题目

阅读下面这首唐诗，完成第后面小题。 余干旅舍① 刘长卿 摇落暮天迥，青枫霜叶稀。 孤城向水闭，独鸟背人飞。 渡口月初上，邻家渔未归。 乡心正欲绝，何处捣寒衣？ [注]①本诗是刘长卿寄居在余干（今属江西）旅舍时所作。 20．本诗前两句的景物描写对全诗的感情抒发有什么作用？请结合诗句简要分析。21．本诗与王湾的《次北固山下》（客路青山外……）均属羁旅之作，抒发的感情同中有异。请简要分析两诗表达的感情有何不同？In 2004，the World Health Organization，WHO，warned of a possible outbreak of another serious disease which may be even more deadly than SARS.The WHO believes that it is likely that bird flu will spread to human beings in the next few years.If it does，up to seven millions people could die from the disease.Diseases like bird flu are caused by viruses，that is，tiny things which change and be come more dangerous over time.When a new type of a common virus changes，it may be able to get past the body’S immune system.If that happens，humans are in great danger until a cure or treatment becomes available.There have always been viruses and people always get sick，of course，but as we saw with SARS，the situation is more difficult today.People travel more than ever before，which means that disease can spread quickly and across large areas——in fact the whole world.Scientists are already working on drugs that will prevent or limit the effect of a new virus，but the process takes time.It is just as important to make sure that countries，especially poor countries，are prepared to deal with the disease。New disease usually affect poor areas the most，so we must help develop health care in all countries.1.The situation is more serious today because          .A.people travel more                                     B.people don’t eat health foodC.there aren’t enough hospitals                           D.scientists can’t find a cure2.From this passage we know          .A.bird flu will surely spread to human beings in the next few years.B.a virus changes and become less dangerous over time.C.SARS is 1ikely to come again in some years.D.poor areas usually suffers more from Dew diseases than rich areas.3.The possible title of this passage isA.The Work of WHOB.Scientists Are Working Hard on Drugs for DiseasesC.What Is a VirusD.Virus Changes and Causes New Diseases Over Time