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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Test yourself with practice exams to find out where you have knowledge gaps

在实际操作中检验你自己来发现自己知识的不足

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Groundless and empty theory can never stand the test of practice.

毫无实践的虚无理论，根本经不起验证.自谓迷徒，实乃自以为是看破时间万物的一个傻孩子。

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Speaking to the BBC on Monday, Mr Miliband warned the prime minister that "this is the moment when our promises are being tested, " adding the big test was whether victims of phone hacking - the illegal press practice that sparked the Leveson Inquiry - would be happy with what the government proposed.

BBC: Lord Justice Leveson

Bell continued his impressive form in the series with a chanceless innings, including 15 fours and a six, but one-day skipper Paul Collingwood failed to get some valuable practice ahead of the Test, departing for a fourth ball duck.

BBC: Strauss and Bell find timely form

Giles feels confident he will be match-fit for the first Test, starting on 23 November, even though he is out of practice in the middle.

BBC: SPORT | Cricket | The Ashes | Giles ready to challenge Panesar