The key answer of exercise 9

a)

• Paragraph 1 → Ss work out answers on their own.
• Paragraph 2 → the local woman was twenty-two.
• Paragraph 3 → with no teachers, children feel they have more control; at first, children were frightened (as well as curious.

b)

The writer follows the first three points - there are examples of each. Regarding the fourth point (Be accurate ...), it's possible the writer left out bits of information because they weren't that important / relevant, in which case the writer DOES follow this point too. The one point that the writer goes against is the fifth, as the writer gives an opinion in the last sentence. The last point (Acknowledge any sources) isn't relevant to this summary.