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Unit 1 The Changing World
1.、afford 常与can, could 或 be able to 连用,尤其用于否定句或疑问句,表“负担得起(做)某事;抽得出(时间)” “(can’t/ couldn’t) afford (to do) sth.” We can’t afford (to buy ) this house because we don’t have enough money.
2、 search sp. for sth. 搜查某地寻找某物
search sb. for sth. 搜身查找某物
search for sth./ sb.= look for sth./ sb. 搜寻某物/ 某人; 如:
The villagers searched the woods for the lost children.村民们在树林里寻找失踪的孩子们。
The police searched the man for the stolen money. 警察搜那个男人的身,查找被偷的钱。
He is searching/ looking for his missing keys. 他在寻找他丢的钥匙。
3、used to be/ do… 过去曾是/常做……
be used to do sth. = be used for doing sth. 被用来做某事 (被动)
be/ get used to (doing ) sth. 习惯于(做)某事; 如:
I used to be a Chinese teacher. 我过去曾是一名语文老师。
I used to swim in this river. 我过去常在这条河中游泳。
Knives are used to cut things.= knives are used for cutting things. 刀子被用砍东西。
We are used to getting up earlier now. 现在我们习惯于早起。
4、elder brother 哥哥
elder 作形容词时, 是old的比较级, 一般表示家庭成员出生的顺序,在句中只能作定语,可与than连用; 而older表年龄的比较,可与 than连用. 如:
His elder sister is two years older than he. 他的姐姐比他大两岁.
5、China has made such rapid progress. 中国已经取得如此迅速的进步。
progress 为不可数名词 make progress 取得进步
make some/ much/ great progress 取得一些/ 许多/ 巨大的进步
6、What has happened to Beijing’s roads now? 现在北京的公路发生了什么变化?
sth. happen to sb. 某人发生了某事 , 如:
If anything happens to him, let me know. 万一他有什么不测,就请通知我。
A little accident happened to her yesterday. 昨天她发生了点小意外。
7、hear from sb.=receive/ get a letter from sb. 收到某人的来信
8、---- I really hate to go shopping. ---- So do I . 我也是。
So do I .为倒装句,表示前面提到的肯定情况也同样适合另外一个主体,表“某某也一样”,结构为“so + be /情态动词/ 助动词 + 主语”。如:
Jim is a student, so is Tom. 吉姆是一名学生,汤姆也是。
Jim can swim, so can Tom. 吉姆会游泳,汤姆也会。
Jim likes sports, so does Tom. 吉姆喜欢运动,汤姆也喜欢。
如表前面不怎样,后面“也不”怎样时,其结构为“ neither/ nor + be /情态动词/ 助动词 + 主语”。 Jim wasn’t Chinese, neither/ nor were they. 吉姆不中国人,他们也不是。
Jim can’t speak Japanese, neither can I . 吉姆不会说日语,我也不会。
Jim didn’t go there, neither did I . 。
如前后两句表达的是同一个主体,则不能倒装,表“的确如此”。如:
Jim is a good student. So he is. 吉姆是一名好学生,的确如此。
Jim swims well. So he does. 吉姆游泳很好,的确如此。
9、population为不可数名词,表示人口的多少只能用 “large”或 “small”修饰,提问人口用“what”,
The population of Shanghai is larger than that of Beijing. 上海的人口比北京多。
What’s the population of China?= How many people are there in China?
10.、Great changes have taken place in China. 中国发生了巨大变化。
take place 指必然性的“发生”或有计划、安排之内的“举行”。如:
The meeting will take place next Friday. 会议将在下周五举行。
happen 指偶然的、没有预料的“发生“,其结果往往给人带来不幸或麻烦。如:
The accident happened yesterday. 事故发生在昨天。 ※两者都不用于被动语态。
11. The population has increased a lot. 人口增长发很多。
increase 可作及物动词也可作不及物动词。其含义是“增长,增加,加强”等。
increase by… 指“增加了……”; increase to…指 “增加到……”
12、and about one fifth of the people in the world live in China.
英文分数表达法:分子为基数词,分母为序数词当分子大于1时,分母的序数词则变为复数one fourth 四分之一;three fourths/ quarters 四分之三; one second 二分之一; two thirds 三分之二
13、It has worked well in controlling China’s population.
它在控制人口数量方面取得了显著的功效。
work well in doing sth. 表“在……方面很有功效”, 如:
Doing eye exercises works well in protecting our eyesight. 做眼保健操在保护视力方面很有功效。
14、 Because of our large population, we are short of energy and water.
be short of…表 “缺乏”, She is always short of money at the end of every month. 每个月底她总缺钱。
be short for… 表“是……的缩写”, 如: TV is short for television. TV是television的缩写形式.
15、 Can all Chinese families offer their children a good education?
offer 表“(主动)给予,提供 offer sb. sth. “提供某人某物” 如:
I offered him a glass of wine. 我敬了他一杯酒。
offer to do sth. “(主动)提出做某事” 如:
She offered to cook for her mother. 她提出帮她妈妈煮饭。
16、 I can’t go shopping in big stores unless I travel for a couple of hours.
我得花几个小时,才能到大的商场购物。
a) unless = if not 表“除非…; 如果不”,引导条件状语从句。如:
I won’t go unless I hear from you. = I won’t go if I don’t hear from you.
Unless Bill studies hard, he’ll fail in the exam. 如果比尔不努力, 他不会通过考试的.
17、 a couple of… 表 “几个人或几件事”, 如:
a couple of years ago 几年前; a couple of students 几个学生
couple 指任何两件同类的东西; 如:
a couple of watches 两只手表; five couples of cats 五对猫
pair 指两件不可分开使用的东西,它们可指两件互不相连的东西(鞋子、袜子等),也可指两部分构成的一件东西(裤子、剪刀等)。
如: a pair of shoes 一双鞋子 a pair of pants 一条裤子
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