(共32张PPT)
Unit 5 Look into Science
Grammar
Building Your Vocabulary
Fill in the blanks with the correct forms of the words in the box.
Ⅰ
1．The teacher asked the students to circle the ________answers.
2．I think it is a new ________ of solving the problem.
3．The metal is not a new _________—people have known
about it for years.
4．He didn't know what could hit him with such________.
5．Retelling her experiences is part of her ________ life.
correct
discovery
force
everyday
method
force method correct unless
discovery repeat double everyday
Fill in the blanks with the correct forms of the words in the box.
Ⅰ
6．It has the ________ advantages of being both easy
and cheap.
7．You can never play well ________ you practice more.
8．She kept __________ the words over and over again.
double
repeating
unless
force method correct unless
discovery repeat double everyday
Grammar in Use
[复习] 定语从句 的相关概念
修饰名词或代词的句子叫定语从句。
什么是定语从句？
[复习] 定语从句 相关概念
被修饰的名词或代词叫先行词。
什么是先行词？
[复习] 定语从句 相关概念
引导定语从句的词叫关系词。
什么是关系词？
[复习] 定语从句 相关概念
关系词在从句中充当句子成分, 并且指代先行词。
关系词的特点？
Have you ever spoken to the people who live next door
定 语 从 句
关系词, 在从句中做主语, 指代 people
先行词
[探究] 定语从句 的关系词
还有其他能引导定语从句的关系词吗？
关系词 先行词 从句成分 例句
关 系 代 词 who 人 主语;宾语;表语 He who has not reached the Great Wall isn’t a true man.不到长城非好汉。
whom 人 宾语 The girl whom you met yesterday is my daughter.你昨天遇到的那个女孩是我的女儿。
whose 人; 物 定语 My uncle bought a new house whose window faces the sea.
我叔叔买了一个窗户朝向大海的新房子。
关 系 代 词 关系词 先行词 从句成分 例句
that 人,物 主语; 宾语; 表语 She is the only student that has finished the homework.她是唯一一个完成作业的学生。
which 物 主语;宾语;表语 The book which I gave you was worth reading.我给你的那本书值得读。
[注意] that 在从句中做宾语时可省略
关 系 副 词 关系词 先行词 从句成分 例句
when 时间 时间状语 I will never forget the days when I worked abroad.我永远不会忘记 我在国外工作的日子。
where 地点 地点 状语 This is the place where we met yesterday.这是我们昨天碰头的地方。
why 原因 原因 状语 That was the reason why I didn’t come yesterday.那就是我昨天没有来的原因。
[注意]
that和which都可以指物, that和who都可以用来指人, 但在下列情况下, 只能用that引导:
1. 当先行词被序数词、形容词最高级或the only, the same, the last, the very等修饰时;
eg：It’s the most interesting place that I have ever visited. 这是我曾经去过的最有趣的地方。
2. 当先行词是不定代词或先行词被all, any, much, many, every, no, few, little等修饰时;
eg：You can do everything that you like to do. 你可以做你喜欢做的一切。
3. 当先行词里既有人又有物时;
eg：The man and the car that I saw yesterday are in the schoolyard today.
我昨天看到的男人和车今天在校园里。
4. 当先行词前有who或which等疑问代词时。
eg：Who is the girl that spoke to you just now
刚才和你说话的女孩是谁
[注意]下列情况下不能用that
1. 关系代词前有介词时;
eg：This is the house in which Jiao Yulu once lived.
这是焦裕禄曾经住过的房子。
2. 先行词为that时。
eg：What’s that which you are holding in your arms
你怀里抱着的那个是什么？
定语从句中的谓语动词和定语从句的主语保持人称和数的一致, 当关系代词在定语从句中作主语时, 其谓语动词与先行词保持人称和数的一致。
eg：This is one of the trees that were planted last year. 这是去年种的树中的一棵。
[拓展]定语从句中的主谓一致
[链接中考]
1.(营口)—What are you looking for
—I'm looking for the dictionary my brother gave me last month.
A.that B.what C.who D.whom
2.(黄冈)—Do you know the girl is giving the speech
—Of course. She is my best friend, Meimei.
A.which B.who C.whom D.what
[链接中考]
3.(成都)I like the writers ________ are popular among teenagers.
A．who B．which C．whom
4.(湖北)—In a text message, 88 means Bye bye.
—And another example is F2F________stands for face to face.
A．that B．who C．whom D．it
[链接中考]
5.(山东)—Which is your new neighbour, Liu Hua？
—The man________ T shirt is red.
A．that B．who C．which D．whose
6.(安徽)I still remember the college and the teachers ________ I visited in London years ago.
A．what B．who C．that D．which
[链接中考]
7.(杭州)Being blind is something ________ most people can’t imagine.
A．who B．what C．that D．whom
8.(哈尔滨) Everyone has his aim in life. However, you can’t get fat on one mouthful. Start with the easiest thing ________ you can control.
A．who B．that C．which
Circle the correct relative pronouns.
Ⅰ
1.Have you ever spoken to the people (who / which) live next door
2.Here is the book(who / that ) you were looking for.
3.There is a program on TV ( that / what) you might like.
4.What is the name of that woman ( who / whom) just came in
5.The girl to (who / whom ) the teacher is talking is my younger sister.
6．Here are the pens ( which / who)I bought yesterday.
Combine the sentences to make attributive clauses.
Ⅱ
1．I have a friend.My friend enjoys listening to music.
______________________________________________
2．This is the boy.The boy won the singing competition.
_____________________________________________
3．The book is very interesting.Li Ming lent me the book.
______________________________________________
4．Brian gave me a bag.The bag was full of books.
______________________________________________
5．I'll show you around the park.I like the park best.
_____________________________________________
I have a friend who enjoys listening to music.
This is the boy who won the singing competition.
The book that Li Ming lent me is very interesting.
Brian gave me a bag that was full of books.
I'll show you around the park which I like best.
Listening and Speaking
Listen to the passage and put the sentences in the correct order.
Ⅰ
□Students also learn the right scientific attitude-a respect for truth.
□They do experiments in the lab.
□Later,they discuss problems with their teachers and classmates.
□In science classes,students learn about scientific research
and methods.
□How do students learn science in school
□They study theories and methods in textbooks.
□Science classes are important for high school students.
4
1
7
6
5
3
2
How does science affect our everyday lives Talk about it with a partner.
Ⅱ
A：Do you think science can affect our lives
B：Yes. For example, electronic bikes make travelling more convenient.
A：You are right. But sometimes electronic bike drivers don't obey the traffic rules and cause many traffic accidents.
B：Well, every coin has two sides.
You can make a dialogue like this.
Show your dialogue to the class.
Inventions and discoveries
Have changed the modern world.
Developing technologies
Have changed the modern world.
I will turn on the light，
Thanks to electricity.
I will turn on the light，
Thanks to electricity.
Inventions and discoveries
Have changed the modern world.
Developing technologies
Have changed the modern world.
I will phone one of my friends，
Thanks to technology.
I will phone one of my friends，
Thanks to technology.
Thanks to Technology
Inventions and discoveries
Have changed the modern world.
Developing technologies
Have changed the modern world.
I will shoot you with my camera,
Thanks to technology.
I will shoot you with my camera，
Thanks to technology.
Thanks to Technology
GOOD JOB
