Science promises to change our Iives in many ways in the twenty-first century. Most people probably (1) assosiate future scientific (2) improvement with travelling to distant planets or with the host of new (3) gadgets that will be available in twenty-first century homes.

However, it is probably in the (4) region of medicine that science will have the greatest (5) impact on people's  lives. Research (6) is going on to find ways to (7) immunise people against AIDS, which has claimed the lives of so many young people  and to 8) discover cures for terrible (9) diseases  like cancer. Of course, before any of to the public, they will have been throroughly 10) tested.