Unit 1 The Changing World重点知识点 · 易错专项练习 2026-2027学年人教版九年级英语上册

最新人教版 九年级上册Unit 1 The Changing World

重点知识点 · 易错专项练习

 

【Unit 1 重点单词与短语一览】

◇ ★ 重点词汇：

  change 改变　develop 发展　improve 改善　increase 增加
  reduce 减少　pollute 污染　protect 保护　save 节省；拯救
  energy 能源　environment 环境　population 人口
  technology 技术　communication 交流
  afford 负担得起　provide 提供

◇ ★ 重点短语：

  over the years 多年来
  take place 发生
  hundreds of 成百上千的
  make a difference 有影响；起作用
  deal with 处理；应付
  cut down 减少；砍伐
  instead of 代替；而不是
  lead to 导致
  as a result 结果
  play a part in 在……中起作用

◇ ★ 核心语法要点：

  ① 现在完成时（have/has + 过去分词）
  ② since 和 for 引导的时间状语
  ③ 非谓语动词作主语（动名词/不定式）
  ④ 宾语从句（that/if/whether 引导）
  ⑤ 被动语态（am/is/are + 过去分词）
  ⑥ 情态动词表推测（must/might/could/may/can't）
  ⑦ 形容词比较级和最高级
  ⑧ 词汇辨析（change/improve/increase/reduce）
  ⑨ 短语搭配（make a difference/deal with/lead to）
  ⑩ 单元话题写作：环保与社会发展

 

【单元重点易错专项练习】

 

考点一：重点词汇——change/develop/improve/increase/reduce/pollute/protect/save

▷ 基础题：

    1. (    ) "改善我们的环境" 应翻译为：
    A. change our environment
    B. improve our environment
    C. increase our environment
    D. reduce our environment

    2. Fill in: We should ____ (protect) the Earth.

▷ 提升题：

    1. (    ) Which means "负担得起"?
    A. provide   B. afford   C. save   D. develop

    2. 改错：The population are increasing quickly.
    错误：__________  改正：__________

 

考点二：重点短语——over the years/take place/hundreds of/make a difference/deal with

▷ 基础题：

    1. (    ) "多年来，科技发展迅速" 应翻译为：
    A. Technology develops quickly over the years.
    B. Technology develops quickly for years.
    C. Technology develops quickly since years.
    D. Technology developed quickly over the years.

    2. Fill in: Every one of us can ____ (make) a difference.

▷ 提升题：

    1. (    ) Which is correct?
    A. Hundreds of students is coming.
    B. Hundreds of students are coming.
    C. Hundred of students are coming.
    D. Hundreds students are coming.

    2. 改错：We should deal the problem.
    错误：__________  改正：__________

 

考点三：现在完成时（have/has + 过去分词）

▷ 基础题：

    1. (    ) "我们已经学了很多单词" 应翻译为：
    A. We learn many words.
    B. We learned many words.
    C. We have learned many words.
    D. We had learned many words.

    2. Fill in: She ____ (has) finished her homework.

▷ 提升题：

    1. (    ) Which is correct?
    A. They has seen the film.
    B. They have saw the film.
    C. They have seen the film.
    D. They have see the film.

    2. 改错：I have went to Beijing twice.
    错误：__________  改正：__________

 

考点四：since 和 for 引导的时间状语

▷ 基础题：

    1. (    ) "我爷爷已经去世三年了" 应翻译为：
    A. My grandpa has been dead for three years.
    B. My grandpa has died for three years.
    C. My grandpa has been dead since three years.
    D. My grandpa died for three years.

    2. Fill in: I have lived here ____ (since) 2010.

▷ 提升题：

    1. (    ) Which is correct?
    A. He has worked here since five years.
    B. He has worked here for five years.
    C. He works here for five years.
    D. He worked here for five years.