题目

The new book Harry Potter and the Half-Blood is warmly welcomed by the children in China. It sells well across China. You can see and hear the advertisements about the book here and there. Why is the book so attractive (吸引人的) to children? After reading it, I was attracted by the magic world. I can not help asking: where is our own Harry Potter? China has a long history and colorful culture. With a large market of teenagers, China published (出版) many popular books among children. However, why are the present books not as good as those foreign ones? Firstly, quiet a number of childre9．甲数是25，乙数是甲数的9倍，丙数是乙数的4倍，丙数是900．