I'll tell you1about my English teacher, Mrs. Wang. She is a middle-aged woman. She is not tall and not short , and she is also not2and not thin . She3long black hair. She likes4a red dress. She is very beautiful. She5very good English . She has three classes a week , but they aren't6Tuesday or Friday. All the students in her class love her very much.

    Mrs. Wang lives not7the school. She walks to school with her son and her daughter early every morning. Her two children are8.They look the same. They are in Grade Two, but they are not in9class . They often wear the same clothes. They look very10.

60年前，美国国会一位议员评论周恩来在某次重大会议中的作用时说：“周恩来并不打算改变任何一个坚持反共立场的领导人的态度，但是他改变了会议的航向．”这次重大会议是指（    ）