4.　　　　 如果觉得沮丧，没有什么事情抵得上看见朋友的笑脸。

3.　　　　 在中国，人们握手问候彼此。

2.　　　　 我们朝镜子中的自己笑来使自己感觉开心。

1.　　　　 全世界人都能明白的肢体语言的首例是微笑。

5.　　　　 He paid the man ten dollars for washing ten windows,most of them had not been cleaned for years.

4.　　　　 Her job is for designing new machines.

3.　　　　 You can improve spoken English by making mistakes and corrects them.

2.　　　　 He has devoted his life to fight against all political and social injustices.

1.　　　　 Put up one’s hand is to say “Let me try”.