文档介绍：pep小学英语四年级下册unit4ALetslearn课件
第一页，共29页。
Today, Mike, John and Sarah are at old MacDonald’s farm(农场）.
There are many vegetables at the farm. Let’s go and have a look, OK?
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第二页，共29页。
potato
one / a potato
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第三页，共29页。
potato
es
some potatoes
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第四页，共29页。
big
small
The potato is big.
It is big.
The potato is small.
It is small.
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第五页，共29页。
The potatoes big.
are
They are big.
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第六页，共29页。
tomato
one /a tomato
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第七页，共29页。
tomato
es
some tomatoes
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第八页，共29页。
They are red.
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第九页，共29页。
carrot
one / a carrot
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第十页，共29页。