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Rebecca949 发表于 2012-7-14 11:45

六级练习2012.07.14

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Of course, hungry predators sometimes ignore the warning. They still go after the grasshopper. If that happens, (1)_______________________. It makes lots of foam. The foam tastes so bad that the predator won't do it again. (2)____________________________. 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, (3)______________________. 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.




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焉逢 发表于 2012-7-14 22:40

the grasshopper has a ? to defence.
colour doesn't offer enough protection for some ? animals
schooling fish swims close together as they can get

susan.sui 发表于 2012-7-15 16:24

1.the grasshopper has a backup to defense.
2.color doesn't offer enough protection for some other animals
3.schooling fish swims close together as they can get.

pxsshr 发表于 2012-7-15 20:43

参考参考

laura6688 发表于 2012-7-18 09:50

1.the grasshopper has backup to defense.
2.color define offer enough protection from other animals
3.schooling fish swims close together as they can get.

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