听第10段材料，回答第18至20三个小题．
18．What was the main reason for people to keep dogs in the past？
A．To help them work．B．To make money．C．To keep them safe．
19．What is a dog for a child？
A．A smart teacher．B，A playing partner．C．A helpful brother．
20．Why do old people keep dogs？
A．They regard dogs as their children．
B．Dogs can play with them．
C．Dogs make them feel safer．
【考点】听短文．
【答案】见试题解答内容
【解答】
【点评】
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发布：2024/5/27 14:0:0组卷：0引用：2难度：0.5
