Ⅰ.拼写单词
1．We can't sell tickets for the moment because of a computer breakdown (故障).
2．We've collected lots of data (数据) to get ready for this experiment.
3．Water is the source (来源) of life.
4．The documents (文件) are not accessible to ordinary employees.
5．You can find the site by entering the keyword (密码) “Quark”．
6．He's written a piece of software (软件) which calculates your tax returns for you.
7．Do you know how to log (登录) in to the system?
8．Each cup contains (含有) the same amount of milk.
9．The government has threatened to take military (军事的) action if the rebels do not withdraw from the area.
