Unit5 How are the seasons different？ Extend（讲义）-2025-2026学年沪教版英语四年级上册

Unit 5 How are the seasons different? ⭐Extend知识点清单 一、核心词汇 1. 四季与自然 · apple tree（苹果树） · flower（花）、honeybee（蜜蜂）、apple（苹果）、leaf（叶子，复数 leaves） · snow（雪）、snowman（雪人） 2. 动作与状态 · grow（生长）、build（建造）、watch（观察）、make（制作） · look for（寻找）、have（有）、no（没有） 3. 形容词 · big（大的）、red（红色的）、lots of（许多） 二、核心句型 1. 四季总起与苹果树变化主线 · My name is Arnold. I have an apple tree. （我叫阿诺德，我有一棵苹果树。） · It's spring.（春天到了。） There are lots of flowers on my apple tree. Honeybees look for food. · It's summer.（夏天到了。） I build a tree house in my apple tree. I watch small apples grow. · It's autumn.（秋天到了。） My apple tree now has big, red apples. My family and I make apple pies. · It's winter.（冬天到了。） There is lots of snow. I make a snowman. There are no leaves on the apple tree now. 2. 单元大问题呼应 · How are the seasons different?（季节有什么不同？） 参考回答：The apple tree changes in different seasons. It has flowers in spring, grows apples in summer, has red apples in autumn, and has no leaves in winter. 3. 拓展思考句型 · Do you like Arnold's apple tree? Why or why not? （你喜欢阿诺德的苹果树吗？为什么喜欢 / 为什么不喜欢？） 参考回答：I like it, because I can see the tree change in four seasons. I can pick apples in autumn. 三、语法知识点 1. 一般现在时（描述客观事实 / 季节变化） · 主语为第三人称单数时，动词变 -s/-es： grow → grows, build → builds, watch → watches, make → makes, have → has 例：The tree has big red apples in autumn. / He builds a tree house in summer. 2. There be 句型（描述存在） · There are + 复数名词：There are lots of flowers. · There is + 不可数名词 / 单数名词：There is lots of snow. · There are no + 复数名词：There are no leaves on the tree.（树上没有叶子） 3. 介词 in 的用法（季节） · in + 季节：in spring /in summer /in autumn /in winter 例：I build a tree house in summer. / I make a snowman in winter. 4. 名词单复数 · leaf → leaves（叶子，复数变化） · apple → apples（苹果，复数） · honeybee → honeybees（蜜蜂，复数） ⭐Extend同步练 一、选词填空（每空 3 分，共 30 分） 从方框中选择合适的单词，补全句子，每词限用一次。 spring, summer, autumn, winter, flowers, apples, leaves, snow, grow, make 1. Arnold has an apple tree. In ______, there are lots of ______ on the tree. 2. In ______, he builds a tree house. He watches small apples ______. 3. In ______, the tree has big, red ______. His family ______ apple pies. 4. In ______, there is lots of ______. There are no ______ on the tree now. 二、单项选择（每题 4 分，共 20 分） ( ) 1. It's spring. There ______ lots of flowers on the tree. A. is B. are C. am ( ) 2. In summer, Arnold ______ a tree house. A. build B. builds C. building ( ) 3. There ______ no leaves on the tree in winter. A. is B. are C. am ( ) 4. —What's autumn like? —______ A. The tree has big red apples. B. The tree has flowers. C. It snows. ( ) 5. I make a snowman ______ winter. A. in B. on C. at 三、情景交际（每题 5 分，共 20 分） 从方框中选择合适的句子，补全对话，每句限用一次。 A. I watch small apples grow. B. There are lots of flowers. Honeybees look for food. C. I make a snowman. D. We make apple pies. 1. —What's spring like for Arnold's apple tree? —______ 2. —What do you do in summer? —______ 3. —What do you do in autumn? —______ 4. —What do you do in winter? —______ 四、课文填空（每空 3 分，共 33 分） 根据课文内容，补全短文，每空一词。 My name is Arnold. I have an apple ______. It's spring. There are lots of ______ on the tree. ______ look for food. It's summer. I ______ a tree house. I watch small apples ______. It's autumn. The tree has big, red ______. My family and I ______ apple pies. It's winter. There is lots of ______. I ______ a snowman. There are no ______ on the tree now. The seasons are different, and the apple tree ______ in each season. 参考答案 一、选词填空（每空 3 分，共 30 分） 1. spring; flowers 2. summer; grow 3. autumn; apples; make 4. winter; snow; leaves 二、单项选择（每题 4 分，共 20 分） 1. B 2. B 3. B 4. A 5. A 三、情景交际（每题 5 分，共 20 分） 1. B 2. A 3. D 4. C 四、课文填空（每空 3 分，共 33 分） 1. tree 2. flowers 3. Honeybees 4. build 5. grow 6. apples 7. make 8. snow 9. make 10. leaves 11. changes 学科网（北京）股份有限公司 $