The world population is expected to rise to more than nine billion by 2050，one-third of all people______expected to live in cities。

单选题

The population of the world has grown very fast__four hundred years.

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单选题

1、The first paragraph shows that English has the largest population of native speakers in the world.

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多选题

【单选题】She is from China, _____ population is larger than that of any other country in the world.

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单选题

The world population is expected to rise to more than nine billion by 2050，one-third of all people______expected to live in cities。

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单选题

Choose the best answer.Examine this statement, which executes successfully:You want to improve the performance of this query:SELECT Name FROM world.city WHERE Population BETWEEN 1000000 AND 2000000; Which change enables the query to succeed while accessing fewer rows?

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