单项选择题
Over（）science parks have been set up by higher education institutions in conjunction with industrial scientists and technologists.
A.10 B.20 C.30 D.40
单项选择题 The universities of Oxford and Cambridge date from the（）centuries.
单项选择题 Some（）per cent of secondary schools in England are grant-maintained (GM)self-governing schools.
单项选择题 There are some （）universities, including the Open University in Britain.
