Unit2重点单词词组解析.doc

Unit 2 重点单词，词组解析重点单词词条1 compete 课文原句 How many countries competed in the ancient Olympic Games? (Page 9)点拨 compete意为“竞争，比赛”，后常跟介词with，against，for等。例如： All companies should compete fairly and cant make any illegal deal. In this game the women will compete with the men for the gold medal. Ten singers will compete in the final for the champion.拓展 compete的名词形式有两个，一个为competition，它作“竞争”讲时为不可数名词，作“比赛”讲时为可数名词；一个为competitor,意为“竞争者，对手；参赛者”。例如： Mary was in competition with 10 other applicants for the post. There will be a swimming competition in our school next week; do you want to take part in it? Who do you consider to be our main competitor? compete的形容词形式为competitive，意为“竞争的；有竞争性的”。例如：We need to work harder to keep competitive in the market.词条2 replace 课文原句 So even the olive wreath has been replaced! (Page 10)点拨 replace在此意为“取代，代替”，相当于take the place of。例如：Theres nothing that can replace a mothers love.拓展 replace还可意为“（用）替换，（以）接替；更换，更新；把放回原处”。例如： Mark will be replaced by Mary while he is not at the company next month. All the old furniture in the house needs to be replaced. He replaced the book on the shelf after finishing reading it.词条3 advertise 课文原句 Now you are asked to make a poster to advertise a sporting event.(Page 13)点拨 advertise在此为及物动词，意为“为登广告”。例如：Companies may advertise their products by means of newspapers, magazines and televisions.拓展 advertise还可作不及物动词，意为“登广告征求（寻找）”，常和for连用。例如： He advertised for his missing dog. This factory advertises for workers. You can go and see if youre fit there. advertise的名词形式为advertisement，为可数名词。例如：If you want to sell your things, you can put an advertisement in the newspaper.词条4 deserve 课文原句 Do you think Hippomenes deserved to win the race? (Page 15)点拨 deserve意为“应受，值得”，不能用于进行时。后接名词或动词不定式。例如： He deserved the praise. They deserved to be well treated.拓展 deserve的过去分词deserved可用作表语和定语。例如： I think his glory is deserved. It is just a deserved punishment for him.重点词组词条1 as well 课文原句 For each Olympics, a special village is built for them to live in, a main reception building, several stadiums for competitions, and a gymnasium as well. 点拨 as well 意为“也，还”的意思。又如：Its been a great grief for her as well.拓展 辨析too，as well，also，either：too用于肯定句，放在句末，其前常用逗号分开；as well用于肯定句，通常位于句尾，表强调时可位于句中，通常不用逗号分开；also用于肯定句，一般放在be动词和助动词之后、行为动词之前；either表示“也”时一般只用于否定句，且置于句末。例如： Tom likes reading, too. He is the captain of the ship and is the driver of it as well. I was at her birthday party, and he was also there. Tom doesnt like swimming. I dont, either. as well as也经常作“也，和”讲，但它通常连接两个对等的成分，即as well as前后的成分相同，同时为主语、宾语、表语等。需要注意的是，如果as well as连接两个并列成分作主语时，其谓语动词要与其前面的部分保持人称和数的一致。例如： He wants a bike as well as a basketball. The girl is lively as well as healthy. English, as well as Chinese and maths, is of great importance.词条2 in charge 课文原句 _ duty to be in charge and get in trouble if things go wrong.点拨 in charge意为“负责，看管”，表示具体负责某事时，后加of sth.。又如： Who is in charge here? Miss Liu is in charge of the Foreign Department of our school.拓展 charge构成的其他常见短语：in the charge of sb.“由某人负责，由某人照料（管理）”；take charge of“负责管理（照顾）”；leave . in the charge of sb. / leave . in sb.s charge“交由照管”。例如： The company is in the charge of William now. From next term, Mr. Wang will take charge of our class. She left her son in my charge when she went on a business trip.词条3 stand for 课文原句 What do the five rings on the Olympic flag stand for? 点拨 stand for 在此意为“代表”。又如： Our flag stands for our country. USA stands for the United States of