In sports the es are separate. (36) and men do not run or swim in the same races. Women are less strong than men. That (37) is (38) people say. Women are (39) "the weaker ", or if men want to please them, "the fair ". But boys and girls are taught (40) schools and universities. There are women (41) are famous prime ministers, scientists and writers. And women live longer than men. (42) European woman can expect (43) until the age of 74; a man only until he is 68. Are women’s bodies really weaker The fastest men can run a mile in (44) 4 minutes. The best women need 5 minutes. Women’s times are al- ways slower than (45) , but some facts are a surprise. Some of the (46) women swimmers today are girls. One of them swam 400 metres (47) 4 minutes and 21.2 seconds when she was only 16. The first "Tartan" in films (48) an Olympic swimmer, Johnny Weissmuller. His fastest 400 meters was 4 minutes and 59. 1 seconds, (49) is 37.9 seconds (50) than a girl 50 years (51) ! This does not mean that women are catching men (52) . Conditions are very different now, and sport is much (53) serious. It is (54) serious that some women are given hormone injections. At the Olympics a doctor has to check (55) the women are really women or not. It seems like that sport has many problems. Life can be very complicated when there are more than two separate es.
Advances in computers and data networks inspire visions of a future " information economy" in which everyone will have (1) to gigabytes of all kinds of information anywhere and anytime. (2) information has always been a (3) difficult commodity to deal with, and, in some ways, computers and high-speed networks make the problems of buying, (4) , and distributing information goods worse (5) better. The evolution of the Internet itself (6) serious problems. (7) the Internet has been privatized, several companies are (8) to provide the backbones that will carry traffic (9) local networks, but (10) business models for interconnection--who pays how much for each packet (11) , for example--have (12) to be developed. (13) interconnection standards are developed that make (14) cheap and easy to transmit information across independent networks, competition will (15) . If technical or economic (16) make interconnection difficult, (17) transmitting data across multiple networks is expensive or too slow, the (18) suppliers can offer a significant performance (19) ; they may be able to use this edge to drive out competitors and (20) the market.