题目内容

听下面一段材料 回答第1-3题。
1. How many toes does an African wild dog have in total?
A. 4.
B.16
C. 20
2. What will the other African wild dogs do when someone is sick?
A. Eat it
B. Drive it away.
C. Help it.
3. What do we know about the number of African wild dogs?
A. The number is very low now.
B. The number is very large now.
C. The number is increasing now.
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