1、单词讲解单词讲解R 七 年 级 上 册Unit 6 Do you like bananas?n.香蕉例句：Does he like bananas?n.汉堡包例句：Id like some bananas and hamburgers.n.西红柿例句：There is a tomato on the table.巧记：以 o 结尾的需加 es 构成复数形式的名词：讲解：复数形式为 tomatoes英雄(hero)爱吃西红柿(tomato)和土豆(potato)，真有意思(-es)。n.冰激凌例句：Can you get some ice-cream for me?uLets have an i
2、ce-cream.讲解：由“ice(n.冰)+cream(n.奶油)”构成的复合词。既可作不可数名词，也可作可数名词。作不可数名词时，泛指冰激凌这种食品；作可数名词时，意为“一份冰激凌”，其前用不定冠词修饰时，应用 an。n.沙拉例句：uI like salad,but my sister doesnt.uHere is a salad for you.讲解：是音译词。既可作不可数名词，也可作可数名词。作不可数名词时，泛指沙拉这种食品；作可数名词时，意为“一份沙拉”。拓展：其他常见的食品音译词如下：hamburger 汉堡包 cola 可乐 sandwich 三明治 其他类似的单数变复数的名词
3、如下：n.草莓例句：She has some strawberries after dinner.复数形式：strawberries拓展：family（家庭）familiesdictionary（词典；字典）dictionarieslibrary（图书馆）librariesn.梨例句：I dont like pears.n.牛奶例句：Please get me a cup of milk.拓展：v.挤奶讲解：常借助表示计量单位的名词来表示它的量。如 a cup of milk（一杯牛奶），two cups of milk（两杯牛奶）。例句：Helen always helps her moth
4、er milk the cow.图解：v.挤奶n.牛奶n.面包例句：I usually have an egg and some bread for breakfast.u Please give me two pieces of bread.讲解：不能与不定冠词a或具体的数词连用，表示具体的面包数量时，可以借助于 piece。如 a piece of bread（一片面包），three pieces of bread（三片面包）。n.生日例句：Do you know her birthday?uCan you come to my birthday party?构成：birth(n.出生)d
5、ay(n.一天；一日)短语：birthday cake 生日蛋糕birthday party 生日聚会birthday card 生日贺卡birthday present 生日礼物n.(中午或晚上吃的)正餐例句：Its 6:00.Lets have dinner.辨析：dinner 一般指一天中较为正式的一餐，可以晚上吃，也可以中午吃。在西方国家，晚餐一般是一天中最为丰富的一餐，因此 dinner 常用来指晚餐。此外，dinner一词比较正式，邀请朋友赴晚宴通常用它。短语：have dinner 吃晚餐 have for dinner 晚餐吃dinner 与 suppersupper 只表示“
6、晚餐”，不如 dinner 正式。n.周；星期例句：What about going to Beijing next week?短语：next week下周（该短语前不加介词）思考；思索讲解：其中about是介词，后接名词、代词或动词 ing 形式。例句：You should think about your parents.拓展：与think相关的其他常见短语如下：think of 想出；想起think over 仔细考虑think back 回想起 (2)可数名词：食物。通常表示特定种类的食品，其复数形式为foods。(1)不可数名词：食物。表示食物的总称。作主语时，谓语动词用第三人称单数
7、形式。n.食物例句：The food here is great.We need healthy food.讲解：sea foods 海产食品讲解：短语：healthy food 健康食品junk food 垃圾食品 fast food 快餐短语：adv.当然；肯定；一定例句：Can you play sports with me?Sure.讲解：表示同意别人的建议或请求，相当于 OK,of course 或certainly。(提出建议)怎么样例句：How about the yellow jacket?拓展：讲解：用于提出建议或请求。其中 about 是介词，其后可接名词、代词或动词-in
8、g 形式。英语中其他常用于提建议的句型如下：(1)Lets 咱们吧。(2)Why not?/Why dont you?（你）为什么不呢？n.蔬菜例句：I like vegetables.uLets have some vegetable soup.作定语修饰其他名词时,要用单数形式n.水果例句：uMy parents like to have some fruit every day.uApples and bananas are my favorite fruits.讲解：作不可数名词时，表示水果的总称；作可数名词时，表示水果的种类，其复数形式为 fruits。adj.正确的；适当的讲解：(
