内容正文:
Lesson 28
The Study of
Living Things
Do you like biology? What do you know about butterflies?
There are about 20,000 kinds of butterflies around the world and about 2000 in China. They are a kind of insect.
1
New Words
She likes biology and she wants to be a biologist.
biology n. 生物学;
biologist n. 生物学家
The butterfly is resting on the flower.
butterfly n. 蝴蝶
butterflies
Every year, geese migrate south before winter comes.
migrate v. 移居;迁徙
migration n. 移居;迁徙
The town has changed compeletely.
compeletely adv. 完全地
complete adj. 完全的;彻底的;完整的
Females can give birth to babies.
female n. 雌性动物;雌性植物;女子
male n. 雄性动物;雄性植物;男子
There are more females than males working
in that factory.
They have four grandchildren.
grandchild n. (外)孙子;(外)孙女
grandchildren
Poisonous chemicals are harmful to our bodies. The chemical factory should be careful with them.
n. 化学制品
adj. 化学(相关)的
biology n.
butterfly n.
migrate v.
fantastic adj.
completely adv.
grandchild n.
female n.
milkweed n.
chemical n.
puzzling adj.
生物;生物学
蝴蝶
迁徙;移居
奇异的;极好的;了不起的
完全地
(外)孙(女)
雌性动物/植物;女子
马利筋(一种植物)
化学物质
令人费解的
2
Reading
1. In Mexico, the butterflies always return to _________
piece of forest
2.The US and Canada have encouraged farmers to use _______________.
3. What does Dr. Chip Taylor study?
______________________________________.
4.Where do the female butterflies lay eggs? _____________________________________.
5.Here, as many as 230 nillion butterflies apend the winter. ________________________________________.
the same
fewer chemicals
They lay eggs on only one plant: milkweed.
He studies one kind of North American butterfly
有多达23,000,000蝴蝶在这过冬。
3
Key Points
1. The Study of Living Things
live [laɪv] adj. 现场直播的
a living bird=a bird alive= a live bird
living things 生物
他的爷爷仍然在世。
His grandpa is still living/alive.
一只活着的鸟
a live show
2. Just like a migrating bird, this butterfly travels about 4000 kilometers south in fall.
south adv. 向南;朝南
The geese migrate south in autumn.
The geese migrate to the south in autumn.
就像一种迁徙的鸟,这种蝴蝶在秋天飞行约4000千米到达南方。
n. 南方;南部
3. Fantastic facts about the butterfly have been drawing Dr. Taylor’s attention.
现在完成进行时
含义:表示从过去某时开始一直持续到现在的动作,并且还将持续下去。
结构:have (has) + been + doing
The matches have been burning.
这些火柴一直在燃烧。
关于这种蝴蝶的奇异事实一直吸引着泰乐博士的注意。
4. draw one’s attention=catch /attract one's attention
吸引某人的注意力(draw drew drawn)
那个奇异的蝴蝶吸引了我的注意力。
The fantastic butterfly drew my attention.
as+adj./adv.原级+as “和……一样……”
I do my homework as ____________(careful)as my sister.
5. Here, as many as 230 million butterflies spend the winter.
as many as... 多达;和……一样多
There are as many as 6000 students in our school.
我们学校有多达6000名学生。
carefully
多达23,000,000只蝴蝶在这儿过冬。
这个结论是完全错误的。
The conclusion is completely wrong.
Please read the complete sentence.
The project should be completed within a year.
6. They can cover some trees almost completely.
他们几乎能完全地覆盖一些树。
completely adv. 完全地
complete
v.完成
adj. 整个的,全部的
lie-lied-lied-lying v. 说谎
lie-lay-lain-lying v. 躺
lay-laid-laid-layingv. 产卵;下蛋;放置
7. When they begin to travel north in spring, the females lay eggs.
当他们春天开始向北飞时的时候,雌性蝴蝶会产下卵。
The hen ____ (lay) eggs every day.
Have you ever ______ (lie) to your parents?
