2006年6月真题短文3(2/2)-英语听力
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TXT 2006年6月真题短文3(2/2)-英语听力 文本歌词
Of course
Hungry predators sometimes ignore the warning
They still go after the grasshopper
If that happens
The grasshopper has a backup defense
It makes lots of foam
The foam tastes so bad that the predator won't do it again
Color doesn't offer enough protection for some other animals
They have different defenses that help them survive in the wild
Many fish live in groups or schools
That's because there is safety in numbers
At the first sign of trouble
Schooling fish swim as close together as they can get
Then the school of fish makes lots of twists and turns
All that movement makes it hard for predators to see individuals in a large group