Unit 6 知识点-Understanding ideas-Grammar练习 2026-2027学年外研版九年级英语上册

**基本信息** 九年级英语上册Unit6同步练以“小试牛刀-配套练习-拓展思考”分层，通过词汇变形→规则应用→创新表达的路径巩固构词法，适配新授课基础巩固与能力提升，发展语言能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |小试牛刀|单词适当形式、前缀后缀变形|单句填空，聚焦基础词汇转换（如pollute→pollution）| |配套练习|构词规则（前缀含义、复合词、词性转换）、语篇应用|单选考规则理解（如un-含义），短文填空综合词汇与语境（如environmentally friendly）| |拓展思考|构词法创新应用|自主造词造句，培养语言创造能力（如recycle→We should recycle plastic bottles）|

九年级英语上册Unit6知识点-Understanding ideas-Grammar练习 小试牛刀 A. 根据句意，用括号内单词的适当形式填空。 1. The factory's __________ (pollute) is causing harm to the environment. 2. The water is polluted. It is __________ (safe) for drinking. 3. Electronic __________ (waste) is also __________ (harm) to the environment. 4. The __________ (burn) of oil for energy is one of the main causes of greenhouse gases. 5. We should take __________ (environment) actions to protect our planet. B. 将下列单词加上合适的前缀或后缀，变成新词填空。 | able | friend | difficulty | cause | heat | 1. People were __________ to see their own feet during the heavy fog. 2. They even had __________ breathing because of the thick smoke. 3. The event was __________ by a mix of cold weather and coal burning. 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. The word “unable” is formed by adding the prefix “un-” to “able”. “Un-” means ______. A. 不，相反 B. 再次 C. 在……之前 D. 错误地 2. Which word is a compound word (复合词)? A. Pollution. B. Greenhouse. C. Difficult. D. Environmental. 3. The noun form of “pollute” is ______. A. pollute B. polluting C. pollution D. polluted 4. The word “friendly” is formed by adding “-ly” to “friend”. “-ly” often changes a noun into ______. A. a verb B. an adjective C. an adverb D. a noun 5. The opposite of “able” is “______”. A. disable B. unable C. enable D. ability B. 完成短文（★★） 用方框中单词的正确形式填空。你可能需要将两个单词组合成一个新词。 | able | pollute | difficult | environment | heat | friend | cause | remind | London Fog With the development of industry, heavy air __________ happened in London, the UK capital, in 1952. The city was covered by dirty fog for five days. People could just see a few metres away. In some parts of London, people were __________ to see their own feet. They even had __________ breathing. The event was __________ by a mix of cold weather, lots of water in the air, and the burning of coal for __________. It made the UK government introduce the Clean Air Act 1956 to reduce air pollution. The event is one of the worst air pollution disasters in history. What's more, it is also a(n) __________ of the importance of protecting people’s health from air pollution. It drove people to take more __________ actions. 拓展思考 用本课学到的构词法（前缀、后缀、复合词）写出5个新词，并分别造句。例如：unhappy → I feel unhappy when the weather is bad. / reheat → You can reheat the soup in the microwave. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案与解析 小试牛刀 A 1. pollution 2. unsafe 3. waste; harmful 4. burning 5. environmental 小试牛刀 B 1. unable 2. difficulty 3. caused 配套练习 A 1. A 2. B 3. C 4. B 5. B 配套练习 B 1. pollution 2. unable 3. difficulty 4. caused 5. heating 6. reminder 7. environmentally friendly 拓展思考（示例） 1. disagree → I disagree with cutting down trees. 2. recycle → We should recycle plastic bottles. 3. reusable → Use reusable bags instead of plastic ones. 4. deforestation → Deforestation harms the homes of many animals. 5. overheat → Don’t overheat the oil when cooking. 学生可自由发挥。 1 学科网（北京）股份有限公司 $