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1.看标题
目的：文章主旨+结构+全文关键词
Exercise A：Look at the following titles and see what you can get.
Rising Seas
Human-powered Pumps for African Farmers
Principles of Fiber Opticals
Holism of Education
Paper Money
Numeration
Give Up Six Words and Change Your Life
The Nature and Aims of Archaeology
Obtaining Linguistic Data
Visual Symbols and the Blind