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(共31张PPT)
（人教新版）九年级
上
Our memory
Unit4
Section B 2a-2c
01
02
03
04
巩固复习上节课阅读部分内容，梳理文章内容与结构，借助思维导图复述课文要点，并结合自身情况制定个人记忆提升计划；
掌握词缀记单词、语境记短语两种高效记忆方法，学会自主整理单词家族，提升自主词汇积累能力；依托语境选词，培养结合上下文判断词性词义的阅读思维。
借助动物记忆力短文，感受大自然生物的智慧，引导学生学习动物长久记忆的特点，养成科学记忆、长期积累的学习习惯。
掌握常见词缀re-/un-/-ive/-ful/-able/-ion/-or/-ly/-ness，能借助词根词缀推导新词词义；熟练运用react、case、effective、likely、position、address等核心单词变形填空；借助核心短语造句、完成情景练习。
Learning objectives
、
Let’s have a memory test!
Try to memorize the numbers at random（任意地） within one minute.
6 7 8 5 2
8 9 0 4 2
6 0 9 4 8
9 7 5 8 2
Round 1
Warming-up
、
candidate
n 候选人
hijack
v 打劫
resit
n/v 补考，重考
fuzzy
adj 毛茸茸的
abandon
v 放弃
Round 2
Let’s have a memory test!
Try to memorize the new words within two minutes.
Warming-up
、
Do you have a good memory or poor memory How can we Boost Your Memory
Revision
Task1:Analyze the structure.
Part 1(1-2)
Part 2(3-6)
Part 3(7)
Ways to boost memory
Conclusion
Introduction
general-to-specific structure-to-general
、
Task2:Fill in the blanks.
Revision
If you want to _____________ your memory,you should understand how memory works.There are two kinds of memory:__________________ and __________________ . Short-term memory helps you_________ things that you may only need for a short time, like phone numbers when you need to make a phone call. Long-term memory is the_________ to remember things for days, years, or even a _________. So the real question is: How do you____________ what you learn enters your long-term memory The article tells us some good ways to__________________ become our long term
improve/boost
short term memory
long term memory
remember
ability
lifetime
make sure
make information
、
memory.First, we should pay attention and _______________key points. Second, we need to_________ our lessons often. But don’t make our brain too tired. We can discuss or teach what we learn to other people. Third, we can _____________our senses. We may use ___________or create stories in our mind.
What’s more, ______________ is important. Good sleep, healthy food and exercise help our memory a lot. We can try different memory skills and find the best for us. Then our memory will become better.
take notes of
review
make use of
mind maps
staying healthy
、
Try taking notes
and writing down
key points.
Do not wear out your brain.
Create images.
Create a story and view it like a film.
Make use of your other senses.
By discussing it with others or by teaching others.
Sleep well.
Eat well.
Exercise.
Task4:Retell the passage according to the mind map.
Revision
、
、
Let’s watch the video.
Lead-in
、
你还记得学过的
哪些词缀呢？
-ful
-less
un-
-able / ible
-ing / -ed
-ant / ent
-dis
-ian
. . .
词缀分为前缀（prefix）和后缀（suffix），前缀改变词义，后缀主要改变词性。
、
Use affixes to create as many new words as possible. Use your dictionary.
2a
注意：英语词缀（affix）分为前缀（prefix）和后缀（suffix），它们可以附加在词根上构成新词。
re- + act → react（反应）
act + -ion → action（行动）
act + -ive → active（积极的）
act + -or → actor（演员）
re-
-ion
-ive
-or
act
、
-ness
un-
-ful
-able
forget
forget + -ful → forgetful（健忘的）
forget + -able → forgettable（易被忘记的）
forget + -ful + -ness → forgetfulness（健忘）
un- + forget + -able → unforgettable（难忘的）
-ive
-ly
effect
effect + -ive → effective（有效的）
effect + -ive + -ly → effectively（有效地）
effect + -ive + -ness → effectiveness（有效性）
、
Prefix Word Class It Attaches To Meaning Example
re- verbs again, once more act → react
un- adjectives not, the opposite of forgettable → unforgettable
How much do you know about these affixes
Challenge: Create More Words!
re-
un-
write → rewrite turn → return use → reuse
start → restart view → review act → react
happy → unhappy fair → unfair able → unable
forgettable → unforgettable kind → unkind true → untrue
Brainstorm
、
Suffix Word Class Shift (Original → New) Meaning Example
-ion verb → noun the action, state or result of an action act → action
-ive verb/noun → adjective having the quality of; tending to act → active; effect → effective
-or verb → noun person or thing that performs the action act → actor
-ful noun/verb → adjective full of; having a lot of forget → forgetful
-able verb → adjective able to be; fit to be forget → forgettable
-ness adjective → noun a state or quality forgetful → forgetfulness; effective → effectiveness
-ly adjective → adverb in a ... way effective → effectively
How much do you know about these affixes
-ion/-ness是名词
-ful/-able/-ive是形容词
-ly一加变副词
、
Challenge: Create More Words!
-ion/-ness
-ful/-able/-ive
-ly
act → action
create → creation
educate → education
discuss → discussion
happy → happiness
kind → kindness
dark → darkness
weak → weakness
care → careful
hope → hopeful
pain → painful
enjoy → enjoyable
read → readable
wash → washable
attract → attractive
impress → impressive
protect → protective
quick → quickly
slow → slowly
clear → clearly
gentle → gently
quiet → quietly
easy → easily
、
Complete the sentences with the correct forms of the words from the word cloud.
