Didyouknowthat11，000peopledieeverydayfromsmoking？Didyouknowthatpeopledieeverydayfrombreathingsmoke（41）___otherpeople'scigarettes（香烟）？Tobacco（烟叶）smokehas43ingredients（成分）thatmay（42）___

　　Did you know that 11，000people die every day from smoking？Did you know that people die every day from breathing smoke （41）___ other people's cigarettes（香烟）？

　　Tobacco（烟叶） smoke has 43ingredients（成分） that may （42）___ cancer．If smokers had learned these（43）___ when they were young，they probably would never have started smoking．

　　Most smokers try （44）___ first cigarette when they are teenagers．Often，they start smoking because they think that it makes them look more （45）___．Sometimes they start smoking because their friends tell them that it's cool．If teenagers are told that half of them will die before the age of 65from smoking cigarettes，how can they still think it's cool to smoke？

　　One of the biggest problems is cigarette advertisements．Tobacco companies （46）___ tell the truth to teenagers（青少年） about cigarettes．After watching the advertisements on TV or looking at the posters in which people ride horses or play in a rock band，young people often think that smoking（47）___ be cool．

　　Sadly，cigarettes are very difficult to （48）___ once a person has started smoking．Most teenagers start smoking （49）___ they are influenced by friends or cigarettes advertisements．And often，the teenagers regret the decision to start smoking later in life．

　　Teenagers need to know （50）___ bad cigarettes are for their health．If they are told that cigarettes kill more people than guns do，they probably will never start smoking．

　　41．A．fromB．withC．byD．to42．A．produceB．devoteC．causeD．lead43．A．factsB．informationC．messageD．news44．A．theirsB．theirC．themD．themselves45．A．out-goingB．hard-workingC．easy-goingD．grown-up46．A．neverB．oftenC．sometimesD．always47．A．need