16．
The book Earth Saver Girl was written by Brooklyn Wright．It is about the story of Layla，a 9-year-old girl，became a super hero．When Layla finds out she has super powers（超能），she decides to help keep the earth away from rubbish．
In the second grade，after learning about environment protection in school，Brooklyn began to notice the rubbish problem in her local community．She noticed that many people didn't care about it at all．She wanted to convincethem that rubbish is really bad for our earth，so she had an idea of writing the book Earth Saver Girl，she believed that students at her age would listen to a"super hero"．She wanted everyone to know that they had the power to make a difference．
Brooklyn has given many speeches about the book and the environment problem．At first，people say things like"Who cares？Rubbish is dirty!"，but by the end of her speech，they want to become another Layla to keep rubbish away．
Now Brooklyn has even bigger plans for Earth Saver Girl in the future．"Just remember．"Brooklyn says，"you're never too young to make a difference．"
52．Brooklyn got the idea of writing the bookA．
A．when she was in Grade 2
B．when she was in Grade 9
C．when she met a super hero
D． when she was nine years old
53．What does the underlined word"convince"mean in Chinese？It means"C"．
A．警告
B．鼓励
C．使信服
D．惩罚
54．People mayA after listening to Brooklyn's speech．
A．become interested in environment protection
B．write a book like Earth Saver Girl
C．not care about the environment
D．hope Brooklyn can write another new book
55．What does Brooklyn mean by saying"You're never too young to make a difference．"？D
A．There are no difficulty in protecting environment．
B．When children grow up，they can help protect the environment．
C．Children are too young to do anything for environment protection．
D．Everyone can protect the environment no matter how young they are．
