2020年牛津深圳版英语八年级下册Module 4 Discovery Unit 7 The unknown world知识点讲解课件（41张）

(共41张PPT)
2020年八年级下册
Unit 7 The unknown world
Part 1 Words & expressions
Part 2 Language points
Part 3 Grammar
Part 4 Key sentences
Part 5 作业
Part 1 Words & expressions
unknown
astronaut
receive
hill
loud
bush
quiet
round
damage
frightened
adj. 未知的
n. 宇航员
v. 收到
n. 山丘；小山
adj. 响亮的
n. 灌木
adj. 安静的
adj. 圆形的
v. 毁坏
adj. 惊吓的
discover
terrible
fear
creature
feather
wonder
line
refuse
spread
mark
v.发现;找到;发觉
adj. 非常讨厌的；可怕的
n. 害怕
n. 生物
n. 羽毛
v. 想知道
n. 线条
v. 拒绝
v. 张开
n. 符号
desert
tent
knife
explain
pleased
n. 沙漠
n. 帐篷
n. 刀
v. 解释；说明
adj. 高兴；满意
keep quiet
because of +n.
in fear
landing site
as soon as possible
agree with
disagree with
保持安静
因为
恐惧地；害怕地
降落场
尽快
同意
不同意
Part 2 Language points
1. I’m sure something landed in the forest near the hills as I heard a loud noise last night.
我确定有东西降落到了小山附近的森林里,因为昨晚我听到了一声巨响。
land意思是“降落,登陆”,是动词。也可用作名词,意思是“陆地,地面”,不可数。
翻译：所有战斗机都安全降落。
All the fighters landed safely.
2. I’m sure something landed in the forest near the hills as I heard a loud noise last night.
noise意思是“嘈杂声;声响”,是名词。
当作为“嘈杂声”理解时,是不可数名词；
当作为“声响”理解时,是可数名词。
常见的短语有: make noise,意思是“制造噪音”。
翻译：房间里噪音太多了。
There was too much noise in the room.
2. I’m sure something landed in the forest near the hills as I heard a loud noise last night.
分析句子结构
2. I’m sure something landed in the forest near the hills as I heard a loud noise last night.
系表结构宾语从句
Be + adj. + that …
[sure, afraid ,glad ,pleased ,happy ,worried ,sad ,sorry……]
7. I'm sure something landed in the forest near the hills as I heard a loud noise last night.
这是一个由as引导的原因状语从句。
翻译：她知道唱歌的技巧，因为她是个歌手。
She knows the skills of singing as she is a singer.
3. The children were frightened.
孩子们很害怕。
frightened意思是“惊吓的,害怕的”,是形容词,用来修饰人。
frighten意思是“使害怕”,是动词。
frightening意思是“令人惊吓、害怕的”,形容词,用来修饰物体。
翻译：1. 那个受惊吓的男孩正在哭。
The frightened boy was crying.
2. 那真是个令人害怕的夜晚。
It was really a frightening night.
4. It discovered them.
它发现了他们。
discover意思是“发现”,是动词,和find意思和用法一样,但更正式。
Discovery n.
翻译：威尔海尔姆·伦琴发现了X射线。
Whilhelm Roentgen discovered X rays.
5. I wonder what it means.
我想知道它是什么意思。
wonder意思是“想知道”,是动词,相当于 want to know,后面常跟句子。
宾语从句
翻译：我想知道你为什么迟到了。
I wonder why you were late.
6. I refuse to believe you.
我拒绝相信你们。
refuse意思是“拒绝”,是动词,后面常接动词不定式to do或者名词。
翻译：1.她拒绝了我。
She refused me.
2. 妈妈拒绝跟我一起去。
My mum refused to go with me.
8. The spaceship was damaged because of a crash.
因为坠毁,这艘宇宙飞船损坏了。
because of +n.
试区分：because & because of
I lost all my money because of you.
I will give you all my money because I love you.
because+句子； because of+n.
9. Since no one else saw these aliens, I refuse to believe you.
既然没有其他人看到这些外星人,我拒绝相信你们。
这是一个由 since引导的原因状语从句。
翻译：因为我们还年轻, 所以不应该太害怕犯错误。
Since we are young, we shouldn’t be too afraid of making mistakes.
