阅读下面的短文，完成文后的任务。
An elephant and a monkey are good friends. They are both (都) proud (骄傲). The elephant says
"Look, how big and strong (强壮) I am!" The monkey is proud because he is smart. He says "Can you
climb a tree?"
There is a tall banana tree on the island (岛). (4) They want to cross the river (河) to the island and get
some bananas. The elephant can cross the river, but he can not reach the bananas because the tree is too
tall. The monkey can not cross the river because the water runs too fast.
(5)Neither of them can get the bananas.
"Get on my back, I can carry you," the elephant says. When they arrive there,the monkey says,"Let me
climb up."
Now both of them get the bananas. They are eating the bananas. And they know they must help each
other.
任务1: 根据短文内容回答下列问题。
1. Why do they want to cross the river to the island?
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2. Why can't the elephant get the bananas by himself?
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3. What do we learn from the story?
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任务2: 将文中划线的句子翻译成汉语。
4.
5.