Unit 5 The power of plants核心知识点讲练 2026-2027学年外研版英语七年级上册
Unit 5 The power of plants｜核心知识点精讲
2026-2027学年外研版（2024）英语七年级上册
一、核心单词精讲（14 词）
1 leaf /liːf/ n. 叶，叶子
易错：复数为 leaves（f 变 v 加 -es）。
课本句：Then workers in the Leaf will mix water, CO2 and sunlight.（P97）
2 collect /kəˈlekt/ v. 收集，采集；使集中
搭配：collect stamps 集邮。
课本句：They collect sunlight and CO2 during the day.（P97）
3 mix /mɪks/ v. （使）混合，拌和
搭配：mix ... with ... 把……和……混合。
课本句：Then workers in the Leaf will mix water, CO2 and sunlight.（P97）
4 oxygen /ˈɒksɪdʒən/ n. 氧，氧气
易错：不可数名词。
课本句：Another product will be oxygen, but the plant doesn’t need much of it.（P97）
5 natural /ˈnætʃərəl/ adj. 自然的，天然的
词形：nature n. 自然 → natural adj.。
课本句：Without plants, the natural world would be very different!（P97）
6 dark /dɑːk/ adj. 昏暗的；黑暗的
常用语：get dark 天变黑。
课本句：Soon it’s going to get dark.（P97）
7 breathe /briːð/ v. 呼吸
辨析：breathe 动词 /briːð/；breath 名词 /breθ/。
课本句：It means a lot to animals and humans, though – they need it to breathe!（P97）
8 enter /ˈentə/ v. 进入
易错：enter 本身含有“进入”之意，后面不加 into。
课本句：Sunlight and CO2 enter the Leaf.（P98）
9 grow /ɡrəʊ/ v. 生长
易错：grow–grew–grown 不规则变化。
课本句：Plants grow well in warm places.（P99）
10 influence /ˈɪnfluəns/ v. 影响，对……起作用
词性：也可作名词 have an influence on 对……有影响。
课本句：Plants influence the climate.（P99）
11 climate /ˈklaɪmət/ n. 气候
辨析：climate 指一个地区长期的气候；weather 指某天的天气。
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课本句：Plants influence the climate.（P99）
12 key /kiː/ adj. 至关重要的；关键的
搭配：a key part 关键部分；key words 关键词。
课本句：Tea is a key part of life there.（P104）
13 popular /ˈpɒpjələ/ adj. 受大众喜爱的，受欢迎的
搭配：be popular with 受……的欢迎。
课本句：Tea is popular in many countries.（P104）
14 connect /kəˈnekt/ v. 联结，连接
词形：connect → connection n. 联系。
课本句：It’s our way of connecting.（P105）
二、高频短语标注表
短语 | 释义 | 用法与教材原句 |
quarter past seven | 七点一刻 | It’s quarter past seven. |
start work | 开始工作 | He’s going to start work in the plant. |
collect sunlight and CO2 | 收集阳光和二氧化碳 | They collect sunlight and CO2 during the day. |
send up water | 把水送上来 | Now workers from the Root send up water. |
rise up to the Leaf | 上升到叶子 | The water will rise up to the Leaf through the Stem. |
through the Stem | 通过茎 | The water will rise up to the Leaf through the Stem. |
mix water, CO2 and sunlight | 把水、二氧化碳和阳光混合 | Then workers in the Leaf will mix water, CO2 and sunlight. |
be useful for | 对……有用 | It’s useful for the growth of the plant. |
mean a lot to | 对……意义重大 | It means a lot to animals and humans, though. |
need it to breathe | 需要它来呼吸 | They need it to breathe! |
take a rest | 休息一下 | They will take a rest. |
without plants | 没有植物 | Without plants, the natural world would be very different! |
as many ... as | 和……一样多 | In Chengdu, we have as many teahouses as leaves in a cup of tea! |
used to take me to the teahouse | 曾经带我去茶馆 | Grandpa used to take me to the teahouse. |
share their news | 分享他们的消息 | He and his friends drank tea and shared their news. |
study abroad | 在国外读书 | Now I study abroad. |
prefer coffee | 更喜欢咖啡 | Most of my classmates prefer coffee. |
more than a drink | 不只是一种饮品 | It’s more than a drink for me. |
it’s no secret that | ……不是秘密 | It’s no secret that Brits love afternoon tea. |
三、重点句型精讲（4 个）
句型 1｜be going to 表示打算或即将发生
结构：主语 + am / is / are going to + 动词原形
课本句：He’s going to start work in the plant.
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课本句：What are they going to produce?
易错：going to 后面接动词原形；疑问句把 be 动词提前。
仿写：我打算学做饭。→ I’m going to learn cooking.
句型 2｜will 表示将来
结构：主语 + will + 动词原形（不随人称变化）
课本句：The water will rise up to the Leaf through the Stem.
课本句：They will take a rest.
易错：否定式 won’t；特殊疑问句结构为“疑问词 + will + 主语 + 谓语”，如 When will you come?
仿写：明天会下雨吗？→ Will it rain tomorrow?
句型 3｜as many + 复数名词 + as（和……一样多）
结构：as many + 可数名词复数 + as
课本句：In Chengdu, we have as many teahouses as leaves in a cup of tea!
易错：many 修饰可数名词复数；修饰不可数名词时用 as much ... as。
仿写：图书馆的书和这里一样多。→ The library has as many books as this one.
句型 4｜make + 宾语 + 动词原形
结构：主语 + make(s) + 宾语 + 动词原形（省略 to）
课本句：A cup of warm tea always makes me feel like I’m back home.
易错：make 后面的省 to 不定式表示“使某人做某事”；feel like 后面接从句。
仿写：这首歌让我想起了家乡。→ This song makes me think of my hometown.
四、巩固练习
一、短语汉译英（15 小题）
1. 开始工作 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
2. 在国外读书 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
3. 更喜欢咖啡 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
4. 下午茶 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
5. 休息一下 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
6. 通过茎 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
7. 七点一刻 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
8. 数以百万计的植物 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
9. 不只是一种饮品 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
10. 需要它来呼吸 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
11. 我们联结感情的方式 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
12. 把水和阳光混合 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
13. 收集阳光和二氧化碳 ＿＿＿＿＿＿＿＿＿＿＿＿＿＿
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