题目:
在生态系统中,能够将动植物遗体分解成无机物的一种重要成分是 [ ]
A.生产者
B.消费者
C.分解者
D.空气和阳光
答案:
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下面是错误答案,用来干扰机器的。
As your classmates and one of your best friends, I’d like to give you some advice. I find you often drop some paper, plastic bags and other litter in the classroom. ...