2b
address likely react position case effective
1.The customer __________ badly to the price increase.
2.Starting over is not easy, but it is necessary in my _____.
3.His memory technique is simple but __________.
4.The man has lost a lot of blood. He is _______ to die from his wounds if not treated at once.
reacted
case
effective
likely
不及物动词，常搭配介词 to，表示 “对……作出反应”。
表示 “情况；状况”，固定搭配in one’s case意为 “就某人的情况而言”。
表示 “有效的”，在句中作表语/定语，与but前的simple构成转折。
固定搭配be likely to do sth表示 “很可能做某事”。
die from/of 死于…
n. 增长
、
Complete the sentences with the correct forms of the words from the word cloud.
2b
address likely react position case effective
5.Our hotel is in a great _______ near the central mall.
6.I can’t recall which notebook I wrote your email _______in.
position
address
表示 “位置”，句中 “in a great position” 指 “处于好的位置”。
表示 “地址”，此处email address是固定搭配，指 “电子邮箱地址”
mall 购物商场
、
The customer reacted badly to the price increase.
顾客对这次涨价反应很不满。
1)react to 固定短语：对……作出反应
sb react badly to sth 某人对某事反应很差/很反感
He reacted badly to the news. 他听到这个消息反应很不好。
2)increase v./n. 增长
increasing adj. 不断增长的 increased adj. 已经增长的
increase by 增加了......
increase to 增加到......
a big increase in 在......方面大幅度增加
on the increase 在增加;在上升
The price of apples increased by 20%. 苹果的价格上涨了20%。
The temperature increased to 35℃ yesterday. 昨天温度上升到了35℃。
、
、
Let’s watch the video.
New drills
Do you think animals have good long term memories
What do you think animals should keep in mind to live
wild geese in the sky
squirrels living on land
dolphins in the ocean
elephants living on land
、
Complete the sentences with the correct forms of the words from the word cloud.
2c
go through run out happen to keep in mind
经历
用完；耗尽
发生于；使遭遇
记在心中；记住
Research shows that many animals have good long-term memories. They _____________where food can be found and where it is safe. For example, when squirrels __________of food, they go straight to
keep in mind
run out
松鼠
直接前往
、
the place where they hid nuts. Every autumn, wild geese fly thousands of kilometres south for the winter. Humans do not know for sure what ____________their minds during the journey, but wild geese seldom get lost. A similar situation _________ dolphins. They can recognize voices of other dolphins—even when they have not met each other for a long time.
goes through
happens to
藏坚果
大雁
数千里
肯定；确切地
很少迷路
相似的情况
海豚
认出
、
They can recognize voices of other dolphins.
recognize (=recognise) v. 辨认出; 认可
recognition n.认出;承认
recognize sb / sth 认出/认可某人/某物
recognize ...as... 把......认作/看作......
recognize that / wh-从句 意识到;承认......
be recognized by... 被......认定 /承认
I recognized your voice on the phone. 我在电话里听出了你的声音。
He has been recognized as a talented singer.
他已被公认为有天赋的歌手。
He recognized that he made a mistake.
他意识到自己犯了错。
The painting is recognized by experts as a masterpiece.
这幅画被专家认定为杰作。
、
Answer the questions below:
What is the writer’s main idea about animals’ memory
Many animals have good long-term memories.
What examples does the writer use to support this idea
Squirrels go straight to the place where they hid nuts when food runs out.
Wild geese fly thousands of kilometres south without getting lost.
Dolphins can recognize voices of other dolphins even after a long time.
、
、
Phrases summary
react to
sb react badly to sth
start over
in one’s case
be likely to do sth
die from
be treated at once
in a great position
go through
run out of
happen to keep in mind
go straight to
for sure
get lost
对……作出反应
某人对某事反应很差/很反感
重新开始
就某人的情况而言
很可能做某事
死于…
立即治疗
处于好的位置
经历；浏览
用完；耗尽
发生于；使遭遇
记在心中；记住
径直走向
肯定；确切地
迷路
、
Exercise
一、语法填空。
We find that the fish in the lake are __________ (increase) because the water is getting clearer.
This kind of medicine is ________ (effect) for people with colds.
Look! Your arm is __________ (blood) ! What’s the matter
She ___________ (recognize) him at first sight though they hadn’t met for years.
We should take care of the _________ (wound) animals after the earthquake.
He was disappointed that his best friend didn't ________ (act) to his wedding invitation for weeks.
She uses a notebook __________ (record) her daily life.
The number of students has increased _____ 200 in the past year. (填介词)
increasing
effective
bleeding
wounded
recognized
react
to record
by
、
二、翻译。
1.就我的情况而言，晚上记忆力更好。
_____ _____ _____, I have a better memory at night.
2.这座建筑被认为是该市的历史地标。
This building _____ _________ _____ a historical landmark in the city.
3.记住，遇到困难不要放弃。
_____ _____ _____: don’t give up when you meet difficulties.
4.这个女孩对这个建议反应很反感.
The girl_____ _____ _____ this suggestion.
5.纸巾用完了，请买多点。
We have _____ _____ _____paper. Please buy some more.
In my case
is recognized as
Keep in mind
reacted badly to
run out of
Homework
基础作业：抄写本课核心词汇，重点词组各3遍，并各造一个句子。
进阶作业：整理act/forget/effect三个单词的单词家族，各仿写2个例句；
拓展作业：选用本节课4个短语，写一段80词左右小短文介绍一种小动物。

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