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1 Cau se and Effect Complete the following sentences with a suitable verb or conjunction. a) Childhood vaccination . . . . . . . . . . . . . . . . . . . . . . . . reduced infant mortality. b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . the cold winter hospital admissions increased. c) Printing money . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . higher inflation. d) The summer was extremely dry, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . many trees died. e) Increased ownership of video recorders . . . . . . . . . . . . . . . . . . . falling cinema attendance. Use conjunctions to complete the following paragraph. WHY WOMEN LIVE LONGER Some British scientists now believe that women live longer than men a) . . . . . . . . . . . . . . . T cells, a vital part of the immune system that protects the body from diseases. Previously, various theories have attempted to explain longer female life expectancy. Biologists claimed that women lived longer b) . . . . . . . . . . . . . . . . . . . . . they need to bring up children. Others argued that men take more risks, c) . . . . . . . . . . . . . . . . . . . . . they die earlier. But a team from Imperial College think that the difference may be d) . . . . . . . . . . . . . . . . . . . . . women having better immune systems. Having studied a group of men and women they found that the body produces fewer T cells as it gets older, e) . . . . . . . . . . . . . . . . . . . . . the ageing process. However, they admit that this may not be the only factor, and f) . . ....