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(共33张PPT)
Unit 3 Trees and us
初中英语沪教版七年级下册单词讲解
Vocabulary
branch /brɑ nt / n. 树枝
silent / sa l nt/ adj. 不说话的；沉默的
overlook / v l k/ v. 忽略；未注意到
human / hju m n/ n. 人
oxygen / ks d n/ n. 氧；氧气
create /kri e t/ v. 创造
environment / n va r nm nt/ n. 自然环境
convenient /k n vi ni nt/ adj. 便利的；方便的
wood /w d/ n. 木；木头
treat /tri t/ v. 以……态度对待；以……方式对待
communicate /k mju n ke t/ v. 交流；沟通
product / pr d kt/ n. 产品；制品
Vocabulary
side /sa d/ n. 一面
borrow / b r / v. 借；借用
dig /d ɡ/ v. 掘（地）；凿（洞）；挖（土）
hole /h l/ n. 洞；孔；坑
stick /st k/ n. 棍；条
accident / ks d nt/ n. 意外；偶然的事
knowledge / n l d / n. 知识；学问
character / k r kt (r)/ n. 文字
spread /spred/ v. 传播
translation /tr nz le n/ n. 译文；译本
— — — Unit 3 — — —
Words and expressions
branch
/brɑ nt /
n. 树枝；分支；分部
词性
变换
- branches n. 树枝；分支
- branched adj. 有枝的；分叉的
短语
- a tree branch 树枝
- break a branch 折断树枝
- a branch of the bank 银行的分行
例句
1. A small bird is sitting on a branch of the tree.
一只小鸟正坐在树枝上。
2. The company has many branches around the world.
这家公司在世界各地有很多分部。
silent
/ sa l nt/
adj. 不说话的；沉默的；寂静的
词性
变换
- silently adv. 沉默地；无声地
- silence n. 沉默；寂静
短语
- keep silent 保持沉默
- silent night 寂静的夜晚
- silent reading 默读
例句
1. She remained silent when the teacher asked her a question.
老师提问时，她一直保持沉默。
2. The library is always silent.
图书馆里总是很安静。
overlook
/ v l k/
v. 忽略；未注意到；俯视
词性
变换
- overlooks v. 忽略；俯视
- overlooked v. 忽略；俯视
短语
- overlook a mistake 忽略一个错误
- overlook the city 俯瞰城市
- overlook the sea 面朝大海
例句
1. Don't overlook the small details in the exam.
考试中不要忽略小细节。
2. Our hotel room overlooks the beautiful beach.
我们酒店的房间可以俯瞰美丽的海滩。
human
/ hju m n/
n. 人；人类
adj. 人的；人类的
词性
变换
- humans n. 人；人类
- human adj. 人类的；人性的
短语
- human beings 人类
- human life 人类生活
- human nature 人性
例句
1. Trees are very important to humans.
树木对人类非常重要。
2. It's only human to make mistakes.
犯错是人之常情。
oxygen
/ ks d n/
n. 氧；氧气
词性
变换
- oxygenated adj. 含氧的
短语
- breathe oxygen 呼吸氧气
- lack of oxygen 缺氧
- oxygen supply 氧气供应
例句
1. Trees take in carbon dioxide and give out oxygen.
树木吸收二氧化碳，释放氧气。
2. Without oxygen, humans can't live.
没有氧气，人类无法生存。
create
/kri e t/
v. 创造；创作；造成
词性
变换
- creates v. 创造；造成
- created v. 创造；造成
- creation n. 创造；作品
- creative adj. 有创造力的
短语
- create a new world 创造一个新世界
- create a problem 造成问题
- create art 创作艺术作品
例句
1. The artist created a beautiful painting.
这位艺术家创作了一幅美丽的画。
2. We hope to create a better environment for children.
我们希望为孩子们创造一个更好的环境。
environment
/ n va r nm nt/
n. 自然环境；周围环境
词性
变换
- environmental adj. 环境的；有关环境的
- environmentally adv. 环境方面地
短语
- protect the environment 保护环境
- living environment 生活环境
- environmental pollution 环境污染
例句
1. We should work together to protect the environment.
我们应该一起努力保护环境。
2. Plants and animals depend on the natural environment.
动植物都依赖自然环境生存。
convenient
/k n vi ni nt/
adj. 便利的；方便的
词性
变换
- conveniently adv. 方便地；便利地
- convenience n. 便利；方便
短语
- convenient time 方便的时间
- convenient place 便利的地方
- it is convenient for sb. to do sth. 某人做某事很方便
例句
1. It's very convenient to shop online.
