内容正文:
Unit 2 Amazing numbers
Section 1 Experiencing and understanding language
Reading
课前导学
儿吗?
新知热身
辨析for a moment与for a while:
◎新知热身
(1)for a moment:强调时间极短(几秒到几
Learn numbers in your daily life.
分钟)。如:
⊙自主学习
Sit down for a moment.I need to tell you
预习新单词、短语和句型。
something.坐下片刻,我有事要告诉你。
暑黑课堂探究
(2)for a while:表示较长时间(几分钟到几
9…一互动质疑
米米米
After thinking about it for a moment,the king
小时)。如:
agreed.想了一会儿后,国王同意了。
Let's take a break for a while.我们休息一会
【精讲点拨】for a moment意为“片刻,一会
儿吧
儿”,用于描述短暂的时间段或瞬间状态。
【学点训练】根据所给汉语意思完成句子。
通常作时间状语使用。如:
有一会我不知道怎么样来回答他的问题。
Let me think for a moment.让我想一会儿。
I did not know how to reply
Could you wait for a moment?你能稍等一会
to his question.
Listening
课前导学
口的百分比是多少?
m.新知热身
【精讲点拨】“What per cent of+名词/代
◎新知热身
词”用于询问某事物在整体中的百分比。
Talk about how to use numbers to record and
如:
present information.
What per cent of students passed the exam?
©自主学习
考试通过率是多少?
预习新单词、短语和句型。
动词单复数由“o”后的名词决定。如:
黑课堂探究
What per cent of the water is polluted?
二一.互动质疑
米米米
百分之几的水被污染了?
What per cent of the world's population
What per cent of the books are damaged?
currently live in Asia?目前,亚洲占世界人
百分之几的书被损坏了?
回答格式:
填空。
直接回答具体数值+“per cent”或“%”。(I)Only fifty per cent of our students
如:
(exercise)every day.
Fifteen per cent of the visitors are from foreign
(2)The town has a population of about
countries.15%的游客来自外国。
18,000.And about sixty per cent of the
【学点训练】用括号中所给单词的适当形式population(be)farmers..
Section 2 Exploring and applying rules
Grammar
课前导学
东京需要多长时间?
女.新知热身
(2)询问物体长度。结构:How long+is+
◎新知热身
名词?如:
Learn how to use cardinal
numbers
and
一How long is the Great Wall?长城多长?
ordinal numbers.
一It's about8,851 km long.它长约8851公里。
©自主学习
【学点训练】根据句意填空。
预习新单词、短语和句型。
(1)
do you spend cleaning up
墨课堂探究
the park every weekend?
9…一.互动质疑
How long is it?它多长?
-Cleaning up the park usually takes us an
【精讲点拨】how long用法解析
hour and a half.
(1)询问时间长度。结构:How long+助动
(2)
is the Zhujiang River?
词+主语+动词?如:
-It is about 2,320 kilometers long.
How long does it take to fly to Tokyo?飞往
Section 3 Expressing and communicating ideas
Speaking Writing
课前导学
3.Write a report about population change.
←m.新知热身
回自主学习
◎新知热身
预习新单词、短语和句型。
1.Discuss how people use numbers
with
classmates.
紧课堂探究
2互动质疑
米米
2.Learn strong and weak forms.
Do you know the number of students in your
class?你知道你们班的学生人数吗?
在学习。
【精讲点拨】(1)the number of意为“…的
总结:the number of和a number of均接可数
数量或总数”,后接可数名词复数作主语
名词复数,但谓语动词形式相反,前者用单
时,谓语动词要用单数形式。如:
数,后者用复数。
The number of students in our class is50.我【学点训练】根据所给汉语意思完成句子。
们班的学生数量是50人。
我们学校的学生人数大约是三千。看!他
(2)a number of意为“大量的,许多的”,谓
们中的许多人正在植树。
语动词一般用复数形式,number前可用
the students in our school
large,small来修饰。如:
is about three thousand.Look!
A number of students are studying.许多学生
them are planting trees.
Section 4 Extending and developing competencies
Focusing on culture
课前导学
I'll have coffee instead of tea.我要喝咖啡,
←新知热身
而不是茶。
©新知热身
She prefers walking instead of driving..她更
Think
about
the
development
of
喜欢走路而不是开车。
numbers.
