Unit 6When was it invented?Section B第三Section B 1a~1e 课前导学（续表） 听课本第45页1c录音，选择正确答案。C( )1.The potato chips were invented by a cook called . A. George Crum B. Tom Green C. George Smith D. Tom Crum( )2.The potato chips were invented in . A.1815 B.1863 C.1853 D.1925A( )3.At first the customer didn’t like the fried potatoes because they were too .A. thick B. thin C. salty D. sweet( )4.At last the customers the potato chips.A. couldn’t stand B. hated C. didn’t mind D. lovedAD( )5.Potato chips were invented . A. after thinking for a long time B. by mistake C. by a housewife D. in ChinaＢ 课文导学1.Potato chips were invented by mistake. 薯条是无意中被发明的。(1)potato chips意为 “薯条”，potato 和chips都是名词，为“名词修饰名词”结构，也称复合名词，其复数形式通是将最后一个名词变为复数形式。如：a boy student — two boy students an apple tree — five apple trees知识拓展如果复合名词的第一个名词是man或woman时，两个名词都要变为复数形式。如：a man teacher — ten men teachers a woman nurse — many women nurses(2)by mistake错误地；无意中如：He opened the box by mistake.他无意中打开了箱子。即学即练( )(1)Here come three |
