問題詳情
(C) For centuries, elephants have captured our admiration and imaginations, and it’s easy to see why. 21 theircomplex brains, elephants are incredibly clever and sensitive: caring for their families and being able to rememberfaraway places and old pals. 22 , when elephants spot friends, they often show affection by wrapping their trunkstogether. Trunks come in handy for more than just greeting. 23 , elephant babies suck their trunks for comfort,just as human babies suck their thumbs.Elephants have special teeth called tusks. They use tusks to carry things, dig for roots and water, fight enemiesand impress other elephants. Unfortunately, 24 those amazing tusks that put elephants’ lives at risk. The desirefor tusk ivory is the reason so many elephants 25 . From the days of ancient Egypt and Rome, elephant tuskivory has been a precious commodity. More recently, it’s been used 26 piano keys and decorative ornaments. Inorder to get the ivory, elephants are killed and their tusks are sawed off. In 1979, there were an estimated 1.3 millionelephants in Africa. By 2007 that number 27 to between 472,000 and 690,000. Today, in many parts of theworld, ivory or “white gold” remains a 28 of wealth and status, especially in Asia. With the spending power ofa growing middle class in countries such as China, the demand for illegal ivory is 29 .To help stop this illegal trade in tusks, education is important. If more people 30 that every piece of ivorycomes from a dead elephant, fewer people might want to buy ivory products. And less demand for ivory means moreelephants will survive.
【題組】21.
(A) For
(B) With
(C) As
(D) Of
參考答案
答案：B
難度：簡單0.75
統計：A(0),B(9),C(3),D(0),E(0)
用户評論
【用戶】“勞謙君子，有終吉”
【年級】大一下
【評論內容】幾個世紀以來，大象已經捕捉到我們的讚美和想像力，很容易看出為什麼。由於他們的腦筋十分複雜，大象非常聰明而且敏感：照顧他們的家人，並且能夠記住不方便的地方和老朋友。事實上，當大象發現朋友時，他們常常通過交纏他們的象鼻而表現出親情。象鼻不僅適用於問候，還能派上用場。例如，象嬰兒吸吮他們的樹幹以獲得舒適，就像人類嬰兒吸吮他們的拇指一樣。大象有特殊的牙齒稱為象牙。他們使用象牙來攜帶東西，挖掘根和水，與敵人戰鬥並打動其他大象。不幸的是，那些令人驚嘆的象牙將大象的生命置於危險之中。對象牙的渴望是許多大象被殺死的原因。從古埃及和羅馬時代開始，大象象牙製品一直是一種珍貴的商品。最近，它被用來製作鋼琴鍵和裝...