Part 3 Grammar
观察并翻译：
1. I'm sure something landed in the forest near the hills as I heard a loud noise last night.
2. The spaceship was damaged because of a crash.
3. Since no one else saw these aliens, I refuse to believe you.
4.—Why did you and Tina hide behind some bushes
—Because we heard some voices speaking a strange language.
Can you find something in common
观察并翻译：
1. I'm sure something landed in the forest near the hills as I heard a loud noise last night.
2. The spaceship was damaged because of a crash.
3. Since no one else saw these aliens, I refuse to believe you.
4.—Why did you and Tina hide behind some bushes
—Because we heard some voices speaking a strange language.
Conclusion：
以上例句1、3、4含有原因状语从句,
引导词是as, since和 because。
例句2中because of接名词或名词短语。
注意：
—Why did you and Tina hide behind some bushes
—Because we heard some voices speaking a strange language.
1. 用Why来提问，只能用because来回答。
2. 英语中，so不能与because连用。
Part 4 Key sentences
1. I think this was a lie.
Lie
N. 谎言
Perhaps some or all of the people lied.
Vi. 说谎
Don' t ________me. 别对我说谎。
It is wrong to _________. 说谎不对。
Can you believe she is ________ 你能相信她正在说谎吗
lie to
lie
tell a lie
lying
2. There were the bodies of three aliens lying on the grass.
Whose is the wallet ________(lie) on the ground
There are some students _____ (speak) in the classroom.
The woman ________(talk) to the doctor is my mother.
lying
speaking
talking
3. Here is one famous story.
倒装句
here/there， 地点副词提前句首， 表示强调
Here comes the bus! 车来了！
= The bus comes here!
There is an apple.
An apple is there.
Here is a ticket for you.
A ticket for you is here.
I like sports and so does my brother .
—John liked apples, so did I .
I wonder if she will go to the ball. If she does, so will I.
He didn’t attend the meeting, neither did Tom.
so, neither/ nor 放在句首，用倒装
说明前面的内容也适用于后者时“也这样” 或“也不这样”
肯定句：so + 助动词/情态动词/be动词 + 主语
否定句：neither/nor + 助动词/情态动词/be 动词 + 主语
注意：
so + 主语 + 助动词 / 情态动词 / be 动词, 表示“的确如此”，表赞同对方的观点和看法。
--Tom works hard.
–So he does, and so do you.
I won’t do such a thing. ____________________anyone else.
The first one wasn’t good and _____________the second.
The students were in the classroom. ___________________.(老师也在教室）
　
Nor/Neither will
neither was
So was the teacher.
4. Many people say they have seen UFOs.
Many people say they have seen UFOs.
Many people say they have seen UFOs.
宾语从句
时态一致
1） 主句：一般现在时，从句：现在完成时
5. However，since I have not seen this kind of metal before, I think this was a lie.
However，since I have not seen this kind of metal before, I think this was a lie.
However，since I have not seen this kind of metal before, I think this was a lie.
宾语从句
时态一致
1） 主句：一般现在时，从句：一般过去
6. He said the pieces came from a weather balloon.
He said the pieces came from a weather balloon.
He said the pieces came from a weather balloon.
宾语从句
时态一致
1） 主句：一般过去时，从句：一般过去
7. Perhaps a U.S. rocket crashed and people thought it had come from space.
Perhaps a U.S. rocket crashed and people thought it had come from space.
Perhaps a U.S. rocket crashed and people thought it had come from space.
people thought it had come from space.
宾语从句
时态一致
1） 主句：一般过去时，从句：过去完成时
8. Before you begin, you should think about what information you need to pay special attention to while listening.
Before you begin, you should think about what information you need to pay special attention to while listening.
Before you begin, you should think about what information you need to pay special attention to while listening.
宾语从句
引导词；
陈述语序
9. It is about aliens from Mars attacking the Earth.
It is about aliens from Mars attacking the Earth.
It is about aliens from Mars attacking the Earth.
11. It was written by the English writer, H.G. Wells, who is called the “father of science fiction”.
It was written by the English writer, H.G. Wells, who is called the “father of science fiction”.
It was written by the English writer, H.G. Wells, who is called the “father of science fiction”.
12. Many people in America thought it was real when they heard the story on the radio in 1938.
Many people in America thought it was real when they heard the story on the radio in 1938.
Many people in America thought it was real when they heard the story on the radio in 1938.
Many people in America thought it was real when they heard the story on the radio in 1938.
Part 5 作业