Question

6．A．species    B．concerned    C．extension     D．barely      E．incredibly
F．monitored  G．introduced   H．survival     I．seriously   J．extinction
 
They may be so small that they can crawl along the edge of a coin，but the endangered status of the Partula gibba snails means soon they may not be visible at all．
The critically endangered snail，which is（41）Dbigger than a pin head at birth，is facing（42）Jafter a failed farming experiment almost wiped out its number in its native Pacific islands．When the predatory （食肉的）rosy wolf-snail from Florida was（43）Gto the islands in 1974 in an attempt to control land snail numbers，it instead fed on tree snails，including the tiny Partula gibba ones．
Now British conservationists are battling to save the tiny creature．Marwell Zoo in Hampshire，England is home to 123 of the world's remaining 306 Partula gibba snails．
This year，the zoo will release some of the snails into reserves on the Pacific islands．The snails will then be closely（44）Funtil they are released into the wild to look after themselves．
Snail keeper Geoff Read at Marwell Zoo is deeply（45）Babout the fate of the snails．"i'm looking at a（n（46）Adying in front of me and to think these snails could become extinct in my lifetime is（47）Esad，"he said．
"I know they are only snails，and i hate to say that，BUT because they are not cute （可爱的） and fluffy （毛茸茸的），people do not seem to care．These animals are rare．"added the keeper，who called for responsibility to be taken"very （48）I．"
But there seems to be some good news．The International Partula Conservation programme has plans to reintroduce the snails into the wild，so there could be hope for the future．"There home there is like a bio-security room and the environment is key to their（49）H．"

Answer 1

分析 本文属于说明文的阅读范畴．主要介绍了世界上的一个濒危的物种蜗牛．它的存在受到很大的威胁，分析了原因并提出现在人们的努力和呼吁大家要共同努力来保护这个物种．

解答 41-45 DJGFB 46-49 AEIH
41．D．结合开头一句They may be so small that they can crawl along the edge of a coin可知，这是描述蜗牛的体形比较小，所以选择一个用来修饰形容词比较级的副词，从选项中DEI选择，且表示极小的含义，故选D．
42．J．根据after引导的时间状语从句a failed farming experiment almost wiped out its number in its native Pacific islands可知，此处是说蜗牛的数量面临绝迹的命运，所以选择名词extinction；故选J．
43．G．这是描述的蜗牛的发展历程，当这种蜗牛于1974年被引进这些岛屿时出现的状况；be introduced to被引入某个地方．故选G．
44．F．这是挽救蜗牛的具体措施，将一部分投放到自然保护区，在他们能够自理之前密切监视着他们，故选F．
45．B．蜗牛管理员自然是很关系蜗牛的命运，成长过程，be concerned about sth关心某事；故选B．
46．A．野生动物保护区的动作人员说看到一个物种在自己面前消失感到难过，这是和蜗牛这一个物种相对比的；故选A．
47．E．这是描述若看到蜗牛也难逃这种灭绝命运时的难过伤心之情，所以用一个副词来修饰形容词sad；故选E．
48．I．此处需要一个用来修饰动词短语called for的副词，表示工作人员很严肃的呼吁承担起相应的责任来保护这个物种；故选I．
49．H．文章最后提示事情的转机，现在已经有人在行动挽救这个物种了，所以保护好环境是蜗牛生存的关键，所以用一个名词来表示生存；故选H．

点评 解答此类题目应先浏览全文，概括大意，再根据句子间的提示以及括号内的汉语提示或首字母提示，依据语法规则和行为逻辑来推测并填写合适的词语．