如图是某生态系统中的食物网，根据图回答有关问题：
若-2的绝对值是a，则下列结论正确的是( ).
下面是对《西游记》的简单介绍。请从方框内所给词的适当形式填空，使短文完整。
influence, know, it, everyone, favorite, culture, history, novel
Journey to the West is one of the greatest ____ in China. It has a long ____ in China. It reflected Chinese great ____ The book has enjoyed great popularity among the people and has exerted a tremendous (巨大的) ____ on Chinese minds. Many of the characters and stories in the book ____ to ____ in China, not only including housewives, but also children. ____ writer is Wu Cheng'en. The Monkey King is our ____ character.
为了比较电阻R1和R2的大小，四位同学分别设计了如图所示的电路，在不改动电表连接的情况下，其中不能够比较出电阻R1和R2大小关系的电路是（ ）
对下列作品的分类，最恰当的一项是（ ）
①《楚辞》②《诗经》③《春夜宴从弟桃李园序》④《岳阳楼记》⑤《滕王阁序》⑥《项脊轩志》⑦《子鱼论战》⑧《与朱元思书》⑨《与陈伯之书》
