多项选择题
典型的土壤养分再循环过程包括()
A.生物吸收养分
B.生物残体还归土壤
C.微生物分解生物残体
D.养分被生物吸收
典型的土壤养分再循环过程包括()
A.生物吸收养分
B.生物残体还归土壤
C.微生物分解生物残体
D.养分被生物吸收
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I bought this painting in my country. I hope you lik
I bought this painting in my country. I hope you lik
A.It’s a pity.
B.You are welcome.
C.That’s just what I want!
D.Is it expensive?
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Thanks a lot. You’ve gone through so much trouble.
Thanks a lot. You’ve gone through so much trouble.
A.It’s no trouble at all.
B.That’s good.
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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.