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        亲贤臣，远小人，此先汉所以兴隆也；亲小人，远贤臣，此后汉所以倾颓也。先帝在时，每与臣论此事，未尝不叹息痛恨于桓、灵也。侍中、尚书、长史、参军，此悉贞良死节之臣，愿陛下亲之信之，则汉室之隆，可计日而待也。
        臣本布衣，躬耕于南阳，苟全性命于乱世，不求闻达于诸侯。先帝不以臣卑鄙，猥自枉屈，三顾臣于草庐之中，咨臣以当世之事，由是感激，遂许先帝以驱驰。后值倾覆，受任于败军之际，奉命于危难之间，尔来二十有一年矣。
         先帝知臣谨慎，故临崩寄臣以大事也。受命以来，夙夜忧叹，恐托付不效，以伤先帝之明，故五月渡泸，深入不毛。今南方已定，兵甲已足，当奖率三军，北定中原，庶竭驽钝，攘除奸凶，兴复汉室，还于旧都。此臣所以报先帝而忠陛下之职分也。……

植物的根生长最快的部位是（）

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   English is one of my s  ____  at school. I like it very much. I have learned it for three years. It is not easy to learn, but it is very i  ____ for us.
   English is the most widely spoken language in the world. People in different c  ____  often use English to talk with each other. Our country has opened its door to the world. More a ____  more people come here as travelers or on business . So English is getting common in our country. Of course, I must learn it w  ____    .
   English will be u   ____  to me after I leave school. If we want to do business with foreigners, we must know English, because most of them speak and write English. In the world, most science b  7 are written in English. I am learning English so that I can learn much k  ____ . After I have learned English, I can r   ____   short stories in English. I can also sing many English songs. English helps me e ____ myself after class.

已知：集合A={0，2，3}，定义集合运算A※A={x|x=a+b，a∈A．b∈A}，则A※A=____ 

学习是一个运用多种方法从感知历史到积累历史知识，再到理解历史的过程。根据要求，回答下列问题。

材料一：以下是中国近代化探索历程示意图。

材料二：以下是世界历史“跨入近代社会的门槛”线速示意图