Unit 4 Journey Across A Vast Land Using Language 课件 (共25张PPT)-2025-2026学年人教版（2019）选择性必修第二册

(共25张PPT)
Using language
Write about a rail journey across Canada
Unit 4 Journey across a vast land
1. To read a rail journey across Canada and find out the structure of the passage
2. To draw a simple route of the girls’ trip across Canada
3. To write a rail journey across Canada
Lead-in
Think of these questions.
1.What do you think makes up a healthy diet
2.What are some rules for healthy eating
Reading
Read the passage and then match the subheadings with the paragraphs.
Paragraph 1
Paragraph 2
Paragraph 3
Paragraph 4
Paragraph 5
A. Slow Eating is Good
B. Reducing Sweets is Key
C. The Real Killer is Suger
D. The Way You Look at Food is Most important
E. Keep It Fresh and Balanced
Reading
Read the passage again and choose the best answers.
1. According to the passage, what is the biggest killer of heart
A. Fatty food. B. Too much sugar.
C. Fruit and vegetables. D. Animals’ meat.
2. What diet should we eat if we want to keep healthy
A. Sugar and fat. B. Dairy products
C. A balanced diet. D. Processed foods
Reading
Read the passage and then match the subheadings with the paragraphs.
3. What is the main purpose of the passage
A. To introduce a new diet to people.
B. To analyse the composition of food.
C. To explain the effect of sweet on health.
D. To tell readers what is a healthy diet.
4. Where is this text most likely from
A. A novel. B. A guidebook.
C. A diary. D. A magazine.
Reading
Read the passage and then answer the questions.
1. What is a point in a passage
2. What kind of information is a detail
3. What is the relationship between a point and a detail
The writer’s opinion or the main idea.
A fact or feature about something.
A detail is used to support a point.
Reading
Study the language and structure.
1. What are the key details that support each point
A. The real driver of poor health is not so much fatty food, as it is sugar.
Detail(s): _________________________________________
_________________________________________________
_________________________________________________
_________________________________________________
In America, people who receive 25% of their daily calories or more through sugar are twice as likely to die from heart disease than people who receive less than 10% a day.
Reading
Study the language and structure.
B. Much of this extra sugar comes from sweets and sweet drinks.
Detail(s): ___________________________________________
____________________________________________________
C. You can keep healthy by consuming different categories of fresh food ... rather than processed foods.
Detail(s): ___________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
2 Processed foods often contain less nutrition, and have higher quantities of sugar, salt, and fat than fresh ingredients.
The average American gets 1/3 of his or her sugar through sweet drinks alone.
1 Fruit and vegetables are full of vitamins and fibre.
Reading
Study the language and structure.
D. A fundamental key to healthy eating is to eat slowly.
Detail(s): ___________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
1 People who chew too quickly end up eating too much food because they still feel hungry.
2 Eating slowly also allows your body to digest your food better, and will allow you to enjoy your food more.
Reading
Study the language and structure.
2. Underline the linking words in the passage that introduce another way of saying what was already mentioned in the previous sentence.
put more simply (简而言之)
in other words (换句话说)
what this means is that (这意味着)
Reading
Study the language and structure.
Writer’s purpose Linking words
To introduce another way of saying what was already mentioned
To show that contrasting ideas are being introduced
To list or add information
To give examples
… …
to put more simply, in other words, what this means is that, that is (to say), to put this in another way, in simple words/ terms, or rather,…
however, while, rather than, rather, but, on the contrary, instead, conversely, whereas, on the other hand, unlike, nevertheless, otherwise, in contrast,…
besides, also, in addition, what is more, moreover,…
for example, for instance, such as,…
Reading
Study the language and structure.
3. Circle the linking words in the passage which show that contrasting ideas are being introduced.
however
while
rather than (而不是)
rather (恰恰相反; 而是)
Language Points
1. This is true regardless of how healthy the rest of their diet might be.
这是真的, 不管他们的饮食其余部分有多健康。
regardless of : in spite of or paying no attention to sb/sth
不管; 不顾(侧重指不计后果和代价)
e.g. The law requires equal treatment for all, regardless of race, religion, or sex.
He continued speaking, regardless of my feelings on the matter.
Language Points
regardless of 强调“不认为……重要”, 从而不加以重视或考虑; 其后可接whether, what等引导的从句。
despite / in spite of 意为“尽管……但是”；其后一般接名词、代词或动词 –ing 形式，不接从句。
regardless of, despite & in spite of
Language Points
【语境应用】完成句子。
1) ___________________ he is right or wrong, we have to follow his decision.
无论他是对还是错, 我们必须遵守他的决定。
2) ___________________ the previous rounds of talks, no agreement has been reached so far by the two sides.
虽然经过了先前几轮的谈判，但是到目前为止，双方没有达成共识。
Regardless of
Despite / In spite of
Language Points
2. Beyond this, you can keep healthy by consuming different categories of fresh foods, which are full of vitamins and fibre, rather than processed foods.
除此之外,为了保持健康，你可以食用不同种类的新鲜食物， 尤其是富含维生素和纤维的水果蔬菜, 而不是加工食品。
rather than: and not 而不是
more willingly…than; instead of 宁可……也不
e.g. I’ll have rice rather than noodles.
The dictator relied on abuse of his opponents rather
than on sound reasoning．
Language Points
rather than表示客观事实, 它连接的并列成分可以是名词、代词、形容词、介词(短语)、动词-ing形式、分词、不定式、动词等。
rather than后接不定式时, 不定式可以带to, 也可以不带to。但rather than位于句首时, 则只能接不带to的不定式。
Language Points
1) do A rather than do B = rather than do B, sb. does A
某人不做B却做A
2) A rather than B 是A而不是B
3) would rather do A than do B
= would do A rather than do B 宁可做A而不做B
4) prefer to do A rather than do B 比起做B更喜欢做A
5) would rather sb. did/had done sth. 宁愿某人做某事
Language Points
【语境应用】英汉互译。
1) 我想我要喝冷饮而不是咖啡。
I think I’ll have a cold drink rather than coffee.
2) 杰克选择了离开而不是制造麻烦。
Jack chose to leave rather than (to) cause trouble.
3) I prefer to wait rather than go at once.
我宁愿等待也不愿立刻就去。
Language Points
3. Processed foods often contain less nutrition, and have higher quantities of sugar, salt, and fat than fresh ingredients.
加工食品通常含有较少的营养, 并且比新鲜原料含有更多的糖、盐和脂肪。
quantity n. the amount or number of a material or immaterial thing not usually estimated by spatial measurement 数量; 数额
e.g. Cheap goods are available, but not in sufficient quantities to satisfy demand.
Language Points
in quantity / in large quantities 大量地
a large quantity of / large quantities of 大量的
a large quantity of和large quantities of 既可修饰可数名词，也可修饰不可数名词。
“a (large) quantity of + 不可数名词”作主语时，谓语动词用单数。
“(large) quantities of + 可数或不可数名词”作主语，谓语动词都用复数。
Language Points
【语境应用】完成句子。
1) It’s a lot cheaper if you buy it ___________ quantity.
2) A large quantity of beer ___________ (sell) yesterday.
3) Large quantities of food __________ (waste) because of the way it looks.
was sold
are wasted
in