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1、7A Unit7 知识点Comic strips and Welcome to the unit (P80-81)P80 1. I dont have any money.= I have no money. not any=noWe have no time.=_ 2. Heres my wallet. 这是我的钱包。本句是以here开头的倒装句，句中的主语是my wallet,其正常语序为My wallet is here. Here后动词be的单复数形式要根据名词的单复数确定。Here is a card for you. Here are your gifts. 3. I need y
2、ou to carry all the bag. carry 作动词，意为“拿，提，搬” The bag is too heavy. I cant carry it.(carry无方向性，指将某人或某物随身带着，并从一处带到另处)Please take the chair away.(take 强调方向性，指将某人或某物从说话人处“带走”或“拿走”)Bring me that book tomorrow please.(bring 表示将某人或某物从别处“带来”或“拿到”说话人所在的地方与take相对)P81 1. Thats a good idea. 好主意。 当我们对别人的建议和想法表示赞
3、同时，常用Thats a good idea相当于Good idea。idea为名词，意为“主意，想法” an idea Do you have any ideas?Lets go to the park this Sunday.Good idea./ Thats a good idea.2. Maybe he is not interested in music. Maybe意为“也许，可能”，常位于句首表示猜测。 Maybe your book is on the desk.也许你的书在桌上。 be interested in意为“对感兴趣”，in为介词，后接名词、代词或V-ing.My
4、brother is interested in English and he is also interested in _(play) tennis.interested意为“感兴趣的”，其主语是人； interesting意为“有趣的”，其主语通常是某事物。interest是名词，意为“兴趣”The story is _ and all of us are _ in it. (interest) Reading(P82-84)P82 1. Can I help you? 你需要什么？ 该句是服务员主动询问顾客需要是，或是向别人提供帮助时的常用语。类似的句子还有：What can I do
5、 for you?/ May I help you?/ Is there anything I can do for you? 2. How much do they cost? 这些卡片多少钱？ how much在这里用于询问商品的价格，意为“多少钱”。 询问价格：How much is it?/How much does it cost? 它多少钱？ Its ten yuan. / It costs ten yuan. 它10元。 How much are they?/ How much do they cost? 它们多少钱？ Theyre ten yuan. / They costs
6、ten yuan. 它们10元。 Whats the price of it/ them? 它/它们的价格是多少？ 这本书多少钱？它的价格是20元。（3种） 这些邮票多少钱？它们是50元。（3种） _ _ _ _ _ _3. 花费种种 sb spend time/money on sth 某人花费多少时间/金钱在.上 Eg. I always spend a lot of time on my lessons. 我总是在我的功课上花很多时间。 He spends forty yuan on this ball. 他在足球上花了40元。 sb spend time/money (in) doin
7、g sth 某人花费多少时间/金钱在.上 Eg. She spends an hour doing her homework every day. 每天她花一小时做家庭作业。 sb pay money for sth 某人花多少钱买某物 Eg. I ll pay fifty yuan for this bag. 我将花50 元买这个包。 sb pay for sth 某人付钱买某物 sth cost(s) sb +money 某物花费某人多少钱 Eg. This bag costs me sixty yuan. 这个包花费我60元。 It takes sb some time to do st
8、h 花费某人一段时间做某事 Eg. It takes her two hours to ride to school. 骑车上学需要花费她两小时。我每天花费半小时步行回家。（两种） 这本书花了我10元。（三种）_ _ _ _4. Theyre two yuan each. 它们每张两元。each在句中作代词，意为“每个”，指两个或两个以上的人或物中的“每一个”。each作主语时，谓语动词用第三人称单数形式。Eg. Each of us has a desk. 我们每个人都有一张桌子。5. Thats enough. 那够了。 enough 足够（的），充分（的） Eg. We have eno
9、ugh food for supper. 晚餐我们有足够的食物。 I had enough, thank you. 我已经吃饱了，谢谢你。 enough也可用作副词，意为“足够地；充分地” Eg. Im not strong enough to carry the heavy box.我不够强壮，拎不动这个重盒子。注意：enough在句中的位置：若修饰名词，放在名词前，如：enough time/money/energy；若修饰形容词或副词，要放在形容词或副词的后面,如：tall/old/lucky enough。Eg: This boy is _ to take care of himsel
10、f.这个男孩够大，能够照顾自己。 Many people help the poor boy. He is _.(够幸运)Grammar(P85-86)P86 some 与any1. some用于肯定句中，但是当我们提出建议和请求的疑问句中也用some,在期望得到肯定回答的疑问句中也用some。2. any用于否定句和疑问句中，含有some的句子改否定句和疑问句时，要把some改any。3. some和any都可以修饰可数名词和不可数名词。4. 在if引导的条件状语从句中，用any不用some。Eg. If you have any questions, put up your hands.用
11、some和any填空1. Would you like _ tea?2. Is there _ water in the cup?3. Can I have _ cakes now?4. Are there _ books on the desk?5. Will you please buy _ paper for me?6. Sorry. I dont have _ books about computers.P87 There be 某地有某人/物1. There is + 单数名词+ 介词短语 There is a book on the desk.There is some + 不可数
12、名词+ 介词短语There is some food on the table. There are + 可数名词复数+ 介词短语There are many pears on the trees.2. there be句型中有两个以上名词短语时，be动词形式与第一个名词一致，即就近原则。There is a pen and some books on the desk.There are some books and a pen on the desk.3. 就there be句型主语提问，无论主语是单数还是复数，用 What is + 介词短语？ Eg. There are three boxes of tomatoes in the room._ in the room?4. There be 句型改否定句时，在be动词后加not，如果句中有some改为any；改为一般疑问句时，把be提前，some改为any 肯定/否定回答Yes, there is/are. No, there isnt/arent.There is some milk in the bottle. (改为一般疑问句并作肯定否定回答）_There are some boys in the playground. (改否定句)_5. There be 与
