Mr. Smith is my new friend. He1from Paris, France. He is a French2of a middle school. His students all like3very much. He can speak some Chinese,4not much. He wants to learn more, so he goes to5 classes every week. He likes living and working6China very much. He7 the Chinese people are very friendly(友好的). He has two8, Maria and Tom. They are students, but they go to different(不同的)9. They have some pen pals and they often write10 the pen pals. They also have many Chinese friends at school and they play games after class.

如图，在直角三角形ABC中（∠C=90°），放置边长分别3，4，x的三个正方形，则x的值为（　　）

人在发脾气时，分泌量增加的激素是（ ）

反腐没有休止符。我们党将坚持零容忍的态度不变、猛药去疴的决心不减、刮骨疗伤的勇气不泄、严厉惩处的尺度不松，做到有腐必反、有贪必肃。据此回答问题。