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.
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)

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