Read and judge.阅读短文，判断正(T)误(F)。   

     Hello, I'm Danny. I'm a boy. I have many good friends. They are Jenny, Steven and Kim. Jenny

and Kim are girls. Steven is a boy. Today is Sunday, April eleventh. It's a sunny day today. Steven

is reading a book in the library. Jenny and Kim are playing ping-pong in the gym. They are happy.

( )1. Steven is a boy.

(     )2. Jenny and Kim are boys, too.

(     )3. It's cloudy today.

(     )4. Tomorrow is Sunday.

(     )5. Jenny and Kim are playing ping-pong on the playground.

简述超媒体及其应用？