22 is one of the + 最高级 + n（pl。）…

　　我们都为姚明感到骄傲，因为他是世界上最好的篮球运动员之一。

　　We are all proud of Yao Ming because he is one of the best basketball players in the world。

　　周杰伦是中国最流行的明星之一。

　　Jay Chou is one of the most popular stars in China。

　　肯德鸡是全世界最火爆的快餐店之一

　　KFC is one of the hottest fast food restaurants in the world。

23 It is +adj。 for sb。 to do sth。

　　对孩子们来说，在动物园里观看各种各样的动物是很有趣的，对吗？

　　It’s very interesting for children to watch all kinds of animals in the zoo， isn’t it？

　　对他来说三天看完这么厚的书是很难的。

　　It’s difficult for him to finish reading such a thick book within three days。

　　在课上作笔记很有帮助。

　　It is helpful for us to take notes in class。