注:“instead of”是一个介词短语,后面通常
⊙自主学习
跟名词、代词或动词-ing形式,不能跟动词
预习新单词、短语和句型。
原形。
蠡黑课堂探究
2….互动质疑
【拓展】在某些情况下,instead可以作为副
Instead of using tally sticks,people began
词使用,表示“相反地”或“代替地”,通常位
using different abstract symbols to represent
于句首或句尾。如:
different numbers..人们开始使用不同的抽象
Instead,he chose to stay at home.相反地,他
符号来表示不同的数字,而不是使用计数
选择待在家里。
棍。
She didn't want to go out,so she stayed at
【精讲点拨l】instead of意为“代替,作为
home instead.她不想出去,所以待在家里。
…的替换”,通常用于连接两个同等成分
【学点训练1】根据所给汉语意思完成句子。
的词、短语或句子,表示用一个事物或行为
(1)她给了我一本书,而不是钱。
来替代另一个。如:
She gave me a book
money.
(2)他没有整夜学习,而是早早地去睡觉了。
of China.我们所有人都知道长城是中国的
all night,he went to
象征。
bed early.
【学点训练2】根据所给汉语意思完成句子。
(3)她不想喝茶,而是喝了咖啡。
(1)面条在中国文化中是长寿的一种象征。
She didn't want to have tea,so she had coffee
Noodles are
long life in
Chinese culture.
【精讲点拨2】symbol n.,在本句中意为“符
(2)天安门是中国的象征之一。
号:记号”,还可意为“象征;代表”。如:
Tian'anmen is
We all know that the Great Wall is a symbol China.
Cross-curricular connection
课前导学
早上九,点出现。
.新知热身
(2)show up意为“揭露;暴露”。表示揭露
◎新知热身
或暴露某人的缺点、优,点或某事的真相。如:
Learn interesting mathematical patterns.
Her mistakes showed up during the exam.
©自主学习
的错误在考试中暴露出来了。
预习新单词、短语和句型。
(3)show up意为“表现;展现”。表示描述
景课堂探究
2…。互动质疑
展现某人才华或能力。如:
Fibonacci numbers are very special because
She showed up her singing talent at the party.
they show up everywhere.斐波那契数非常特
她在派对上展示了她的歌唱才华。
别,因为它们无处不在。
【学点训练】根据所给汉语意思完成句子。
【精讲点拨】(1)show up意为“出现;露面”,
(1)我对时间有很强的意识,总是准时出现。
是一个不及物动词短语,不需要直接宾语。
I have a strong sense of time and always
表示某人或某物在特定时间和地点按计划
on time
或意料地出现。如:
(2)我昨晚没来是因为我感冒了。
She didn't show up at the party last night.
I didn't
last night because I had a
昨晚没有出现在聚会上。
terrible cold.
They usually show up at9a.m.他们通常在温馨提示:请做完后再看答案!
自主
Unit 1 Look it up!
Section 1 Experiencing and understanding
language
Reading
1.(1)talented (2)talented in
2.are related to
Listening
(1)during (2)during
Section 2 Exploring and applying rules
Grammar
1.(1)any
some (2)any
(3)any (4)any (5)some
2.(1)everyone/everybody
(2)No one/Nobody
(3)nothing
(4)something interesting
Section 3 Expressing and communicating ideas
Speaking Writing
(1)spent (2)planning
Section 4 Extending and developing
competencies
Focusing on culture
(1)plays an important role
(2)winning
Cross-curricular connection
(1)the most famous (2)largest
(3)highest
33
校对
Unit 2 Amazing numbers
Section 1 Experiencing and understanding
language
Reading
For a moment
Listening
(1)exercise (2)is
Section 2 Exploring and applying rules
Grammar
(1)How long (2)How long
Section 3 Expressing and communicating ideas
Speaking Writing
The number of A number of
Section 4 Extending and developing
competencies
Focusing on culture
(1)instead of
(2)Instead of studying
(3)instead
(1)a symbol of
(2)one of the symbols of
Cross-curricular connection
(1)show up (2)show up
Unit 3 Our digital lives
Section 1 Experiencing and understanding
language
Reading
(1)connect to (2)connected with