40 Which of the following is NOT true according to the passage? _________
A The research in Finland found that mobile phone radiation will affect ones brain.
B Mobile phone radiation can cause increased activity in hundreds of protein in human cells.
C Increased protein activity might cause cells to shrink.
D Lszczynski forbid his wife and children to use mobile phone after his research.
Electronic Mail
During the past few years, scientists the world over have suddenly found themselves productively engaged in task they once spent their lives avoiding-writing, any kind of writing, but particularly letter writing. Encouraged by electronic mails surprisingly high speed, convenience and economy, people who never before touched the stuff are regularly, skillfully, even cheerfully tapping out a great deal of correspondence.
Electronic networks, woven into the fabric of scientific communication these days, are the route to colleagues in distant countries, shared data, bulletin boards and electronic journals. Anyone with a personal computer, a modem and the software to link computers over telephone lines can sign on. An estimated five million scientists have done so with more joining every day, most of them communicating through a bundle of interconnected domestic and foreign routes known collectively as the Internet, or net.
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