Unit 6 Live green核心知识点讲练2026-2027学年外研版英语九年级上册
Unit 6 Live green｜核心知识点精讲
2026-2027学年外研版（2024）英语九年级上册
一、核心单词精讲（14 词）
1 consider /kənˈsɪdə(r)/ v. 认为
搭配：be considered 被认为；consider doing sth. 考虑做某事。
课本句：When plastic was invented around the 1860s, it was considered an amazing material.（P84）
2 material /məˈtɪəriəl/ n. 材料
常用语：natural materials 天然材料。
课本句：When plastic was invented around the 1860s, it was considered an amazing material.（P84）
3 shape /ʃeɪp/ v. 使成为某种形状，使成形
一词多义：还可作名词，指“形状”。
课本句：It was light, easy to shape, long-lasting and cheap.（P84）
4 cheap /tʃiːp/ adj. 便宜的，廉价的
反义：expensive 昂贵的。
课本句：It was light, easy to shape, long-lasting and cheap.（P84）
5 environmental /ɪnˌvaɪrənˈmentl/ adj. 自然环境的，生态环境的
词形：environment n. 环境 → environmental adj.。
课本句：Back then, some people even saw plastic as an “environmental hero”.（P84）
6 former /ˈfɔːmə(r)/ adj. 以前的，从前的
搭配：the former... the latter... 前者……后者……。
课本句：The former “hero” kills more than 100,000 sea animals every year.（P85）
7 wing /wɪŋ/ n. 翅膀，翼
常用语：Birds’ wings 鸟的翅膀。
课本句：Birds’ wings get tied in plastic lines.（P85）
8 tie /taɪ/ v. 系，扎，拴，捆
一词多义：还可作名词，指“领带；联系”。
课本句：Birds’ wings get tied in plastic lines.（P85）
9 stuck /stʌk/ adj. 卡住的，无法移动的
搭配：get stuck 被卡住；stick–stuck–stuck。
课本句：Bears’ heads get stuck in plastic bins.（P85）
10 average /ˈævərɪdʒ/ n. 平均数
搭配：on average 平均来看。
课本句：On average, we eat five grams of plastic a week.（P85）
11 gram /ɡræm/ n. 克（重量单位）
常用语：five grams of plastic 五克塑料。
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课本句：On average, we eat five grams of plastic a week.（P85）
12 wisely /ˈwaɪzli/ adv. 明智地
词形：wise adj. 明智的 → wisely adv.。
课本句：We must think clearly and use plastic wisely.（P85）
13 fox /fɒks/ n. 狐狸
易错：复数 foxes。
课本句：“Maybe it’s a fox’s hole,” a woman said.（P92）
14 peace /piːs/ n. 和平；平静，安宁
搭配：peace of mind 心安；in peace 安宁地。
课本句：The hole gave peace of mind to everyone.（P93）
二、高频短语标注表
短语 | 释义 | 用法与教材原句 |
an amazing material | 一种神奇的材料 | When plastic was invented around the 1860s, it was considered an amazing material. |
easy to shape | 易于成形 | It was light, easy to shape, long-lasting and cheap. |
make life better | 让生活更好 | Many people believed plastic would make life better. |
environmental hero | 环保英雄 | Back then, some people even saw plastic as an “environmental hero”. |
you name it | 应有尽有 | We can find it in bags, bottles, toothbrushes, gloves, mobile phones, cars, houses... you name it. |
thousands of uses | 成千上万种用途 | It is certainly convenient and has thousands of uses. |
dark side | 黑暗的一面 | Despite all this, it has slowly and quietly shown its dark side. |
a danger to sea animals | 对海洋动物的威胁 | Since then, it has become a danger to sea animals. |
by mistake | 错误地 | Some animals, such as whales, eat it by mistake and die. |
on average | 平均来看 | On average, we eat five grams of plastic a week. |
free from | 不受……侵害 | On “Planet Plastic”, there is no place free from this. |
deal with | 处理 | Plastic waste is hard to deal with. |
break down | 分解 | It may take hundreds of years to break down. |
air pollution | 空气污染 | Burning it also produces thick smoke that causes air pollution. |
a hole in the ground | 地上的一个洞 | While the villagers were discussing what to do, they found a hole in the ground. |
fill it in | 把它填平 | “Let me have that hole. I’ll fill it in for you,” offered a businessman. |
from far and wide | 从四面八方 | Trucks full of industrial waste came from far and wide. |
no matter what | 无论什么 | No matter what dirty things people threw into it, the hole took them all. |
peace of mind | 心安 | The hole gave peace of mind to everyone. |
三、重点句型精讲（4 个）
句型 1｜构词法（1）：派生
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结构：在词根上加前缀或后缀构成新词，如 pollute→pollution, certain→certainly, use→useless
课本句：Burning it also produces thick smoke that causes air pollution.
课本句：It is certainly convenient and has thousands of uses.
提示：动词加 -tion/-ment 变名词，形容词加 -ly 变副词。
仿写：write → writer 作者；care → careful 仔细的。
句型 2｜构词法（2）：合成
结构：两个词合成一个新词，如 tooth + brush → toothbrush, hole + filling → hole-filling
课本句：It was light, easy to shape, long-lasting and cheap.
课本句：The businessman started a hole-filling company.
提示：有的合成词用连字符，如 long-lasting。
仿写：black + board → blackboard 黑板。
句型 3｜构词法（3）：转化
结构：词形不变，词性改变，如 land n. 陆地 → land v. 降落；shape n. 形状 → shape v. 塑形
课本句：He couldn’t hear it land.
课本句：It was light, easy to shape, long-lasting and cheap.
提示：判断词性要看它在句中的位置和作用。
仿写：Please hand in your homework.（hand 由名词转为动词）
句型 4｜No matter what 引导让步状语从句
结构：No matter what + 主语 + 谓语, 主句，意为“无论什么”
课本句：No matter what dirty things people threw into it, the hole took them all.
提示：从句用正常语序。
仿写：无论他说什么，我都不信。→ No matter what he says, I won’t believe him.
四、巩固练习
一、短语汉译英（15 小题）
1. 捡起 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
2. 填平 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
3. 黑暗的一面 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
4. 处理 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
5. 错误地 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
6. 平均来看 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
7. 分解 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
8. 空气污染 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
9. 应有尽有 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
10. 易于成形 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
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