天天资源网 / 高中英语 / 教学同步 / 人教版（2019） / 选择性必修第一册 / UNIT 5 Working the Land / 人教版2019）高一英语选择性必修Unit5WorkingtheLandDiscoverUsefulStructures课件
资料简介
U n i t 5 Wo r k i n g
t h e L a n d
D i s c o v e r U s e f u l
S t r u c t u r e s
Learning objectives
In this class, you will
1. identify and summarize the uses of noun
clauses as subjects;
2. use subject clauses to talk about what
qualities make a person so successful.
Yuan Longping
• is known as the “father of
hybrid rice”;
• has received numerous
awards;
• makes large donations to
support agricultural research;
• is still full of vision.
Review
More information about Yuan Longping
• What Yuan Longping really cared about
was not money or celebrity.
• That Yuan Longping had realised his
dream of seawater rice surprised the whole
world.
Look at the complex sentences and state the
functions of the noun clauses italicised.
Activity 1
在英语中，有的从句在复合
句中的作用相当于名词，称
作名词性从句。
• What Yuan Longping really cared about was
not money or celebrity.
• That Yuan Longping had realised his dream
of seawater rice surprised the whole world.
Subject
Subject
Look at the complex sentences and state the
functions of the noun clauses italicised.
Activity 1
• That Yuan Longping had realised his dream
of seawater rice surprised the whole world.
• It surprised the whole world that Yuan
Longping had realised his dream of
developing seawater rice. 用it作形式主语
Activity 1
Look at the complex sentences and state the
functions of the noun clauses italicised.
Para 2: However, what concerned him most
was that farmers often had poor harvests and
sometimes even had a serious shortage of food
to eat.
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 2: However, what concerned him most
was that farmers often had poor harvests and
sometimes even had a serious shortage of food
to eat.
Read the text again and find similar complex
sentences from the text.
Activity 1
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 3: How this could be done was a
challenging question at that time.
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 3: How this could be done was a
challenging question at that time.
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 3: However, whether it was possible to
develop a hybrid of self-pollinating plants such
as rice was a matter of great debate.
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 3: However, whether it was possible to
develop a hybrid of self-pollinating plants such
as rice was a matter of great debate.
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 5: Today, it is estimated that about 60
percent of domestic rice consumption in China
is comprised of crops generated from Yuan’s
hybrid strains, and…
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 5: Today, it is estimated that about 60
percent of domestic rice consumption in China
is comprised of crops generated from Yuan’s
hybrid strains, and…
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 6: What impresses people most about
Yuan Longping is his ongoing ability to fulfill
his dreams.
Read the text again and find similar complex
sentences from the text.
Activity 1
Para 6: What impresses people most about
Yuan Longping is his ongoing ability to fulfill
his dreams.
Match the sentence parts, and then translate
the completed sentences into Chinese.
Activity 2
n. 小麦
n. 化学制品
1. D; When these wheat farmers will join this
pilot experiment remains an unanswered
question.
1. D; 这些小麦农户什么时候会加入预实验
仍然不得而知。
Match the sentence parts, and then translate
the completed sentences into Chinese.
Activity 2
2. C; How we can find a suitable solution to
produce sufficient food while keeping the
environment safe is an important topic for us to
research.
Match the sentence parts, and then translate
the completed sentences into Chinese.
Activity 2
2. C; 如何能够找到一个合适的解决办法，
在保证环境安全的同时，生产足够的粮食，
是一个需要我们研究的重要课题。
Match the sentence parts, and then translate
the completed sentences into Chinese.
Activity 2
3. A; What worries many people is that these
chemicals may even cause cancer.
3. A; 令很多人所担心的是，这些化学制品
甚至可能导致癌症。
Match the sentence parts, and then translate
the completed sentences into Chinese.
Activity 2
4. E; It amazed all of us that these vegetables
can even be planted without any soil through
this new technology.
4. E; 令我们所有人惊讶的是，通过这种新
技术，可以无土栽培这些蔬菜。
Match the sentence parts, and then translate
the completed sentences into Chinese.
Activity 2
5. B; 有些人更喜欢住在乡下而非城市的原
因是前者生活节奏更慢、生活方式更健康。
5. B; That the lifestyle is slower and healthier
is the reason why some people prefer to live in
the country rather than in the city.
Match the sentence parts, and then translate
the completed sentences into Chinese.
Activity 2
• the word order of the subject clauses;
• how the subjects are introduced differently.
