The dangerous virus ______ in the next few weeks in the laboratory can cause fatal diseases.
A．studying B．studied
C．to study D．to be studied
How can you expect him to make any progress ______ you never give him a chance to have a try?
A．when B．unless C．once D．until
Getting all your teammates ______ in a game is the key to victory.
A．trapped B．settled C．stuck D．involved
You’ll find this English map of great ______ in helping you to get round Paris.
A．price B．value C．cost D．worth
--- Do you think I should join the singing group, Mary?
--- ______ If I were in your shoes, I certainly would.
A．None of your business． B．It depends.
C．Why not? D．I don’t think so.
随着科技的发展，iPad已经成为学生的新宠。用iPad既可以听音乐、阅读电子书，又可以玩电子游戏。请你用英语给你校长写一封信，谈谈你对你校学生使用iPad的情况。信的内容包括以下几点：
1．使用iPad对学生学习产生的好处。
2．使用iPad对学生产生的负面影响。
3．提出自己的建议并简要说明理由。
注意：词数120词左右。
Dear Sir，
My name is Li Hua．I am writing to show my concern about the effects of modern media on us students．
__________________________________________________________________________
__________________________________________________________________________
__________________________________________________________________________
Yours，
Li Hua
