选择正确的词语。

勉（A.励 B.历）____自己出类拔（A.萃B.翠）____

在一片赞扬声中，我们的头脑要保持（A.平静B.安静C.冷静）。____

—I'm ________ a postcard.

殖民地联合起来挑战宗主国是破天荒的大事。200多年前，领导北美13个殖民地做了这件“破天荒”大事的英雄人物是（   ）       

    Anna is a Chinese girl . She is ten . She is in London with her parents. She doesn't know much English. She can't speak English well. Sometimes her friends don't understand her .

    It's Sunday morning .She is going to the zoo to see the panda . She is waiting at a bus stop .At the bus stop she asks a boy how to go to the zoo. But the boy can't understand her .Then she takes out a pen and some paper. She draw a panda on it and shows the picture to the boy .The boy smiles and then shows her the way to the zoo.