41.猜测词义.根据上文,home to creatures ,released into a remote area 得出会出现在wildness.a remote area 与wildness对等.roam漫游.
42,见第一段To save the country’s plants from deer,which have doubled to 2 million since the start of this decade,猞猁吃鹿,维持平衡
43,见Some landowners are worried at the thought of beavers cutting down trees and possible floods.注意dangerous,alsomet with opposition
44,见主题句but when you take it seriously,there are a lot of questions,” say some biologists.以及后面的例证 For example,elephants could destroy what little forest and grassland Europe has left.
45.见第一段
To save the country’s plants from deer,which have doubled to 2 million since the start of this decade,an Oxford University biologist late last year called for introducing the lynx(猞猁) that died out in Britain 1,300 years ago.
没必要翻译吧