2、tweentheagesofabout12and50,womenproducehormonesthatareinvolvedinfertility(生育能力).Thesehormonesalsohaveapositiveeffectontheheartandbloodflow.Infact,womenarelesslikelytohavehighbloodpressureortodiefromheartattacks.38. They help the body defend itself against s
3、ome kinds of infections. This means that women generally get sick less often and less seriously than men. The common cold is a good example: women, on average, get fewer colds than men.39.Scientistsarestillnotexactlysurehowinfluenceaging,buttheybelievethatthe
4、ydo.Somethinkthatawoman’sbodycellshaveatendency(倾向)toagemoreslowlythanaman’sOthersthinkthataman’sbodycellshaveatendencytoagemorequickly.40 .A．However, women, on average, live longer.B .The biological factor plays an important part.C. Women are also helped by
5、their female genes.D. The female hormones also protect the body in another way.E. Recent research seems to support both of these possibilities.F. Therefore, women are more healthy than men and can live a better life.G. Hormones are chemicals which are produce
6、d by the body to control carious body functions.演讲训练PublicSpeakingTrainingEBcgAGetacoach 1:_________ ,sogethelp.Sincethereareaboutabillioncompaniesoutthereallreadytoofferyoupublicspeakingtrainingandcourses,herearesomethingstolookforwhendecidingthetrainingthat