He is _________ (lie) on the bed.
lays
lied
lying
8. But in Mexico, people cut down the trees (that) the butterflies need to rest on.
但是在墨西哥,人们砍伐了蝴蝶赖以栖息的树木。
cut down 砍倒;砍伐;(代中)
cut-cut-cut-cutting. cut it/them down
自从那时起,许多树被砍伐。
A number of trees have been cut down since then.
拓展:关于cut的短语
cut up 切碎
cut...into pieces 把......切成碎片
cut off 中断;停止
9. This is both puzzling and interesting for many scientists.
这对许多科学家来说既是迷惑又是有趣的。
He is puzzled to hear the puzzling
problem.
puzzling adj.令人费解的
puzzled adj. 困惑的
(翻译)
1. The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north.
返回南方的蝴蝶是去往北方的蝴蝶的玄孙子。
2. But in Mexico, people cut down the trees (that) the butterflies need to rest on because they want more land for farming.
但是在墨西哥,人们砍倒了蝴蝶赖以栖息的树木,因为他们想要更多的土地用于耕种。
3. In the United States and Canada, farmers use chemicals that kill milkweed.
在美国和加拿大,农民用化学物质杀死马利筋。
关系词的用法
先行词 在从句中作主语 在从句中作宾语 在从句中作定语
指代人
指代物
who/that
whom/who
/that,可省
whose
which/that
which/that/可省
whose
In Mexico, the butterflies always return to the same small piece of forest,
which is only 20 kilometres wide.
在墨西哥,蝴蝶总是返回到同一片只有20千米宽的森林。
非限制性定语从句: 与主句间用逗号隔开;对先行词作附加说明,如果省去,意思仍然清楚
She failed in the exam again, which made her mother very angry.
她考试再次失败,这让她的妈妈很生气。
非限制性定语从句中,关系词which代指前文整件事。
一、单项选择。
1. She is a teacher_______ has much teaching experience.
A. whose B. who C. whom D. which
2. -What are you looking for?
-I'm looking for the dictionary _______ you lent me last week.
A. who B. what C. that D. when
3. I hate the dogs ______ live in the next house. They make loud noises all night.
A. who B. what C. that D. whom
B
C
C
4. Do you know the girl _______ he saved on his way home?
A. whose B. when C. whom D. which
5. This is the girl _______ purse was stolen.
A. whose B. who C. whom D. which
6. He was late for school,_____ made the teacher unhappy.
A. whose B. that C. what D.which
C
A
D
二、请给下列的定语从句补充引导词。
1. Tom is the boy _______________ we saw in the shop.
2. Look at the photos ______________ I took on my trip.
3. It successfully shows the rich culture_____________ makes Beijing so famous.
that/who/ /
that/which/ /
that/who/ /
4. The photo____________ we liked best was taken by Zhao Min.
5. His father is the person_____________ will be most unhappy.
that/which/ /
that/who/ /
二、翻译句子。
1. We are living in a wold that depends more and more on AI.
_______________________________________
2. We can't pay no attention to bad things that have happened
_______________________________________
3. Hve you ever offered a helping hand to those who are in trouble?
______________________________________
你曾经向那些处于麻烦中的人伸出援助之手吗?
我们不能不关注已经发生的坏事情。
我们正生活在一个越来越依赖人工智能的世界。
4
Exercises
1. Although Ye Shiwen is so young, she is a ___________(了不起的) swimmer.
2. These birds m___________ to North Africa in winter.
3. The ____________(chemistry) in the vegetables and fruits are harmful to our health.
4. My favourite subject is _____________(生物)
5. The old couple have several______________(外孙).
fantastic
igrate
chemicals
biology
grandchildren
连词成句
1. is, he, a, biology
__________________________________________?
2. things, improve, are, now
__________________________________________.
3. cover, can, they, the trees, complete
___________________________________________.
4. hen, the, lay, yesterday, egg, an
___________________________________________.
5. the, here, winter, butterfly, many, spend
___________________________________________.
Is he a biologist
Things are improving now
They can cover the trees completely
The hen laid an egg yesterday
Many butterflies spend the winter here
THANK
YOU
$$