单选题：The ability to react to environmental stimuli is a basic and

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题目内容：

The ability to react to environmental stimuli is a basic and general characteristic of living organisms. A．A　reject
B．B　repeat
C．C　return to
D．D　respond to

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The fast food chains began to flourish with __________.

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We can learn from the passage that ____________.

We can learn from the passage that ____________.A．A　some feedback mechanisms may

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持有会计从业资格证书的人员应当接受继续教育，持证人员每年参加培训的学时（　　）。

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请在（44）处填上最佳答案。

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