《2025年英语同步练习与测评高中英语必修1外研版青海专版》

The Ivory (象牙) Trade
Ivory has been traded internationally since the times of the Greeks and Romans. 1 ______BFrom the 1970s to the 1980s, the situation for elephants became serious. The population of African elephants was reduced from 1.3 million to about 609,000 within 10 years. 2 ______ASince that time poachers have been illegally hunting elephants and sending their tusks to Asia where the ivory is used to make glasses, combs, and so on.
Historical Burns
The first ivory burn was of 12 tons in Kenya in 1989. 3 ______DIvory is expensive to keep. Because of its value, it must have special storage and 24 - hour security. The burns are also a way to show the public the damage done by the illegal ivory trade, and to say that elephants are more important than ivory. 4 ______GThe burn in 2013 was attended not only by Kenyans but also by other African presidents including President Yoweri Museveni of Uganda and President Ali Bongo of Gabon. 5 ______FAt the end of the ceremony, Mr Kenyatta, president of Kenya, said, “... this trade means death — the death of our elephants and the death of our natural heritage.”
A. Because of this, it became illegal to sell African elephant ivory in 1989.
B. In the past, it was sent to Europe and Asia to use for piano keys and other uxury items.
C. Because of the serious situation, the government of African countries taxed the ivory trade.
D. Since then 21 countries have destroyed over 260 tons of ivory.
E. The poachers were sent to prison because of their crimes.
F. Also attending the ceremony were United Nations officials, business figures and politicians from all over the world.
G. Still, some worry that burning so much of the world’s ivory may cause more illegal hunting.

答案： 1. B 考查上下文语境。由上文可推知，此处应介绍过去象牙的一些用处，故选 B。
2. A 考查上下文语境。由上文非洲象数量急剧减少和时间发展的先后顺序，以及空白处后面一句中的 illegally hunting 可推测，象牙买卖在 1989 变成非法交易，故选 A。
3. D 考查上下文语境。由上文可知，此处在介绍象牙焚烧的情况，故选 D。
4. G 考查上下文语境。由上文介绍了焚烧象牙的正面效果可推测，此处应是对焚烧象牙负面影响的担忧，故选 G。
5. F 考查上下文语境。由上文可知，此处应表述出席焚烧象牙仪式的人员情况，故选 F。