网购非常方便。
2. The new subway makes our life more convenient.
新地铁让我们的生活更便利了。
wood
/w d/
n. 木；木头；木材
词性
变换
- wooden adj. 木制的
- woods n. 树林
短语
- a piece of wood 一块木头
- made of wood 木制的
- cut wood 砍木头
例句
1. The table is made of wood.
这张桌子是木头做的。
2. We went for a walk in the woods.
我们去树林里散步了。
treat
/tri t/
v. 以……态度对待；以……方式对待；治疗
词性
变换
- treats v. 对待；治疗
- treated v. 对待；治疗
- treatment n. 对待；治疗
短语
- treat sb. with kindness 善待某人
- treat … as … 把……当作……
- treat a disease 治疗疾病
例句
1. You should treat your friends with respect.
你应该尊重你的朋友。
2. The doctor treated his illness successfully.
医生成功地治好了他的病。
communicate
/k mju n ke t/
v. 交流；沟通；传达
词性
变换
- communicates v. 交流；传达
- communicated v. 交流；传达
- communication n. 交流；沟通
短语
- communicate with sb. 与某人交流
- communicate ideas 传达想法
- communicate through the Internet 通过网络交流
例句
1. We communicate with each other by phone every day.
我们每天通过电话互相交流。
2. It's important to communicate with your parents.
和父母沟通是很重要的。
product
/ pr d kt/
n. 产品；制品；产物
词性
变换
- produce v. 生产；制造
- production n. 生产；制造
- producer n. 生产者；制片人
短语
- farm products 农产品
- new products 新产品
- wood products 木制品
例句
1. This shop sells many different kinds of products.
这家店卖很多不同种类的产品。
2. Paper is a product made from wood.
纸是用木头制成的产品。
side
/sa d/
n. 一面；边；侧面；方面
词性
变换
- side adj. 侧面的；旁边的
短语
- on both sides 在两边
- on the other side 在另一边
- side by side 肩并肩
- the bright side 好的一面
例句
1. There are trees on both sides of the road.
路的两边都有树。
2. Every coin has two sides.
凡事都有两面性。
borrow
/ b r /
v. 借；借用
词性
变换
- borrows v. 借；借用
- borrowed v. 借；借用
- borrower n. 借款人
短语
- borrow sth. from sb. 向某人借某物
- borrow a book from the library 从图书馆借书
例句
1. I often borrow books from the school library.
我经常从学校图书馆借书。
2. Can I borrow your pen I left mine at home.
我能借一下你的钢笔吗？我的落在家里了。
dig
/d ɡ/
v. 掘（地）；凿（洞）；挖（土）
词性
变换
- digs v. 挖；掘
- dug v. 挖；掘
- digging n. 挖掘
短语
- dig a hole 挖一个洞
- dig into 深入探究
- dig out 挖出
例句
1. The children are digging a hole in the garden.
孩子们正在花园里挖洞。
2. We need to dig deeper to find the water.
我们需要挖得更深才能找到水。
hole
/h l/
n. 洞；孔；坑
词性
变换
- holey adj. 有洞的；多孔的
短语
- a big hole 一个大洞
- dig a hole 挖洞
- a hole in the wall 墙上的洞
例句
1. There is a hole in the tree trunk.
树干上有一个洞。
2. The rabbit ran into a hole in the ground.
兔子跑进了地上的一个洞里。
stick
/st k/
n. 棍；条；棒
v. 粘贴；插入
词性
变换
- sticks v. 粘贴；插入
- stuck v. 粘贴；插入
- sticky adj. 粘的；粘性的
短语
- a wooden stick 木棍
- stick to 坚持；粘贴
- stick together 粘在一起
例句
1. The boy is playing with a stick in his hand.
那个男孩手里拿着一根棍子在玩。
2. Please stick the stamp on the envelope.
请把邮票贴在信封上。
accident
/ ks d nt/
n. 意外；偶然的事；事故
词性
变换
- accidental adj. 意外的；偶然的
- accidentally adv. 意外地；偶然地
短语
- by accident 偶然；意外地
- traffic accident 交通事故
- have an accident 出事故
例句
1. He met his old friend by accident in the street.
他在街上偶然遇到了老朋友。
2. A car accident happened on the road this morning.
今天早上路上发生了一起车祸。
knowledge
/ n l d /
n. 知识；学问；了解
词性
变换
- knowledgeable adj. 有知识的；博学的
短语
- a lot of knowledge 很多知识
- gain knowledge 获得知识
- common knowledge 常识
例句
1. We can get knowledge from books.
