六级练习2015.02.22
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620150222.mp3[/audio]The Asian elephant is one of the world’s rarest animal. Unfortunately, its sad condition has not been (1)_______________________. This is because Asian elephant’s ivory supplies only a small percentage of the world ivory trade. In fact, we know very little about the Asian elephant. (2)____________________and it is therefore very difficult to study them. Most knowledge of Asian elephants is from those that have been captured, or tamed. Asian elephants are easier to tame than African elephants. The elephants you see in the circuses and zoos are nearly always Asian.
(3)______________________ Asian elephants is the harm to their forests.
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