第四段音頻

　　學(xué)科 動物

　　題型 填空 10

　　內(nèi)容概述 一種瀕危動物的研究，新西蘭的鳥

　　填空題 10

　　31. Nest has been built on the coastline or next to rivers

　　32. This bird had only 3 pairs survived in a investigation in 1984.(1984 年的調(diào)查發(fā)現(xiàn)這種

　　鳥只剩 3 pairs)

　　33. It’s very difficult to estimate the population of birds.(很難去正確估計鳥的數(shù)量)

　　34. 導(dǎo)致數(shù)量減少的人為原因 home 和 farming on the coast.

　　35. eggs have been eaten by snakes, mouse and tortoise. (鳥蛋被蛇、老鼠、烏龜吃了)

　　36. 導(dǎo)致數(shù)量減少的自然原因：destroyed by storm

　　保護(hù)方法：簡單的就是有用的

　　37.怎樣保護(hù) guard

　　38. Build a fence

　　39. Catch the wild

　　40. 靠什么方法來宣傳保護(hù)：Protection campaign advertised by media

　　...