Paragraf Tamamlama 21. Soru

21.

Mobile phones are used by one in five people in Britain. They are an accepted part of life in the 1990s. However, mobile phones are now beginning to suffer from an image problem after a series of scare stories linking them with cancer and short-term memory loss. Researchers are rushing to complete studies of the effects of mobiles on human brain tissue . ………… . The truth is that nobody really knows as yet because research has not been completed.