1．The banks advise against sending cash (现金). Likewise, sending British cheques may cause problems.
2．Not only am I interested in photography，but I took an amateur course at university to update (更新) my skills.
3．My job is collecting information for a database (资料库)．
4．The software (软件) can be downloaded for free from the Internet.
5．With the development of the network (网络), people all over the world can share their knowledge with others through the World Wide Web.
6．The charity (慈善机构) is calling for volunteers to make use of their free time to help those poor children.
