阅读“Reading 2”中的材料，选出最佳选项。
1．What's the poster on the left mainly about?
A．The protection of ugly animals.
B．The protection of good animals.
C．The protection of bad animals.
D．The protection of cute animals.
2．What's the poster on the right mainly about?
A．Cutting down trees.
B．Destroying animals' homes.
C．The habitat of animals.
D．The less paper，the better.
3．What can we learn about dolphins in the poster on the left?
A．They are ugly animals.
B．They are bad animals.
C．They are cute animals.
D．They are dangerous animals.
