Period 4 单元语法讲练(Using language) 1．come across 偶然发现；偶遇 come about 发生 come up 走近；被提出 come up with 提出；想出 come on 赶快；开始运行 come out 出现；出版 come to 被想出；达到；总数为 when it comes to... 当谈到……时 [即学即练]———单句语法填空/完成句子 ①I came across an old school friend in Oxford Street this morning． ②Now he is still busy writing his new book，but I have no idea when it will come out． ③当谈到我最喜欢的季节时，我马上会想到夏天。 When it comes to the season I like best，summer will always occur to me in no time． 2．contact v．& n．联系，联络 get in contact with＝make contact with 与……取得联系 keep in contact with 与……保持联系 lose contact with 与……失去联系 be in/out of contact with 与……有/没有联系 [即学即练]———单句语法填空/完成句子 ①You'd better get in contact with him as soon as possible． ②During the war many people lost contact with their relatives． ③现在我们的大部分同学都是通过社交媒体保持联系的。 Now most of our classmates keep in contact through social media． 3．likely adj．可能的，可能发生的 adv．很可能 be likely to do sth． 很可能做某事 It is likely that... 很可能…… not likely 绝不可能；绝对不会 [即学即练]———单句语法填空/一句多译 ①We are likely to make(make) mistakes when we are absent-minded． ②It is not likely that he will come at this time of the day． ③如果一个人面试时迟到，他/她就不可能得到这份工作。 a．If one is late for a job interview，he/she is not likely to get the job． b．If one is late for a job interview，it is not likely that he/she will get the job． 4．addition n．增加物，添加物；增加，添加 (1)in addition 除此之外，另外 in addition to 除……之外(还) (2)add v． 加；增加；补充说 add to 增加；增添 add up 把……加起来 add up to 总共是；总计为 add (that)... 补充说/继续说…… [即学即练]———单句语法填空/完成句子 ①In addition，we should learn how to get along well with others． ②Perhaps you think you could easily add to your happiness with more money． ③Add up all the money you've received this month，and you will find you can afford a new computer． ④除学习外，我还参与了很多社会活动。 In addition to studies，I got involved in lots of social activities． P22 1．change the part of speech 改变词性 2．a bit scary 有点儿可怕 3．make great improvement 取得很大进步 4．the other way round 颠倒，相反 5．be made up of 由……组成/构成 6．be referred to as 被称为 7．be short for 是……的简称/缩写 P23 1．come up with 想出，提出 2．as many words as possible 尽可能多的单词 P24 1．in common international use 国际通用 2．be different from 与……不同 3．in several ways 在几个方面 4．not as confusing as it seems 并不像看上去那么难懂 5．stop them having a friendly argument 阻止他们进行友好的辩论 6．a photograph that you take of yourself 自拍照 P25 1．care about others 关心他人 2．if necessary 如果必要的话 英语构词法主要有四种：合成法、派生法、转化法和缩略法。 一、合成法 合成法就是将两个或两个以上的词合成一个新词的构词方法。有的直接写在一起，有的用连词符号“-”连接，还有的由分 ... ...
