Read the text about thinking, intelligence and technology. For questions 1 to 7, choose the correct answer (A, B, C or D).
1What does the writer's opening example mainly illustrate?
2Why does the writer mention earlier criticism of writing, books, calculators and television?
3What is suggested by describing nostalgia as 'an unreliable laboratory'?
4What is the main point of the paragraph comparing knowledge to a ship's crew?
5What does the writer mean by saying someone may be 'practising interruption with remarkable discipline'?
6According to the writer, when does efficiency become dangerous?
7Which idea is NOT supported by the text?