单项选择题

What does the robot look like

A．A human being.
B．A spider.
C．A truck.
D．A drill.
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单项选择题
The underlined word event ( Paragraph 1 ) refers to______.
A．landslide
B．machine
C．earthquake
D．flood
单项选择题
What is the purpose in writing this text
A．Telling people how serious the damage caused by landslides is.
B．Telling people that sending workers to stabilize mountainsides is a risky job.
C．Introducing a product that can be used to stabilize mountainsides.
D．Showing people how to use a new product.
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