9、1)形容词 正确的；适当的在句中作表语或定语。此时反义词为wrong,意为“错误的”。uI think he is right.(2)形容词 右边的此时反义词为left,意为“左边的”。uCan you see a dog in the right picture?(3)名词 右边；右方此时反义词为left,意为“左边；左方”。uHelen is on my rightn.苹果例句：u This is an apple.u Here are some apples for you.读音以元音音素开头，其前用不定冠词时，应用 an注意：adv.那么例句：uThen,lets go home.uI
10、 cant find my dog.Where is it then?讲解：(1)那么：可位于句首或句末，用于缓和语气。例句：I want to have an apple,and then drink some milk.讲解：(2)那时；然后n.蛋；鸡蛋例句：I like eggs and milk for breakfast.图解：an egg two eggsn.胡萝卜例句：Do you like carrots?图解：carrot carrotsn.大米；米饭例句：图解：What does your brother like for dinner?He likes rice and
11、vegetables.n.鸡肉例句：How about having some chicken?拓展：(2)可数名词：鸡讲解：(1)不可数名词：鸡肉例句：Erics grandma has some chickens.图解：chicken 的一词多义：鸡肉（不可数名词）鸡（可数名词）conj.(引出评论或问题)那么例句：So do you like strawberries?讲解：(2)因此；所以：表示因果关系。讲解：(1)那么：位于句首，通常用于引出评论或问题。例句：Bruce likes playing soccer,so his father gets him a soccer ball
12、.n.早餐；早饭例句：What do you have for breakfast?短语：at breakfast早餐时before breakfast早餐前after breakfast早餐后have breakfast吃早餐have for breakfast早餐吃n.午餐例句：Jack always has lunch at home.短语：at lunch午餐时before lunch 午餐前after lunch 午餐后have lunch 吃午餐have for lunch午餐吃n.明星；星星例句：He is a sports star.讲解：(2)星星讲解：(1)明星例句：Loo
13、k!There are so many stars in the sky.v.吃例句：u I eat some fruit every day.u Im healthy because I eat right.讲解：其同义词是have。adv.好；令人满意地例句：Mike plays soccer well.串记：Li Ming is a good boy.He is well.He plays volleyball well.辨析：well 与 goodwell作副词，意为“好；令人满意地”，修饰实义动词，位于其后。I play tennis well.作形容词，意为“健康的；身体好的”，位
14、于连系动词后作表语。My parents are very well.good作形容词，意为“好的”，可作定语或表语。This is a good book.n.习惯例句：Its a good habit to do sports every day.Linda has good eating habits.短语：a good habit 一个好习惯eating habits 饮食习惯adj.健康的例句：Fruit and vegetables are healthy food.拓展：healthy的相关词：讲解：可放在名词前作定语或连系动词后作表语。短语：keep healthy 保持健康h
15、ealth n.健康healthy adj.健康的unhealthy adj.不健康的反义词adv.真正地例句：Tom really likes playing soccer.(2)真的吗：really可单独使用，常用于口语中，表示感兴趣、惊讶或疑问，后加问号。读时要用升调。讲解：(1)真正地：常在句中作状语。I cant find my ping-pong bats.Really？拓展：real adj.真正的His real name is Paul Smith.讲解：例句：例句：n.问题例句：uCan I ask you a question?uLet me answer the que
16、stion.讲解：指需要解答的问题，常与 ask和 answer 连用。v.需要；想要用法：want to do sth.想要做某事例句：The girl wants to eat vegetables.用法：want sth.想要某物例句：I want a map.用法：want sb.to do sth.想要某人做某事例句：I want you to help me find my keys.v.变成例句：uI want to be your friend.uMary doesnt want to be late.讲解：其后常接名词或形容词作表语。adj.肥的；肥胖的例句：Lily often plays sports,because she doesnt want to be fat.反义词：thin 瘦的讲解：在英语中，人们比较忌讳用 fat，形容一个人“胖”时通常委婉地用 heavy 或其他词。
