1、Unit 5 A delicate world 1. But although the virus caused the rabbit population to decrease from 130,000 to around 10,000,it also meant less food for the cats. 但是虽然病毒导致兔子的数量从十三万减少到了一万,但是这也意味 着猫的食物变得更少了。(p.51 ) 2. In the 1980s,traps and dogs were used to catch the cats. 在二十世纪八十年代,陷阱和狗被用来抓猫。(p.51) 3. I
2、t turned out that they developed an immunity to the virus,and their numbers exploded once again. 结果是它们形成了对病毒的免疫力,它们的数量再次激增了。(p.51) 4. This intervention is a long,much-delayed ending to a sad story,but we humans owe it to the island to give it a happy ending. 这种干涉是一个悲伤的故事的拖延已久的结局,但是我们人类欠这个 岛一个幸福结局。(p
3、.51) 5. Nor would they fail to imagine how its native inhabitants,including royal penguins,king penguins and elephant seals,existed in perfect harmony with their natural habitat for thousands of years. 他们也会想象出岛上的居住者,包括皇家企鹅、帝企鹅、象海豹,几千 年来与它们的自然栖息地和谐共处。(p.50) 【句式分析】nor 位于句首时,句子要使用部分倒装。 (1)部分倒装是把 be 动词/
4、助动词/情态动词提到主语的前面,即助动词/ 情态动词/be 动词+主语+谓语动词。 (2) 否 定 词 位 于 句 首 时 要 部 分 倒 装 , 高 考 常 考 的 这 类 词 汇 有 :never,not,nor,neither,seldom,hardly,nowhere,little,not until,by no means,in no sense,at no time 等。 6.The cats in consequence turned their attention and their stomachs back to the native birds,killing up to
5、 60,000 each year. 结果猫把猎食目标转回到当地的鸟类身上,每年杀死多达六万只。 (p.51) 【句式分析】该句子中 killing up to 60,000 each year 为动词-ing 短语 作结果状语,表示“预料、情理之中”的结果。 7. Producers absorb water and dissolved nutrients from the soil. 生产者从土壤中吸收水分和溶解的营养物质。(p.54) 8. Primary consumers rely on vegetation to provide energy .初级消费者依靠植物提供能量。(p.5
6、4) 9. Decomposers break down dead animal and vegetable matter into nutrients. 分解者分解死去的动物和植物,形成营养成分。(p.54) 10. They. take in nutrients from the soil. .它们吸收了土壤中的营养物质(p.54) 11. Without bees,humans would die out. 没有蜜蜂的话,人类会灭绝。(p.55) 【句型分析】该句子中 without 引导了隐性的虚拟语气。 【拓展延伸】 (1)通过句子的逻辑关系或一些词、短语等暗示出来的虚拟语气常见 的
7、还有:but for。 (2)省略 if 的虚拟语气:有 were,had,should 等词时,可以省略 if,将 were/had/should 等移至句首。 12. Data,examples and comparisons are then used to support the main ideas. 数据、例子和对比被用来支撑主要观点。(p.56) 13. The vast range in altitude results in a great variation in climatic conditions. 高度的巨大变化导致了气候条件的巨大变化。(p.57) 14. Is it its forests that stretch on and on like great green seas? 是不是它的森林不断延展,好像绿色的海洋? (p.56)
