深圳版牛津版八年级上Unit2精品讲义一、知识目标：1、学习写带有数字的报告2、话题读写综合--人物佚事，并积累相应词汇及句式3、掌握本单元出现的重点词汇和重要句型，并能灵活运用4、掌握基数词、序数词的构成及用法，并能够运用数学运算的表达方式二、知识讲解：1、chess n. 国际象棋Playing chess. 下国际象棋The people are learning to play chess. 人们正在学习下国际象棋拓展】⑴play后接球类、棋类名词时，这类名词前不用冠词play basketball/volleyball⑵play后接表示乐器的名词时，这类名词前加定冠词theplay the piano/violin2、check v. 检查；核实Check some Maths problems. 核对一些数学题Our teachers check our homework every day. 我们的老师每天都检查我们的作业拓展】check的相关短语check in 登记； check out 办清手续后离开； check up 检验3、instead adv. 代替，顶替Wouldn’t you like gold or silver instead? 难道你不想要金子或银子来代替吗？【单词解析】instead是个副词，一般用于句首或句尾，和祈使句连用时只能放在句尾。
It will take days to drive a car, so let’s fly instead. 开车会花好几天时间，所以我们还是改乘飞机吧辨析】instead与instead ofinstead: 副词，“代替；顶替”，常位于句首或句尾instead of: 介词短语，“代替……，而不是……”，常位于句首或句中，后接名词、代词宾格、介词短语或动词-ing形式She didn’t answer me. Instead, she asked me another question.Instead of lending a hand, he laughed at us. 他不但不帮我们，反而嘲笑我们4、realize v. 认识到；意识到The king quickly realized the problem... 国王很快意识到了问题……【单词解析】realize的常见用法如下：⑴realize+n.At last she realized her fault. 最后她意识到了她的错误⑵realize+that从句I realized that it was time to go to school. 我意识到该去上学了。
⑶realize+疑问词+其他I don’t think you realize how important this is to her. 我认为你没有意识到这对她有多重要5、instructionsn. 指示，命令Learn how to give instructions about numbers. 学习如何给出有关数字的指示I’m under instructions to keep my speech short. 我接到指示，讲话要简短拓展】instruction作名词时，还可意为“用法说明；操作指南”Follow the instructions on the packet carefully. 仔细按照包装上的说明操作6、number n. 数字Read a story about numbers. 读一个关于数字的故事单词解析】number除了表示“数字”，还可以表示“号码”We often use Arabic numbers in our daily life. 在我们的日常生活中我们经常使用阿拉伯数字What’s your room number? 你的房间号码是什么？【拓展】number还可以用作及物动词，意为“标序号，给……编号”。
Please number the books.7、They used them to count things like the days of the month, the amount of food and the number of animals they had. 他们用这些记号来数每月的天数、食物的数量和他们拥有的动物的数量这类东西the amount of意为“……的数量”，修饰不可数名词the amount of+不可数名词”作主语时，谓语动词用单数形式The amount of money we have is not enough. 我们拥有的钱数不够辨析】the amount of与the number ofthe amount of: 强调总量，其后接不可数名词the number of: 强调数目，其后接可数名词复数如：the amount of snow降雪量the amount of money钱的数量the number of boys男孩的数量the number of chairs椅子的数量8、Some words have both a strong form and a weak form. 有些单词有重读和弱读两种形式。
both...and...意为“……和……都，不但……而且……”，用于连接并列的句子成分若bot...and...连接主语，其谓语动词需用复数形式Both his father and his uncle are very tall.9、However, they could only count small numbers in this way. 然而，用这种方法他们只能数较小的数字in this way “用这种方式/方法”，通常用来表示做某事的方式You should do the job in this way.【拓展】way的相关短语：in the way 挡道on the way 在路上by the way 顺便说一下on one’s way to 在某人去……的路上10、The king promised the old man, “you can have any prize if you win the game.” 国王向老人承诺说：“如果你赢了比赛，你可以得到任何奖赏⑴promise此处用作及物动词，表示“许诺；承诺”其后可接双宾语或动词不定式作宾语She promised me the book.They promised to come to the party on time.【拓展】promise也可作名词，make a promise意为“许下诺言；答应；保证”。
My mother made a promise to buy a new bike for me.⑵if是连词，意为“如果”，引导条件状语从句含有if引导的条件状语从句的主从复合句，主句用一般将来时，if引导的条件状语从句用一般现在时，即“主将从现”If it rains, I won’t go out tomorrow.11、They often put the tokens on pieces of string so that they could carry them around easily. 他们经常把这些标志串在细绳上，这样他们可以轻松地四处携带他们so that此处引导目的状语从句，意为“为的是，以便”，从句中常有can, could, may, might等情态动词so that从句可以转换为in order that或in order to do的结构I worked hard so that I could finish my work on time.=I worked hard in order that I could finish my work on time.=I worked hard in order to finish my work on time.我努力工作，为的是按时完成工作。
12、One day, a wise old man came to the palace and the king challenged him to a game. 一天，一位充满智慧的老人来到宫殿，国王向他挑战一次比赛⑴one day意为“有一天，某一天”One day, I met Mr Zhang in the street.【辨析】one day与some dayone day: 既可指过去的某一天，也可指将来的某一天；some day: 只表示将来的某一天One day, the old man was very happy. 有一天，那位老人很开心I think my dream will come true one day/some day. 我想我的梦想有一天会实现⑵challenge为及物动词，意为“向（某人）挑战”，challenge sb. to...表示“向某人挑战……”Do you want to challenge him?My father challenges me to a tennis game.13、Our Maths teacher uses a lot of games to help us learn. 我们的数学老师用很多游戏帮助我们学习。
use...to do sth. 意为“用……做某事”，相当于use...for doing sth.We use knives to cut things. = We use knives for cutting things.14、...and then double the amount for each of the rest of the squares. ……剩下的每个格子中放的米粒数量都是前一个格子中的两倍⑴double此处用作及物动词，意为“（使）加倍”The baby doubled its weight in a year. 那个婴儿一年中体重增加了一倍拓展】double的其他词性：①不及物动词，意为“加倍”To my surprise, the price of the cost doubled. 令我吃惊的是，这件外套的价格翻倍了②形容词，意为“两倍的；成双的；双重的”The word has a double meaning. 这个词有双重意思③名词，意为“两倍”Four is the double of two. 四是二的两倍⑵amount此处用作名词，意为“数量；数额”。
常构成如下短语：a large/great/huge/small amount of “大/少量”，用来修饰不可数名词The project will take a huge amount of time and money. 这个项目要耗费大量的时间和金钱⑶rest此处用作名词，意为“剩余部分”the rest of+名词” 意。