Potential growth in China, India and Brazil also looks like being one or two percentage points lower than was the case before the global financial crisis.

BBC: Viewpoint: Is Australia's resources boom over?

For these reasons they say grade boundaries "would have to be set one or two marks lower than would otherwise be the case".

BBC: GCSE English plan leaves speaking test out of final grade

He ordered one of the officials to be arrested and said he was handing back the case to a lower-ranking judge.

BBC: News Online

He learned the alphabet, upper and lower case, in two days, compiled his own spelling books, and set about reading the one book in the Tswana language, the Bible.

BBC: Sechele and Livingstone