教学内容：
一．典型例题
例1．
解疑：本题主要综合运用方根的概念，零指数幂，负整数指数幂等知识。
例2．阅读下列一道题的解答过程，判断是否正确，如若不正确，请写出正确的解答过程。
化简：
解疑:这道题隐含着a
国内英语资讯:Xi calls for world-class military research, educational institutions
体坛英语资讯：Chinese duo fall short in mixed diving team event at the worlds
什么是最好的朋友What Is the Best Friend
国内英语资讯:Chinas economic growth to stay constant in next quarters: VP Bank
Waste products key to boosting UK biofuels 废物残渣是增加英国生物燃料产量的关键
国际英语资讯:On Nelson Mandela Day, UN calls for actions to improve world
国际英语资讯:NAFTA renegotiation positive for agricultural sector, says Mexico
国内英语资讯:China announces import ban on 24 types of solid waste
体坛英语资讯：IAAF World U-18 Championships end in success despite musing some big names: official
国际英语资讯:Iran warns U.S. to pay dearly for sanctions over its missile program
国内英语资讯:Top graft-buster stresses supervision in poverty alleviation
国际英语资讯:News Analysis: Italy migrant crisis could start to have impact on political landscape with e
国内英语资讯:China stresses work safety, flood control
瑞士入籍考试遭炮轰 问题奇葩 流程“任性”
你需要知道的NBA球星的那些事
在你们那里，如何一眼看出外地人
国内英语资讯:China supports two-state solution on Palestinian issue: President Xi
国内英语资讯:Chinese FM calls for dialogue, greater role of GCC on Qatar diplomatic crisis
史上最烂发明：宠物爱抚器、扇子筷叉、美甲鞋（组图）
Signature move?
国际英语资讯:Mercosur summit promotes pact with Pacific Alliance
Collaboration 和 cooperation 的区别
体坛英语资讯：Kenya confirms Rudishas participation in London 2017 IAAF Worlds
Option, selection, alternative and choice 四个表示“选择”的单词
宠物拍照神器，你家汪星人终于能好好照相了！
体坛英语资讯：Sammer and Ancelotti battle it out over Mueller and James
对中国80后、90后来说，自我价值才是奢侈品
体坛英语资讯：Turkey host Summer Deaflympics in Samsun
国内英语资讯:China increases U.S. treasuries holding in May
峡谷中挂帐篷、峭壁旁铺睡袋，这些极限露营照是真的吗？