资源简介

中小学教育资源及组卷应用平台
Unit 3 Plants and Us分层作业（基础层+提高层+拓展层）
基础层（夯实基础，适合全体学生）
一、根据中文提示写单词（每小题1分，共5分）
卷心菜 ____________
木材；木料 ____________
药；药品 ____________
平衡 ____________
回收利用 ____________
二、用所给单词的适当形式填空（每小题2分，共10分）
Trees ______ (give) us fruit and wood. They are very useful.
My mother likes drinking ______ (flower) tea in the afternoon.
We should ______ (plant) more trees to keep the air clean.
Don't ______ (waste) paper. We can recycle it.
Plants help ______ (keep) the balance of nature.
三、单项选择（每小题2分，共10分）
Vegetables are healthy food. They come from different ______ of plants.
A. parts B. part C. a part
—What can flowers do for us
—They can ______ the air and make us happy.
A. clean B. dirty C. make
Trees are very important. We can't live well ______ them.
A. with B. without C. for
We ______ pick flowers in the park. It's not good.
A. should B. shouldn't C. can
It's our duty to ______ plants. They are our good friends.
A. protect B. hurt C. forget
四、根据短文内容判断正（T）误（F）（每小题2分，共10分）
Plants are our good friends. They give us food like fruits and vegetables. Potatoes, tomatoes and cabbages are all from plants. Plants also give us wood to make tables and paper. Trees can clean the air and keep the soil from washing away. We should love plants and not pick flowers.
Plants can give us food and wood. ( )
Potatoes and cabbages are fruits of plants. ( )
We can make paper from wood. ( )
Flowers are only beautiful and have no other uses. ( )
We should protect plants and not pick flowers. ( )
提高层（深化理解，适合中等水平学生）
一、英汉互译（每小题2分，共10分）
in short ____________
keep the balance of nature ____________
make friends with ____________
双面打印 ____________
净化空气 ____________
二、句型转换（每小题3分，共15分）
Plants can give us food and medicine.（改为否定句）
We should plant more grass.（改为一般疑问句）
Tomatoes are the fruit of the plant.（对划线部分提问）
Trees can clean the air.（改为同义句）
We shouldn't throw rubbish everywhere.（改为祈使句）
三、阅读理解（每小题2分，共10分）
Trees are very helpful in our daily lives. First, they provide us with many kinds of fruits, like apples, pears and peaches. These fruits are good for our health. Second, trees give us wood. People use wood to build houses, make furniture and paper. Third, the leaves of trees can absorb harmful gases and produce oxygen to clean the air. Fourth, trees' roots can keep the soil from washing away. We should plant more trees and take good care of them.
What fruits can we get from trees
A. Potatoes, tomatoes and cabbages. B. Apples, pears and peaches. C. Rice, wheat and corn.
What can we make with wood
A. Fruits and vegetables. B. Flower tea and cakes. C. Houses and furniture.
How do trees clean the air
A. By absorbing harmful gases and producing oxygen. B. By holding the soil tightly. C. By providing fruits and wood.
What do the roots of trees do
A. Produce oxygen. B. Keep the soil from washing away. C. Make food for the tree.
What should we do for trees
A. Cut down more trees. B. Plant more trees and take care of them. C. Step on the grass under trees.
四、书面表达（15分）
题目：My Favourite Plant Friend
要求：
写出你最喜欢的植物是什么。
描述它的特点和作用。
说明我们应该如何保护它。
不少于5句话，语法正确，语句通顺。
拓展层（综合运用，适合高水平学生）
一、用方框内单词的适当形式完成短文（每小题2分，共10分）
（protect, provide, clean, keep, recycle）
Plants are important to humans and nature. They ______ us with food, wood and medicine. Trees can ______ the air by absorbing harmful gases. Their roots can ______ the soil from washing away, which helps ______ the balance of nature. We should ______ paper and plant more trees to protect plants.
二、阅读理解并回答问题（每小题3分，共15分）
Different parts of plants give us different foods. Some vegetables come from roots, like carrots and sweet potatoes. Some are stems, such as potatoes. Tomatoes and eggplants are fruits of plants. Cabbages are leaves. Flowers are not only beautiful but also useful. They can clean the air and be made into flower tea and cakes. Trees are very helpful too. They give us shade in summer and their wood is used to make many things. To make friends with plants, we should not step on grass, not draw on trees and recycle paper.
What vegetables come from roots
What part of the plant is the potato
What can flowers be made into
What do trees give us in summer
What should we do to make friends with plants
三、书面表达（25分）
题目：Plants Are Our Best Friends
要求：
详细说明植物对人类和自然的多种作用。
结合生活实际，谈谈我们在日常生活中如何保护植物。
表达对植物的喜爱和重视之情。
不少于8句话，语法正确，逻辑清晰，语句通顺。
参考答案
基础层
一、根据中文提示写单词
cabbage 2. wood 3. medicine 4. balance 5. recycle
二、用所给单词的适当形式填空
give 2. flower 3. plant 4. waste 5. keep
三、单项选择
A 2. A 3. B 4. B 5. A
四、判断正（T）误（F）
T 2. F 3. T 4. F 5. T
提高层
一、英汉互译
简而言之 2. 保持生态平衡 3. 与……做朋友 4. print on both sides 5. clean the air
二、句型转换
Plants can't give us food and medicine.
Should we plant more grass
Which part of the plant is the tomato
Trees are able to clean the air.（或 Trees can make the air clean.）
Don't throw rubbish everywhere.
三、阅读理解
B 2. C 3. A 4. B 5. B
四、书面表达（参考范文）
My Favourite Plant Friend
My favourite plant friend is the tree. Trees are tall and strong with green leaves. They can give us fresh air by cleaning the air and producing oxygen. They also provide us with delicious fruits like apples and pears. Some trees have beautiful flowers in spring. We should protect trees. We shouldn't cut down trees randomly or draw on them. We should plant more trees every year. Trees make our world greener and more beautiful.
拓展层
一、用方框内单词的适当形式完成短文
provide 2. clean 3. keep 4. maintain 5. recycle
二、阅读理解并回答问题
Carrots and sweet potatoes come from roots.
It's the stem of the plant.
They can be made into flower tea and cakes.
They give us shade in summer.
We should not step on grass, not draw on trees and recycle paper.
三、书面表达（参考范文）
Plants Are Our Best Friends
Plants are our best friends because they are very important to us and nature. They provide us with a lot of food, such as fruits, vegetables and grains. Many vegetables like potatoes, tomatoes and cabbages come from different parts of plants. Trees give us wood to make furniture, paper and houses. Their leaves can clean the air by absorbing harmful gases and producing oxygen. Plants also help keep the balance of nature. Their roots prevent soil erosion. In our daily life, we can protect plants by planting more trees and flowers. We shouldn't pick flowers or step on grass. We can recycle paper to save wood. Plants make our world colourful and livable. We must love and protect them forever.

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