初中英语词汇学习：Will people have robots

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　　1. in prep. 在……之后(用于将来时)

　　in 100 years 在一百年后

　　People will have robots in their homes in 100 years.

　　一百年以后，人们家中会有机器人。

　　比较：after 在……之后(用于过去时，表示从过去某时间起一段时间之后)

　　He will come back in two hours. 他两小时后会回来。

　　He came back after two hours. 他是两小时后回来的。

　　2. less, fewer 比较少;more 比较多

　　less 是little 的比较级，修饰不可数名词

　　fewer是few的比较级，修饰可数名词

　　more 是much和many的比较级

　　much 修饰不可数名词，many修饰可数名词

　　I have less money than he has. 我的钱比他的少。

　　There are more building in this city than in that city.

　　这个城市的楼房比那个城市多。

　　3. fall in love with ... 爱上……

　　Last year I visited the art exhibition and fell in love with the work of Picasso.

　　去年我参观了艺术展，爱上了毕加索的作品。

　　4. a kind of ... 一种;some kinds of ... 几种

　　a kind of book 一种书

　　five kinds of flowers 五种花

　　many different kinds of goldfish 各种不同的金鱼

　　(fish 单复数相同，此处是复数)

　　5. as well as 也;与too 同义

　　He likes this book and he likes that book, too. / He likes this book as well as that book. 他喜欢这本书，也喜欢那本书。

　　She can come here, too. / She can come here as well. 她也能来。

　　6. worth adj. 值……;值得……;相当于……价值

　　This house is worth $10 000. 这个房子价值一万美元。

　　be (well) worth doing sth. (很)值得做

　　That film is (well) worth seeing. 那部电影(很)值得看。

　　These books are worth reading twice. 这几本书值得看两遍。

　　7. knock down ... 击倒，撞倒;拆除

　　knock down the pins 击倒球柱

　　knock down the machine 拆除机器

　　knock 组成的词语还有：

　　knock on (at) the door 敲门

　　knock into sb. 撞了某人

　　knock up 叫醒