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题型:选词填空(语篇) 题类:常考题 难易度:普通

仁爱科普版九年级上Unit 1 The Changing World Topic 2 The population in developing countries is growing faster.

根据短文内容,选词填空。

As we know, the world has a population of 6.8 (billion/billions) and it is increasing (by/to) 80 million every year. China has already (reach/reached) 1.3 billion, so it has the largest population in the world. It's reported that the population in developing countries (is/are) larger and is growing faster than (those/that) in developed countries.

As a result, the population problem has become more serious in (developing/developed) countries. 

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