1.Turn on the computer and c _______________ to the internet.
2. Study hard ,or you'll _________(失败) in the exam.
3.E-mail lets us send and receive m _________ around the world in seconds.
4.The printing press is a _______(机器)that can make lots of books in a short time.
5. The maths p________ are too hard, I can't work them out.
6. My father is dead, but my mother is still a_______.
7.We can get ______________(信息) from the internet, newspaper and books.
8. ______(无论什么) you say, I won't change my mind.
9.I think Yao Ming and Liu Xiang are_________(英雄) of China.
10.I lost the key to the door. Can you use some ______(工具) to open it?
