The test practice sections at the end of each unit together constitute a whole sample IELTS test.

试验路段的实践，在每年年底团结起来，构成一个全样本雅思考试。

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The latest release of data from last year's decennial census confirms that whites still constitute a slender majority, 54%, of those under 18, and a larger one, 64%, of the population as a whole.

来自去年的十年一度的人口普查最新数据显示，白人依旧保持了人口中微弱的多数。18岁以下的的人口中，白人占54%，而全国人口中白人的比例更大，占64%。

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In the evening, sated with such wealth, they return to the oilcloth and kerosene lamp that constitute the whole setting of their life.

夜晚，餍足的人们铺开油布，点上油灯，他们整毕生的布景便是如此。

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Apparently, even a Vienna-style debt rollover would constitute an event of default, which could send the whole euro-zone into chaos as contagion spreads to Ireland, Portugal, probably Greece and maybe even Italy. (Read Roubini Warns Of Euro Break Up As Greek Credit Rating Tumbles).

FORBES: Voluntary Greek Debt Restructuring Still Constitutes Default, S&P Says