资源简介

(共17张PPT)
Unit 4
Amazing Plants and Animals
Section A (1a-1d)&Pronunciation
Learning Objectives
In this unit, you will:
1. talk about some amazing plants and animals.
2. use superlatives to compare more than two things.
3. discuss the connection between plants, animals, and our lives.
4. explore why plants and animals are important to us.
Look and Share
What do you see in the photo
What do you think of when you see the photo
Two bees are working hard to collect nectar(花蜜).
Bees are important.They help with the pollination(授粉) so the plants can grow and flowers can make seeds(种子).
Do you know the following plants or animals
moss
blue whale
redwood tree
cheetah
What facts
do you know about these plants and animals
1a
Look at the plants and animals. Use the words in the box to talk about them.
beautiful big fast heavy large long old small tall short
e.g. Moss is small but very old.
e.g. Blue whales are big and heavy. I think they are
beautiful and elegant.
...
1b
Listen to the conversations and number the plants and animals
in la in the order you hear them.
1
2
3
4
1c
Listen again. Match the words with the plants and animals in 1a. Some have two answers.
blue whale:______________
1
blue whale:______________
3
A. heaviest B. largest C. most beautiful
D. oldest E. fastest F. tallest
A B
D
cheetah:______________
2
redwood tree:____________
4
A. heaviest B. largest C. most beautiful
D.oldest E. fastest F. tallest
F
C E
形容词 / 副词最高级变化规则
old— oldest
fast — fastest
tall —tallest
一般情况下，在词尾加-est
large — largest
fine — finest
以字母e结尾的词，在词尾加-st
heavy — heaviest
easy — easiest
early — earliest
以“辅音字母 + y”结尾的双音节词，先把y改为 i ,再加-est
形容词 / 副词最高级变化规则
big — biggest
fat — fattest
thin — thinnest
重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-est
beautiful — most beautiful
interesting — most interesting
delicious — most delicious
多音节词和部分双音节词在词前加most
不规则变化
原级 最较级
good / well best
bad / badly worst
many / much most
little least
far farthest
furthest
GOOD, BETTER, BEST
Good, better, best,
Never let it rest,
Till good be better,
And better best.
Bad, worse, worst,
Never fight against,
Get better and better,
And you’ll be the best.
1d
Ask and answer questions about the plants and animals in la.
What's amazing about the blue whale
It's the largest / biggest animal in the world.
Listen and repeat. Add one more word to each group.
1
/e / /a / / / /bl/ /kl/ /gl/ /br/ /kr/ /gr/
a,ai,ay i,y,igh oy,oi bl cl gl br cr gr
whale rain stay _____ mice fly high _____ toy join choice _____ black blow blue ____ clean climb clock _____ glad glass globe _____ bread bring brown _____ cross cream cry _____ grass
great
grow
____
day
game
wait
like
cry
light
boy
noise
block
blood
clear
class
glove
glue
brush
break
crazy
create
grade
green
I visited the redwood forests in California several times.
(not other forests)
I visited the redwood forests in California several times.
(not other places)
I visited the redwood forests in California several times.
(not only once)
Listen and repeat. Notice the difference in stress and meaning of the same sentence.
2
句子重音（Sentence Stress）
表意重音:表意重音是一种非常普遍的现象。一般来说，在句子中需重读的词都是实词，不重读的词多为虚词或结构词。
逻辑重音:逻辑重音的作用是表达说话者的意愿，说话者可以把重音放在想要强调的任何单词上。
情感重音:情感重音是一种特殊的重音。在口语中，当说话者想要表达强烈的情感时，他会把强重音放在他想要强调的词上。
Summary
Ask students to summarize what they learned in this lesson.
Homework
1.Read the conversations.
2.Make a conversation with your partner about the plants or animals you know well and write it down.

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