Summary
Observe the sentences in Activity 1 and
Activity 2, and pay attention to
• the word order of the subject clauses;
Ø 主语从句中使用陈述语序。
What Yuan Longping really cared about was
not money or celebrity.
How this could be done was a challenging
question at that time.
Summary
Observe the sentences in Activity 1 and
Activity 2, and pay attention to
• how the subjects are introduced differently.
Ø 由连接代词what引导;
Ø 由连词that、whether引导；
Ø 由连接副词when、how、where、why等引
导 。
Summary
Observe the sentences in Activity 1 and
Activity 2, and pay attention to
• What impresses people most about Yuan
Longping is his ongoing ability to fulfill his
dreams.
• What worries many people is that these
chemicals may even cause cancer.
Ø 连接代词what，在主语从句中表示的意思
为：……的（事/东西）。
Summary
Ø 连词that仅引导主语从句，通常无中文释
义；whether(注意不能用if)在主语从句中
表示的意思为：是否。
• That Yuan Longping had realised his dream of
seawater rice surprised the whole world.
• Whether it was possible to develop a hybrid of
self-pollinating plants such as rice was a matter of
great debate.
Summary
• When these wheat farmers will join this pilot
experiment remains an unanswered question.
• How this could be done was a challenging question
at that time.
Ø 连接副词when、how、where、why，在
主语从句中，表示的意思分别为：何时、
怎样、何地、为什么。
Summary
Read the passage and underline all the subject
clauses.
Activity 3
n. （食物或饮料的）味道
Think about whether the sentences with subject
clauses can be paraphrased.
Activity 3
• However, what she is unhappy about is the
lower nutritional value and reduced flavor.
• She is unhappy about the lower nutritional
value and reduced flavor.
Activity 3
Read the passage and underline all the subject
clauses.
Activity 3
Read the passage and underline all the subject
clauses.
• However, what she is unhappy about is the
lower nutritional value and reduced flavor.
Ø what引导主语从句，起到了强调作用。
更能突出语篇所表达出的grandma对
绿色农业的追求，体现语篇主题。
Example: I’d like you to find out how new
technologies can increase grape production
in Binchuan county.
What I’d like you to find out is how new
technologies can increase grape production
in Binchuan county.
Practice
Rewrite the sentences using subject clauses.
(Page 90, Activity 1, Workbook)
1. We wanted to know where he had lost
the laptop.
Where ___________________
was what we wanted to know.
he had lost the laptop
Practice
Rewrite the sentences using subject clauses.
(Page 90, Activity 1, Workbook)
2. The way in which he did the experiment
was puzzling to other people.
How __________________
was puzzling to other people.
he did the experiment
Practice
Rewrite the sentences using subject clauses.
(Page 90, Activity 1, Workbook)
3. Do they use too many chemical pesticides?
I worry about this most.
Whether __________________________
_________ is what I worry about most.pesticides
Practice
they use too many chemical
Rewrite the sentences using subject clauses.
(Page 90, Activity 1, Workbook)
That ________________________________
________________________ makes people
happy.
4. People are happy to see that the living
conditions and income of the farmers have
improved a lot.
the living conditions and income of the
farmers have improved a lot
Practice
Rewrite the sentences using subject clauses.
(Page 90, Activity 1, Workbook)
5. We have not decided on the date for the
sports meet yet.
When ______________________
has not been decided on yet.
the sports meet will be held
Practice
Rewrite the sentences using subject clauses.
(Page 90, Activity 1, Workbook)
Activity 4
• What qualities do you
think make a person
like Yuan Longping so
successful?
• Think about it and
prepare a presentation.
The following points and expressions may help you.
Activity 4
Possible answer:
What impresses me most is that Yuan
Longping has succeeded in helping to feed
so many people. It is important that he never
gave up, despite many difficulties. That he
succeeded in realising his dream is what
makes him great.
Activity 4
Summary
• 复合句中作主语的从句叫主语从句。
• 引导主语从句的词有连词that、whether
（不能用if）；连接代词what、 who、
which; 连接副词when、where、how、why
等。
• 主语从句要用陈述语序。
• 为了避免主语显得过长，尤其是陈述句作
主语从句时，可以用it作句子的形式主语，
把主语从句移到句尾。
Homework
• Choose a great person mentioned in this
book or a great person you admire.
• Use subject clauses to write 3-5 sentences
about what qualities make him/her great.
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