题目内容

According to the essay, we can conclude that the forest fires in Australia in 2019 are largely a result of global warming and a cause of further global warming.

A. 对
B. 错

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石韦来源于水龙骨科植物____.石韦.或____的干燥的叶。

石韦的性状特征?

番泻叶的性状特征如何?

链条链接数一般采用奇数设计

A. 对
B. 错

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