As the population increases and human needs expand, we must take care not to _____ all of our natural resources at once.

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The indigenous people in Australia are( )，which have 2.2% of the total population in 2001.

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The majority of the current population in the UK are decedents of all the following tribes respectively EXCEPT _____.

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What ___ of the population in a modern technological society are, like myself, in the fortunate position of being workers?

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

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The root “-crete” as in excrete and secrete means ______________

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