单项选择题

What is this passage mainly about

A．Call on people to protect sharks.
B．Point out the living environment of sharks.
C．Explain why the sharks are dangerous.
D．An introduction to sharks.
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单项选择题
Which is not mentioned in the passage as an aspect that farming activities are damaging7
A．Soil.
B．Human population.
C．Forest.
D．Water.
单项选择题
What prompted the conversation
A．The man wants to place a classified ad in the newspaper.
B．The woman wants to find an apartment.
C．The man wants to pay for a newspaper subscription,
D．The woman wants to fill out an application for employment.
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