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初三重点单词有哪些常见用法?

高频动词用法

  1. achieve

    初三重点单词有哪些常见用法?-图1

    • 释义:达成(目标)、取得(成就)
    • 搭配:achieve success(取得成功)、achieve a goal(实现目标)
    • 例句:With hard work, you can achieve high grades in the exam.
  2. affect

    • 释义:影响(通常指负面)
    • 辨析:与“effect”(名词,效果)区分
    • 例句:Lack of sleep may affect your concentration.
  3. consider

    • 释义:考虑、认为
    • 用法:consider doing sth.(考虑做某事)
    • 例句:He is considering studying abroad.

易混淆形容词与副词

  1. good vs. well

    • good(形容词):修饰名词,如a good student。
    • well(副词):修饰动词,如She sings well。
  2. interested vs. interesting

    • interested(形容人):I am interested in science.
    • interesting(形容物):This book is interesting.
  3. few vs. little

    • few + 可数名词:few students(几乎没有学生)。
    • little + 不可数名词:little water(几乎没有水)。

核心短语与固定搭配

  1. be used to

    初三重点单词有哪些常见用法?-图2

    • 释义:习惯于(后接名词或动名词)
    • 例句:She is used to getting up early.
  2. give up

    • 释义:放弃(后接名词或动名词)
    • 例句:Never give up trying.
  3. look forward to

    • 释义:期待(to为介词,后接名词或动名词)
    • 例句:I look forward to your reply.

常考介词用法

  1. in/on/at(时间)

    • in:泛指长时间(in July, in 2024)。
    • on:具体某天(on Monday, on Christmas Day)。
    • at:具体时刻(at 7:00, at noon)。
  2. between/among

    • between:两者之间(between you and me)。
    • among:三者或以上(among the team members)。
  3. by/with

    • by:通过方式(by bus, by working hard)。
    • with:使用工具(with a pen, with my hands)。

重点连词与从句引导词

  1. although/though

    初三重点单词有哪些常见用法?-图3

    用法:不与but连用,如Although it rained, we went out.

  2. unless

    • 释义:除非(=if not)
    • 例句:You will fail unless you study harder.
  3. so that

    • 释义:为了(表目的)
    • 例句:He saved money so that he could buy a gift.

实用写作词汇

  1. Firstly, Secondly, Finally

    用于议论文分点论述,提升逻辑性。

  2. In my opinion

    初三重点单词有哪些常见用法?-图4

    替换“I think”,使表达更正式。

  3. For example

    举例时用,可缩写为“e.g.”(正式文体慎用)。

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