Lesson 3 Scientific breakthroughs warm up : A little quiz Isaac Newton , 1642-1727 , British physical scientist...
Unit 20 Lesson 3Scientific breakthroughsSome discoveries or inventions in the 20th century:Means of transport:Wright...
Unit20NewFrontiersCompoundWords复合词1.把两个或两个以上的词结合在一起构成新词的方法叫复合法。用复合法构成的词叫复合词。复合词种类...
Unit20Lesson3CompoundWords复合词1.把两个或两个以上的词结合在一起构成新词的方法叫复合法。用复合法构成的词叫复合词。复合词种类繁多...
Unit20Lesson3CompoundWords复合词1.把两个或两个以上的词结合在一起构成新词的方法叫复合法。用复合法构成的词叫复合词。复合词种类繁多...
lesson3ScientificbreakthroughsTeachingAims:1.Touseproperreadingstrategiesfordifferenttasks.2.Toimprovepracticalreadingskillsandabi...