Unit 5 知识点讲解加练习重庆市第一中学校2022-2023学年人教版九年级英语全册

Unit 5 What are the shirts made of ? Section A 【1a-2c】 Is it made of silver? (P33) 1. be made of/ from/in/into/by 1) be made of sth.“由…制成”，强调看得见原材料 e.g. 这张桌子由木头制成。The desk________________wood. 2) be made from sth.“由…制成”，强调看不见原材料 e.g. 纸由木头制成。Paper_________________wood. 3) be made in “在…制造”，强调制造地点。 e.g. 很多玩具产自中国。Many toys________________China. 4) be made into“被制成…”，后接成品。 e.g. 这些棉花和丝绸将会被制成衣服。 The cotton and silk__________________clothes. 5) be made by “由…制成” e.g. 这个模型是我爸爸做的。The model__________________my father. *be made up of 由…组成 The team is made up of forty-five boys. 【练练吧】 1. The machines were made__________the workers. 2. This kind of watch is made________Shanghai. 3. This kite is made________paper. 4. This kind of drink is made__________apple. 5. This kind of car is made__________this factory. 6. This piece of wood will be made_________a small bench. 7. The lifeboat_________plastics was sent to the people in danger. A. is made of B. is made from C. made from D. made of grass and leaves (P34) 2. grass 1) u.n.指各种草的总称 e.g. My father is cutting grass. 2) the grass草坪 【练练吧】 1.请勿践踏草坪。Please_________ _________the grass. 2.在草坪上 _____________ 【被动语态】 一. 语态概述 英语的语态是通过动词形式的变化表现出来的。英语中有两种语态：主动语态和被动语态。 1) 主动语态表示主语是动作的执行者。 Many people speak Chinese. (speak的动作是由主语 many people来执行的) 2) 被动语态表示主语是动作的承受者，即行为动作的对象。 Chinese is spoken by many people. (主语Chinese是动词speak的承受者) 二. 被动语态的构成 英语动词的被动语态由：be+done 其中：1. be必须与主语的人称、数保持一致。 2. 被动语态的时态也是通过be的变化表示的。 初中阶段主要掌握以下四种： (1) 一般现在时的被动语态：am/is/are+过去分词 (2) 一般过去时的被动语态：was/were+过去分词 (3) 一般将来时的被动语态：will be+过去分词；am /is/ are going to be+过去分词 (4) 含有情态动词的被动语态：情态动词+be+过去分词 【练练吧】 1. Trees______________(plant) every year. 2. The bottle______________(fill) with water by the little boy last night. 3. The tea_______________(pick) next month. 4. The work must________________(finish) in a week. 三. 被动语态的用法： 1.不知道或没有必要说明动作的执行者是谁。 Some new computers______________(steal) last night. 一些新电脑在昨晚被盗了。（不知道电脑是谁偷的） This bridge______________(build) in1981. 这座桥竣工于1981年。（不知