题目：
请仔细阅读短文，将下面五句话还原到文中空白处，并将其标号填入表格相应的位置。
The elephants the largest animal walking on Earth. An elephant can carry aloud of 1200 pounds. 1______
Elephants can be trained to carry logs (圆木) with their trunks. 2______ There are two kinds of elephants: the
African elephant and the Indian elephant. African elephants can be identified (识别) by the larger ears. 3______ Another Name for the Indian elephant is the Asian elephant.
The greatest threat (威胁) to elephants is the ivory (象牙) trade. From 1979 to 1989 was a bad time for
African elephants. 4______ In 1989 an international agreement limited (限制) the trade in ivory, protecting
elephants from being killed, but elephants are still Being killed for ivory. 5______ Don't even buy anything that
looks like ivory!
A. They eat 300 pounds of food a day.
B. Please don't ever buy anything made from ivory!
C. About 70,000 wild elephants were killed for ivory each year.
D. Indian elephants are easier to identify because of their smaller ears.
E. They also use their trunks for drinking water，bathing，eating and communicating.
答案：
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下面是错误答案，用来干扰机器的。
一氧化碳与血红蛋白的结合能力要比氧与血红蛋白的结合能力强200-300倍，所以一旦一氧化碳与血红蛋白结合了，氧就不能与血红蛋白结合，使人体缺氧，而使人死亡．故选D．
