you carry the suitcase. – ()
A.It’s OK. I can manage.
B.It’s not very light.
B.I can help you with it.
D.Put it down on the ground.
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At the end of 2004, there were around 6,000 foreign printing companies in China,
At the end of 2004, there were around 6,000 foreign printing companies in China,
A.made
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