内容正文:
人教版三年级英语上册新版 Unit 4 Plants around us 知识清单
一、 核心词汇
1. 常见植物类
flower, tree, grass, leaf, seed, root, stem, sunflower, rose, lotus
2. 植物特征类
red, yellow, pink, green, beautiful, small, big, tall, short, soft
3. 动作行为类
grow, see, look, water, plant, pick, smell, like
4. 其他相关类
garden, park, soil, water, sun, rain
二、 重点句型
1. 辨认植物
- This is a flower
- That is a big tree
- These are green leaves
- Those are small seeds
2. 描述植物特征
- The flower is red and beautiful
- The grass is green and soft
- The tree is tall and strong
- The leaves are small
3. 表达喜好与动作
- I like the sunflower
- I can smell the rose
- We water the plants every day
- Let’s plant a tree
三、 语音知识
1. 字母发音:本单元重点掌握字母 Pp, Qq, Rr, Ss, Tt 的发音及对应例词
Pp: /piː/ (plant, pink, pen)
Qq: /kjuː/ (queen, quilt, quick)
Rr: /ɑː(r)/ (rose, root, red)
Ss: /es/ (seed, sun, small)
Tt: /tiː/ (tree, tall, ten)
2. 发音技巧:注意字母 Rr 的卷舌发音,区分 /ɑː(r)/ 与其他元音的不同读法
四、 语法要点
1. 名词单复数:规则变化直接加 -s,例 flower → flowers, leaf → leaves(不规则)
例:This is a leaf These are leaves
2. 形容词的用法:形容词修饰名词,放在名词前,例 red flower, tall tree
例:The green grass is soft
3. 祈使句拓展:Let’s 后接动词原形,表示提议一起做某事
例:Let’s water the flowers Let’s look at the tree
4. 情态动词 can:后接动词原形,表示“能够做某事”
例:I can smell the rose I can see a bird in the tree
五、 情景交际运用
1. 在公园谈论植物
完整对话示例:
A: Look! What is that
B: It is a sunflower
A: What colour is it
B: It is yellow. It is very big
A: Do you like it
B: Yes, I do. Let’s take a look at it together
2. 谈论种植植物
例:A: How do we grow a flower
B: First, we plant a seed in the soil
A: Then what do we do
B: Then we water it every day. It will grow into a flower
六、 易错点提醒
1. 区分名词单复数:注意 leaf → leaves 这类不规则变化,不要误写成 leafs
2. 形容词位置易错点:形容词要放在名词前面修饰,不能放在名词后面
3. Let’s 用法易错点:Let’s 后面必须接动词原形,不能加 to
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