Unit 6 When was it invented?基础练习（无答案） 人教版九年级英语全册

Unit 6.When was it invented 语法重点———一般过去时态的被动语态 构成———was/were + done（动词的过去分词） The desk was made by my father.这张桌子是我父亲制作的。 被动语态的应用和注意事项 不知道或没有必要说明动作执行者是谁时 These books are written for children.这些书是为儿童写的 强调动作承受者 The book was written by J.K Rowling.这本书是有J.K 罗琳写的。 出于礼貌等方面考虑不愿说出动作执行者 He was asked to given a talk about how to learn English well. 他被要求作关于怎样学好英语的报告。 被动语态的注意事项 “主语 + 连系动词 + 表语”的句子没有被动语态 There be 结构没有被动语态 主动句中宾语是反身代词的没有被动语态 主动句的谓语动词是不及物动词的没有被动语态 有些带有介词的短语动词，变被动语态介词不能丢 He looks after his younger sister.他照看他妹妹。 ———His younger sister is looked after by him. 在主动语态中，make,hear,see,watch,notice等词后跟不带to的不定式做宾语补足语，但是变被动语态时，要带to We saw a stranger enter the hall ———A stranger was seen to enter the hall by us. 我们看到一个陌生人进入大厅。 书面表达 假设你是一位商人，写一个你的新发明的说明。尽力向同学们推荐这项发明。 This special pen was invented by Liu Jie. It has three colors ,and it used for taking notes quickly. It is very useful if you have a lot to write down.The pen comes with a microchip that can store a list of common words that you will use.You can program the words you will use often into the microchip’s memory, and then assigna short form to each word.When you are writing ,you just need to write the short forms with the pen,press a button on the pen and all the short forms will change into the actual words . The microchip can contian up to 50 words and you can make changes to the list of whenever youi need to. So why not have a special pen Unit 6.When was it invented 单项选择 （ ）1.—Would you please come to the dancing party with me tonight —_____I suppose we shall have a wonderful night ! Never mind B.Have a good time C.Not exactly D.With please （ ）2.The cheese cake___ so good that I can’t wait to eat it . tastes B.feels C.sounds D.smells （ ）3.Mount Lao is one of____mountians in Qingdao.Many tourists like climbing it every year. famous B.the more famous C.most famous D.the most famous （ ）4. _____birds have come back because the environment becomes better and bettter. Thousands of B.Thousand of C.Thousands D.Thousand （ ）5.—The fridges are on sale in supermarket today.—Really Let’s go and buy ____for our new kitchen. one B.it C..that D.them （ ）6.Sorry,this is your letter,but I opened it _____. by mistake B.by accident C.by myself D.by mistakes （ ）7.—Who’s the little girl in the photo.Luara —It’s me.This photo ____when I was five. is taken B.takes C.was taken D.took （ ）8.Paper making_____by the Chinese in Western Han dynasty. is invented B.invented C.was invented Dinvents （ ）9.Tea, the most popular drink in the world,_____by accident in China. discovered B.is discovered C.will be discovered D.was discovered （ ）10.—Mary_____just now What happe ... ...