黑龙江省黑河市爱辉镇中学九年级英语全册 Unit 9 When was it invented 1导学案（无答案） 人教新目标版.doc

课题 unit 9 when was it invented？学习目标 了解主动语态和被动语态,主动语态表示主语是动作的执行者, 被动语态表示主语是动作的承受者；被动语态的构成“助动词be+及物动词的过去分词”。学习重点 一般现在时的被动语态重点句型when was it invented? it was invented in 1885.when were electric slippers invented? they were invented last year.who were they invented by? they were invented by julie thompson.what are they used for? theyre used for seeing in the dark第一课时section a（1a2c）学习目标 了解一般过去时的被动语态及特殊疑问句。学习重点 一般过去时的被动语态词汇 invent. calculator be used for scoop adjustable heel battery operate slipper heat课堂导学方案 invent；find；find out; discover invent意为“发明”，指通过劳动运用聪明才智“发明创造”出以前从未存在过的新事物。who invented the telephone？ 是谁发明电话的？he invented a new teaching method他发明了一种新的教学方法。find意为“找到、发现”，指找到或发现自己所需要的东西或丢失的东西，着重指找到的结果。weve found oil under the south sea我们已在南海发现了石油。they finally found a way 他们终于找到了办法。意为“发现”，表示“偶然”或“经过努力”发现客观存在的事物、真理或错误，即指发现原来客观存在但不为人所知的事物，也可表示发现已为人所知的事物的新的性质或用途。columbus discovered america in1492哥伦布1492年发现了美洲。we soon discovered the truth 我们很快就弄清了真相。find out指经过研究或询问查明某事或真相。ive found you out at last.我终于把你揭露了。please find out when the ship sails for new york.请打听一下那艘船什么时候开往纽约。please find out what time the delegation will come.请查一查代表团什么时候来。1edison the electric lamp2i lost my necklace last nighti havent it3who america first？4can you what time the train leaves？be used by的意思是“由（被使用。” “used to加不定式”表示过去常常干某事现在不在干了。 例如: i used to go to work by bus. now i take a taxi. she used to be very shy. “be used to doing”表示习惯于干某事 be used for意为“（某物）被用做”其后接名词、代词或动名词。如： （1）this kind of bamboo can be used for water pipes . 这种竹子可用作水管。 （2）a knife can be used for cutting bread . 刀可用来切面包。 be used to do sth. 也可表示“（某物）被用做”，但其后接动词原形。如： （3）a hammer is used to drive nails . 锤子是用来敲钉子的。 提示：be used as相当于be used for的用法。如： （4）the girl is being used as a servant in the house . 这个女孩在家里被当做佣人使唤着。达标检测 单项选择( ) 1 the peoples republic of china _ on october 1, 1949. a. found b. was founded c. is founded d. was found( ) 2 english _ in canada. a. speaks b. are spoken c. is speaking d. is spoken( ) 3 this english song _ by the girls after class . a. often sings b. often sang c. is often sang d. is often sung( ) 4 this kind of car _ in japan . a, makes b. made c. is making d. is made( ) 5 new computers _ all over the world. a. is used b. are using c. are used d. have used用所给词的适当形式填空1.edison was a great _ (invent) and he invented more than one than one thousand _( invent ).2. the old people should _(speak) to politely. 3. a stamp is us