正确答案:

题目：保护生物多样性是实现人类社会可持续发展的基础。下列对生物多样性的理解正确的是

解析：C

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学习资料的答案和解析：

[单选题]When problems occur, winners take them as ________

chances for self-development

解析：

文中最后一段. Winners don't have fewer problems in their lives; they have just as many difficult situation to face as anybody else.

[多选题]下列蕨类植物中，具异型孢子的是( )。

卷柏

水韭

解析：AB