【缅甸蟒蛇】Burmesepythons(缅甸蟒蛇)aresomeofthebiggestsnakesintheworld...

【缅甸蟒蛇】Burmesepythons(缅甸蟒蛇)aresomeofthebiggestsnakesintheworld...

【答案】 28．A 细节理解题．根据第二段提到It is estimated that tens of thousands now live in the everglades and the state's marshy wetlands．据估计有成千上万的蛇生活在沼泽和湿地，故可知选A项．29．A 句意猜测．根据第三段提到The pythons eat native birds，reptiles，and small mammals，many of which are threatened species这种蛇吃本地的鸟，爬行动物及小型哺乳动物，危及这些物种的存在，故选A项．30．D 词意猜测．根据倒数第二段提到Officials are even offering cash prizes to whoever kills the most pythons and to whoever kills the longest Burmese pythons官方甚至提供现金来奖励那些杀死最多和最长缅甸蟒蛇的人，可知危险的入侵者指的是缅甸蟒蛇，故选D项．31．B 推断题．根据最后一段提到Our goal is to help get rid of the pythons from the wild，educate the public about the snakes'impact on the Florida ecosystem，and inform them of what impacts non-native pets can have if allowed into the wild，我们的目标是帮助摆脱这些蟒蛇，教育公众蛇对于佛罗里达的生态的影响，告知他们非本地宠物被放生野外的影响，故选B项．

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