Unit6 SectionA 1a-1c 课件2022-2023学年人教版新目标英语九年级全一册

Section A Period 1 (1a—1c) When was it invented? Unit6 教学目标： 1) 能熟练掌握以下单词和句型： ① invent ---invention--- inventor ②—When was the telephone invented? —I think it was invented in 1876. 2) 能谈论物品被发明的时间、发明者，表达某发明的用途。 宾语从句 1.含义： 2.结构： 当主语为动作的承受者时，谓语要用被动语态。 be done (动词的过去分词) What do you know the Four Great Inventions in ancient China ? paper-making printing gunpowder compass Warming - up Do you know what the most useful inventions are in our life? 1a Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4](1=first,4=last) 1 2 3 4 What order do you think they were invented? A: I think the was invented before . B: Well, I think the was invented after . I think the TV was invented before the computer. 1b. Listen and match the inventions with the years. ______ 1876 ______ 1885 ______ 1927 ______ 1971 d a c b 1c Pairwork A: When was the … invented ? B:I think it was invented in …. computer 1971 car 1885 TV 1927 telephone 1876 A: What is it used for? B: It is used for… B:The telephone was invented in 1876.(eighteen seventy-six) A:When was the telephone invented? B: A:When was the car invented? Cars were invented in1885. B: A:When was the TV invented? The TV was invented around 1927.(nineteen twenty-seven) B: A:When was the computer invented? The personal computers were invented in1971. (nineteen seventy-one) 1， 一般过去时的被动语态，以invent为例 be invented by+人 由…人发明 be invented in+年 在…年被发明 当主语为不可数名词或者可数名词单数 时，be动词用was；当主语为可数名词 复数时，be动词用were。 ConclusionConclusion Language points 2.invent动词，意为“发明，创造”，新东西。 invention名词，意为“发明物”；inventor名词，意为“发明家，发明者”。 eg.：Edison, a great inventor, invented many great inventions during his life. 根据汉语意思填空 1.飞机是谁发明的？ Who the plane by? 2.飞机是莱特兄弟发明的。 The plane by the Wright br