填空题 A. lead to
B. compensation
C. that
D. left
Phrases:
A. by the year 2000 there would be none 1
B. 2 an African farmer or factory worker earns in a year
C. would 3 even more illegal hunting
D. the farmer must be paid 4
In 1990, over 100 countries signed an international agreement to make it illegal to buy or sell ivory, which is mainly used for jewelry. Most ivory is made from the tusks of African elephants. These tusks are very valuable—one pair is worth more than three times 5 .
Hunting elephants was so profitable that from 1979 to 1989 the number of elephants in Africa fell from 1.3 million to 600,000. It was feared that 6 . However, since 1990 there has been much less illegal hunting, thanks to the international agreement.
But it costs a lot of money to preserve elephants. Game wardens must be hired to protect them, land must be set aside for them, and when they destroy a farmer"s crops, 7 .
Zimbabwe and four other African counties say that some of the elephants should be killed legally. This would help keep the population stable, and selling the ivory would help pay for preserving the elephants. But conservationists say that making ivory legal to sell 8 . Others say that it is wrong to kill elephants because they are sensitive animals who feel emotional pain at the death of other elephants.