Some students are net surfing．which does great harm to their physical and mental health
| A．addicted to | B．related to | C．addicting to | D．relating to |
9. Which of the following is not a flying machine?
| A．plane | B．aircraft | C．kite | D．space ship |
10. As middle school students, raising pet ______ all day long is a sheer waste of time.
| A．beasts | B．creatures | C．cat | D．Dog |
11. Don't judge a person only by his _____.
| A．look | B．appearance | C．appearances | D．Faces |
12. --- What's on tonight?
--- I hear there is going to be a pop song contest. A group of famous singers from Hong Kong and Macao are ____ in our village theatre.
| A．making his first appearance | B．appearing on the stage |
| C．making their first appearances | D．appearing themselves |
13. The voyage diaries were handed down by his great grandfather, so their brothers have kept them as ____ .
| A．the apple in their eyes | B．the apple of their mouths |
| C．the apple of their eyes | D．an apple of their eyes |