Unit 3 Will people have robots？ 单元知识点总结-七年级英语下册同步精品课堂（鲁教版）

Unit 3 Will people have robots?单元总结思维导图知识要点知识要点一：There will be fewer people. 将会有更少的人。(1) there will be 意为“将有；会有”，是There be的一般将来时，其否定形式是“There won't be...”，一般疑问句形式是“Will there be...?”There will be...有时可以与There is /are going to be..相互转换。例如；There will be a film this evening. 今晚将有一场电影。 There won't be a film this evening.今晚将没有电影。 Will there be a film this evening ?今晚将有一场电影吗?Yes，there will./No，there won't. 是的，有。/不，没有。(2) 【辨析】fewer/lessThere will be less fresh water. 将会有更少的淡水。There will be fewer jobs. 将会有更少的工作。[辨析】a few/a little/few/little Don't worry.We have a little time. 别担心，我们还有点时间。It took me a few days to repair the bike. 我花了好几天修自行车。There is little water in the glass. 杯子里几乎没水了。He had few oranges in the basket. 他篮子里几乎没有几个橘子。【拓展】当名词前有only，just，still等时，常用a little或a few修饰名词。There is only a little sugar. Canyou buy some ?只有一点糖了，你能买一些吗?知识要点二：Will people use money in100 years? 100年后人们还使用钱吗?【辨析】in/ after He started studying after lunch .他是午饭后开始学习的。She'll come and see you in a few weeks.她几周后会来看你。知识要点三：They help with the housework and do jobslike working in dirty or dangerous places. 它们帮忙做家务并在脏的或危险的地方工作。(1)help (sb.) with sth.=help (sb.) (to) do sth.意为“帮助(某人)做某事”。例如：He often helps his mother with the housework .他经常帮他妈妈做家务。 dangerous adj.危险的(2) dangrer n.危险 dangerously adv.危险地 safe adj.安全的其反义词为 safety n.安全 safely adv.安全地例如：The children are in a dangerous place .这些孩子在一个危险的地方。知识要点四：Today there are already robots working in factories.现在已经有机器人在工厂里干活了。(1) There be sb./sth.doing sth.意为“有某人/物正在做某事”，sb.或sth.与doing sth.构成逻辑上的主谓关系，并且表示动作正在进行。例如：There is somneone talking in class.有人在课上说话。There are birds flying in the sky.天空中有鸟在飞翔。(2) already意为“已经；早已”，用于肯定句，置于句中或者句末均可。yet意为“还；仍然”，常用于否定句或疑问句中，常置于句末。知识要点五：Fewer people will do such jobs in the future because they are boring，but robots will never get bored.在未来更少的人会做这样的工作因为它们是令人厌烦的，但是机器人将不会感到无聊。(1) such意为“这样的；如此的”，用来修饰可数名词或不可数名词。①作定语I want to find such a job.我想找到一份这样的工作。②加强语气It's such a fine day!今天天气真好!【辨析】such /so(2) 【辨析】bored/ boring例如：Tom is a boring boy.We don't like him.汤姆是一个无聊的人。我们不喜欢他。Sometimes I get bored on weekends .周末有时我感到无聊。知识要点六：However，they agree it may take hundreds of pears.然而，他们认为这可能会花费数百年的时间。(1) take在句中意为“花费”，常用于花费时间，主语是人或物均可，后常加动词不定式。It takes (sb.)some time to do sth.意为“花费(某人)多长时间做某事”。例如：It takes me half an hour to get to school bybike.我骑自行车上学用半小时时间。【辨析】take，spendtake意为“花费”，常用于花费“时间”，主语是人或物均可，常与动词不定式连用.例如： Keeping pets may take time and cost money.养动物可能花时间和金钱。It takes an hour to go to work.去上班花费一个小时时间。I'm going to take a few days to relax.我打算花几天时间放松。spend意为“花费；度过”，常用于花费“时间或金钱”，主语是人，常与v-ing连用或后接介词on， 即sb.spend+ sometime /some money (in) doing sth.spend +sometime/ some money例如：Don't spend too much time on games .不要花太多时间玩游戏。They spent lots of money buying abighouse.他们花了很多钱买了一个大房子。注意:当hundred，thousand等词前有具体数字或several时，其后不加“s”， 也不与of连用， 直接修饰名词；hundreds of trees大量的树，而hundreds of前面不可数名词。例如：two hundred trees两百棵树(2) hundreds of意为“许多；大量的”口例如：There are hundreds of people in the hall.大厅里有许多人。知识要点七：If buildings fall down with people inside，these snake robots can help look for people under the buildings ...but computers and rockets also seemed impossible 100 years ago.如果建筑物倒塌了，里面有人，这些蛇形机器人能帮助寻找建筑物下的人。……但是电脑和火箭在100年前似乎也是不可能的。(1)fall down意为“突然倒下；跌倒；倒塌”，是不及物动词短语，其后不能接宾语。例如：He fell down while running .他跑步时摔倒了。Don't stand here. The wall seems to fall down. 别站在这了，墙好像要倒塌了。(2)look for意为“寻找；寻求”【辨析】look for /find/ find out(3) 【拓展】seem的用法归纳：seem+形容词。例如：He seems happy .他似乎很高兴。seem+to do sth. 例如：He seems to know everything .他好像什么都知道。It seems/seemed+that从句。例如：It seems that he knows everyone .好像他谁都认识。 fewer few的比较级，意为“较少的“， 修饰可数名词复数lesslittle的比较级，意为“较少的”， 修饰不可数名词 词汇后面跟的名词 句子类型 a few  可数名词 肯定句a little 不可数名词肯定句few可数名词否定句 little 不可数名词否定句in表示“以后”，指以现在为起点的将来一段时间以后，常与将来时连用after 表示“以后”，指以过去为起点，表示过去一段时间以后，常与过去时连用such “如此的；这样的”,形容词修饰的中心词是名词，但当名词前有few，little(少)many，much时用sosuch a good teacher这么好的老师so many people这么多的人so “如此；这样”，副词修饰形容词或副词so beautiful这么美丽run so fast跑得这么快  “像这样；如此”，代词代替上文提到的情况  I hope so.我希望如此。“因此；所以”，连词连接句子So you will get goodgrades.那么你将取得好成绩。bored厌倦的；烦闷的；感到无聊的一般在句中修饰人，强调感受boring 无趣的；令人厌烦的；单调的一般在句中修饰人或物，强调事物本身的特质look for意为“寻找”，是有目的地找，强调“寻找”这一动作I looked for my key everywhere but I didn't find it.I still wanted to find out where I left it.我到处找我的钥匙但是没有找到。我还是想弄清我把它落在哪里了。find 意为“找到；发现”，强调找到一个人或者一件东西，强调找的结果find out意为“查明；弄清”,指经过调查弄清楚一件事情