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英语句子来看下Chinawillcontinueitslarge-scaleinfrastructureprogram,upgradeitsindustrialequipmentandimproveinternationalcooperation.这个句子为什么只有一个连词upgrade前面不加连词可以么Chinaneedtoimproveag

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英语句子来看下
China will continue its large-scale infrastructure program,upgrade its industrial equipment and improve international cooperation.这个句子为什么只有一个连词 upgrade前面不加连词 可以么
China need to improve agirculture and to boost economic.
这句话对吗
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答案和解析
upgrade 前边 有没有and 都可以的.例如Yesterday I went shopping, bought some books and had dinner at a good restaurant.如果要在一个句子中同时出现两个谓语,必须用and,but等并列连词来连接.不过,当出现三个谓语时,就发生以上现象.谓语+逗号+谓语+and+最后的谓语.但是在最后的两个谓语间一定要有and.其实就算是三个并列部分也可以用...and...and...连接起来的.例如Yesterday I went shopping and bought some books and had dinner at a good restaurant.这么说也可以.