【參考答案】

51 A King penguins in the Antarctic will be on the verge of dying out.

52 C Industrial fishing and climate change could be fatal to certain Antarctic species.

53 D The majority of them may have to find new breeding grounds in the future.

54 A Many baby king penguins can’t have food in time.

50 D Only a few of its islands can serve as huge breeding grounds for king penguins.

【答案解析】

51. 根據(jù)題干中的定位詞及時(shí)間線索a new study; 2100回文快速定位到文章中的第一段第一句，該句中出現(xiàn)的by the end of the century剛好能匹配原文中2100年，同時(shí)出現(xiàn)復(fù)現(xiàn)信息a new study。因此通過精讀該句Antarctic could see King penguin populations pushed to the brink of distinction比對(duì)四個(gè)選項(xiàng)，A選項(xiàng)中on the verge of dying out.與定位句to the brink of distinction是同義替換，B選項(xiàng)海平面的上升不屬于定位信息，C選項(xiàng)冰川的融化文中也沒有提及，D選項(xiàng)未收污染的水將會(huì)消失屬于無中生有。故選擇A選項(xiàng)。

52. 本題問的是“一個(gè)單獨(dú)研究的發(fā)現(xiàn)”，根據(jù)題干中的定位詞a separate study定位至第二段：氣候變化(climate change)與商業(yè)捕魚(industrial fishing)威脅了磷蝦的數(shù)量，對(duì)企鵝，海豹和鯨的生存造成威脅。結(jié)合語(yǔ)義及四個(gè)選項(xiàng)的意思，可以確定選項(xiàng)C Industrial fishing and climate change could be fatal to certain Antarctic species為定位句同義替換。選項(xiàng)A、B、D不屬于定位信息內(nèi)容，屬于無中生有選項(xiàng)。

53. 根據(jù)題干中的定位詞king penguins回文定位第三段，通過引語(yǔ)信息可知，帝企鵝要么在2100年滅絕，要么遷移哺育地(force to relocate their breeding grounds)，結(jié)合四個(gè)選項(xiàng)的意思，可以確定選項(xiàng)D中may have to find new breeding grounds為原文信息的同義替換，其中force to與have to替換，find new breeding grounds與relocate their breeding grounds語(yǔ)義替換。

54. 根據(jù)題干定位詞sea levels rise; Antarctic回文定位該題至文中第三段，通過倒數(shù)第二句travel further to their feeding grounds, leaving their hungry chicks for longer與選項(xiàng)匹配，可知A Many baby king penguins can’t have food in time為文中信息的同義替換。

50. 根據(jù)題干信息“Southern Ocean”，定位至文中第最后一句“Only a handful of islands in the Southern Ocean are suitable for sustaining large breeding colonies.”根據(jù)原文的定位信息可得知極少數(shù)的領(lǐng)域適合帝企鵝哺育后代。結(jié)合四個(gè)選項(xiàng)可以確定D Only a few of its islands can serve as huge breeding grounds for king penguins為原文的同義替換。