牛津译林版七年级英语下册7B Unit2重要知识点总结+巩固练习

4. helpful adj. 给予帮助的，有益的；愿意帮忙的 help v. n. 帮助

help sb (to) do sth. 帮助某人做某事 help sb with sth. 在某事上帮助某人 helpless adj. 无助的，不能自立的 【例】 Exercise is helpful for health.

The following information may be helpful to readers. [拓展]help oneself to sth. 随意（吃，用）

with the help of 在……的帮助下

5. check vt.检查, 核实 n.<美>支票

【例】 You’d better check the exam papers carefully before you turn it in. I would like to pay by check.

[拓展] check in （在旅馆、机场）登记，报到 check out 结账离开 check up 核对，检验 check on 检查

6. broken adj. 破碎的，打碎的；（腿，臂等）已骨折的 (也是动词break过去分词) 【例】The window is broken.

How can you mend a broken heart? 7.anyone [?eniw?n] pron. 任何人；任何一个 【例】I don't believe in anyone.

I won't tell anyone I saw you here Does anyone know where jack is? 【解析】anyone及any one

anyone常用来泛指，后不能接of短语作定语，但可用其它介词短语限制范围。并且只能用于人。

如：Is there anyone in the class?

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anyone不可与动词的否定形式连用。如果表示否定意义，则用no one(表示人)或者none(表示人和物)。

如：Anyone didn’t come here.(×) No one came here.(∨)

any one常用于特指，可以接of短语限制范围或者提供语境，既可以指人又可以指物。 如：May I choose any one of the books? 我可以在这些书中任选其一吗？ 8. lucky adj. 运气好的，侥幸的；兆头好的，吉祥的

luck n. 运气 luckily adv. 幸运地 good luck 好运气 a lucky dog 幸运儿 【例】Some people seem to be always lucky.

This is my lucky number.

9. elder n. 长者，长辈，前辈 adj. 年纪较大的；资格老的；老练的 【例】She is my elder sister.

She's the elder of the two. [拓展] elder及older

这两词都是形容词old的比较级，区别如下：

older指年龄的大小，既可用于一个家庭成员之间，又可用于非同一家庭成员之间，能作表语和定语，常与than连用。如：He is older than Jack. 他比杰克年长。

elder用于同一个家庭成员之间的比较。elder当形容词时，只能作定语，它不能和than连用。当名词时指职位、身份较高的人。 10. job n.（一件）工作；职责；职业 【例】What is your ideal job?

I have a job as a teacher. Thousands of people lost their jobs. [拓展] job及work

job指已做或要做的某种具体工作，是可数名词。Work通常指抽象意义上的工作，是不可数名词。如：The job needs three-year work experience in school. 这项工作需要有三年学校工作经验。

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11. person n. 人；

person指“人；个人”，是可数名词，有单、复数形式。

people指“人，人们”，是集体名词，无单数形式；作“民族，种族”解时，有单、复数形式。 【例】What kind of person would do a thing like that?

The price is $40 per person.

There were a lot of people /persons at the party. He doesn’t care what people think of him. There are more than fifty peoples in China. 12. sick adj. 恶心的；病的；不舒服的

feel sick 感到恶心 a sick boy 一位生病的孩子 the sick 病人（复数的概念） 【例】Mr King has a sick mother.

The smell made me sick. [拓展] sick及ill

两个词作形容词，都有“生病的”意思。其区别是：

ill当“生病”讲时通常只用作表语，不作定语，如不能说：ill man; 在指群体时也不能像某些形容词那样用。如：（the rich , the fat） the ill。如：

She can’t go to school because she is ill. 她不能上学了，因为她病了。

sick既可以作表语，也可以作定语，在指病人时可以用the sick， 美国英语习惯用这个 13. notice n. 通知；布告；预告

vt.通知；留心；注意到

【例】Here is a notice for you.

He noticed that she was reading the whole day. [拓展]：notice sb. do sth. 注意到某人做事的全过程；

notice sb. doing sth注意到某人正做某事。 重要句型

1. I’m afraid they won’t welcome visitors like you．

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（1）I’m afraid+从句 应翻译为恐怕，不能翻译成我害怕，通常不写成He’s afraid或She’s afraid

afraid的用法： be afraid of doing sth./sth.

①害怕做某事、不敢做某事=be afraid to do sth. 【例】Are you afraid of snakes?

Don't be afraid of asking for help. That little girl is afraid to go out alone.

②唯恐......

【例】 She closed the door very quietly, as she was afraid of wakening her baby.

(2) 句中like是介词，意为“像，相似’’，其反义词是unlike； 2. Most of them have 14 floors. most of意为“……中的大多数”，后面接可数名词复数作主语时，谓语动词用复数形式；也可接不可数名词，此时谓语动词用单数形式。 【例】Most of them are going to Guangzhou next week.

Most of the water is clean.

【注意】most of 后的名词是单数时，谓语动词也用单数形式。 【例】：Most of the apple is red.

3. Some college students are ready to help. 一些大学生乐于帮忙。 be ready to do sth. ①乐于做某事，愿意做某事=be willing to do sth. ②准备好要做某事

【例】She is kind and she is always ready to help people in need. The letter is ready for the post.

4. There’s something wrong with my computer． 我的电脑出故障了。

(1)此句包含句型：There is something wrong with…(某物出毛病了／坏了。)此句型的同义结构有：Something is wrong with．．．；

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