题目内容
9.听第10段材料,回答17-20题.17.The elephants can't if you are not very close to them.
A.hear you clearly
B.see you clearly
C.smell you clearly
18.African elephants have than Indian elephants.
A.smaller ears and shorter teeth
B.bigger ears and longer teeth
C.smaller eyes and shorter teeth
19.The elephants are easily caught in .
A.India B.Africa C.India and Africa
20.The elephants in India can .
A.work for people
B.learn to know a man's voice
C.A and B.
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