从全文看，《鱼我所欲也》一文先后运用了____论证和____论证的方法，有力地证明了当义和生不能两全时，应舍生取义这一观点。

    Mr. Brown is a teacher. He is from New York, America. He would like（想）to work in China because he likes our country. He thinks Chinese people are very friendly and he likes to live in China. He is happy to work in our school. He likes the school life here. He teaches English. There are 50 students in his class. Mr. Brown is kind. He and his students are good friends, too.
    Now some of Mr. Brown's students play sports on the playground（操场）. Bill and Mike play tennis. Tom and John play ping-pong. The other students play basketball. Mr. Brown is happy to play basketball with them. They have a good time.
阅读上面的短文，根据短文内容，选择最佳选项。   

非公有制经济是社会主义市场经济的重要组成部分，国家出台相关条例促进其发展。这体现的唯物史观道理是

方程“2.4×6－8x=9.6”的解是（   ）

人从远处走近一直立的穿衣镜，他在镜中像的大小将（  ）