i能力点4：思维导图nventions

这是一篇关于i能力点4：思维导图nventions的思维导图

inventions

• what
  • telephone,car,personal computer,shoes with lights,shoes with special heels hot ice-cream,
• structures
  • when was the zipper invented?what is it used for?
• who
  • whitcomb judsonm,ShenNong,Alexander Graham Bell
• use
  • seeing in the dark,serving for really cold ice-cream
• when
  • 1876.1885.1927,about 5000 thousand years ago,100years ago