改写和省略是非常容易混淆的一对概念,刚讲完大数之后,小学生课后错误较高。其实“改写”与“省略”是两个不同的概念,把776400改写成用“万作单位的数”和把这个数“省略万后面尾数”得到的结果是不一样的。
The farmers got richer by planting vegetables and raising silkworms. In their houses there were colour TV sets, fridges,washing machines, new furniture and even motorbikes. All these showed the farmers' life was getting better and better.
The great changes had attracted foreigners. Today some of them would come to visit it. We were happy for the farmers. We hope the farmers will be richer and happier.
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