单选题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
题目
单选题
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.