我们可以从书本中获得知识。
2. He has a wide knowledge of history.
他历史知识很渊博。
character
/ k r kt (r)/
n. 文字；性格；角色
词性
变换
- characteristic adj. 特有的；典型的
短语
- Chinese characters 汉字
- a main character 主角
- a strong character 坚强的性格
例句
1. Chinese characters are very beautiful.
汉字非常优美。
2. She is the main character in the story.
她是这个故事里的主角。
spread
/spred/
v. 传播；展开；蔓延
词性
变换
- spreads v. 传播；蔓延
- spread v. 传播；蔓延
- spread n. 传播；蔓延
短语
- spread news 传播消息
- spread out 展开；伸展
- spread over 蔓延；遍布
例句
1. The news spread quickly through the town.
消息很快传遍了全镇。
2. The bird spread its wings and flew away.
鸟儿展开翅膀飞走了。
translation
/tr nz le n/
n. 译文；译本；翻译
词性
变换
- translate v. 翻译
- translator n. 翻译者；译者
短语
- the translation of a book 一本书的译本
- English-Chinese translation 英汉翻译
- accurate translation 准确的翻译
例句
1. I need a Chinese translation of this English poem.
我需要这首英文诗的中文译文。
2. He is good at English translation.
他很擅长英语翻译。
— — — Unit 3 — — —
Exercises
一、根据句意及汉语或首字母提示完成单词。
1. A small bird is standing on the b______ of the apple tree.
2. Please keep _______ (沉默的) during the meeting.
3. Don't _________ (忽略) the importance of planting trees.
4. Trees produce ________ (氧气) which is necessary for humans to breathe.
5. We should ______ (创造) a green and clean living space.
ranch
silent
overlook
oxygen
create
一、根据句意及汉语或首字母提示完成单词。
6. Protecting the natural ____________ (环境) is everyone's duty.
7. Online shopping is very ___________ (便利的) for busy people.
8. Can I ______ (借) your dictionary
I left mine at home.
9. He met his old classmate by ________ (意外) in the supermarket.
10. The news about the tree-planting activity s______ quickly in our school.
environment
convenient
borrow
accident
pread
二、用单词的适当形式填空。
请用括号内所给单词的适当形式完成下列句子：
1. There are many _________ (branch) on the old tree.
2. She sat ________ (silent) in the corner without saying a word.
3. The artist _______ (create) a wonderful painting last week.
4. We should take action to improve our _____________ (environment) conditions.
5. This chair is made of _____ (wood), so it's very strong.
branches
silently
created
environmental
wood
二、用单词的适当形式填空。
6. You should _____ (treat) every student with kindness and respect.
7. It's important for parents to ____________ (communication) with their children often.
8. The workers ____ (dig) a big hole in the ground yesterday.
9. Reading more books can help you gain more _________ (know).
10. The fire _______ (spread) very fast because of the strong wind.
treat
communicate
dug
knowledge
spread
三、选词填空。
environment, treat, convenient, communicate, product
(请从方框中选择合适单词填入空格，每词限用一次)
1. We must try our best to protect the natural _____________.
2. It's necessary to _____________ with your teachers when you have problems.
3. The new shopping mall makes our daily life more __________.
4. Paper is a common _______ made from wood.
5. You should ______ your pets as your family members.
environment
communicate
convenient
product
treat
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