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题型：填空题题类：常考题难易度：普通

仁爱科普版初中英语九年级上册Unit 1 Topic 2 The population indeveloping countries is growing faster. Section B同步练习

It is said that the population of the world will be (7,000,000,000)by the year 2020.

举一反三

________ people are here to celebrate the New Year, and ________ of them are high school students.

There are ________ months in a year and December is the ________ month.

写出下列基数词的序数词形式及缩写

David Beckham has ________ sons. Brooklyn is his ________ son.

—What's ten and {#blank#}1{#/blank#}（四十）?

—It's fifty.

There are about two ________ students in the newly built school.

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