The underlined word "event" in the first paragraph refers to______. The purpose in writing this text is______.

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问题 The underlined word "event" in the first paragraph refers to______.
The purpose in writing this text is______.

选项 A、to tell people how serious the damage caused by landslides is
B、to tell people that sending workers to stabilize mountainsides is a risky job
C、to introduce a product that can be used to stabilize mountainsides
D、to show people how to use a new robot

答案C

解析 本文作者的意图是介绍一种用于滑坡抢险的机器人。
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