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/less
There 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,spend
take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