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(共14張PPT)
Unit 4 Amazing Plants and Animals
Section A (Grammar Focus—3c)
【學習目標】
1.學習并掌握下列詞匯：land, African, rose, peony, lotus, butterfly, wing, frog, weigh, ginkgo, province, take a walk。
2.熟練使用形容詞或副詞的最高級，談論多者之間的比較。
3. 培養學生的觀察能力。
Grammar Focus
3a
Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
Jim is the tallest boy in our class.
Peter jumps the longest among these children.
I think the most popular student in the class is Kate.
It is perhaps the most interesting movie in China.
Practice Make sentences with superlatives.
形容詞和副詞最高級的構成規則
1.規則變化
規則 例詞
單音節詞和少數雙音節詞一般在詞尾后加-est short-shortest
以字母e結尾的詞，在詞尾加-st nice-nicest
以輔音字母加-y結尾的雙音節詞，先把“y”改為“i”，再加-est happy-happiest
只有一個輔音字母結尾的重讀閉音節詞，先雙寫輔音字母再加-st hot-hottest
多音節詞，在詞前加-most interesting-most interesting
2.不規則變化
單詞 最高級
good/well best
bad/ill worst
many/much most
little least
far farthest/furthest
形容詞和副詞最高級的用法
1.表示三者或三者以上的人或物進行比較時，用最高級。形容詞的最高級前面要加定冠詞the，副詞最高級前面的the可以省略。
2.在含有最高級的句子中，常有一個in/of/among短語來表示比較范圍。
3b
Complete the sentences with the superlative forms of the word in brackets.
1.Among all animals, I like pandas best. I think they
are (cute) animals in the world.
2. Which do you think is (beautiful), the rose, the peony or the lotus flowers
3.Look at the butterfly. It has (colourful) wings.
4. Which animal jumps (high), the lion, the monkey or the tree frog
5. The elephant birds were (large) and
(heavy) birds ever on earth. Some could stand up to three metres tall and weigh up to 860 kg.
the most beautiful
cutest
the largest
the most colourful
the highest
heaviest
3c
Complete the passage with the superlative forms of the words in the box.
The ginkgo tree is one of living trees on earth. Ginkgo trees first appeared over 200 million years ago. Chinese people love the ginkgo, as it is a symbol of hope and long life. Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is . This tree is over 1,400 years old. Thousands of tourists come to see it each year, especially in mid-October, as it is time to see it. The ginkgo tree is one of trees in streets, parks, and gardens across China. When autumn comes, one of activities is to take a walk under ginkgo trees. People believe the bright yellow leaves can bring joy to their heart.
ancient beautiful common good popular
the most ancient
the most common
the best
the most beautiful
the most popular
【課堂小結】
1.形容詞和副詞最高級的構成規則
2.形容詞和副詞最高級的用法
Ⅰ.寫出單詞或短語
1. 降落；著陸 ________
2. 蝴蝶 ______
3. 有· · · · · ·重；稱重量 _______
4. 省份______
5. 非洲的；非洲人的 ________
6. 玫瑰；薔薇 ________
7. 散步 ________
【訓練·評價】
weigh
province
land
butterfly
African
take a walk
rose
II.用所給單詞的適當形式填空
1. I saw many_______ (butterfly) in the forest.
2. Who is__________(short), Tom, John or Bob
3. Gina runs__________ (fast) among these girls.
4. Some ________(Africa) cities are richer than before.
5.One of its_____(wing) hurt badly.
the shortest
butterflies
the fastest
African
wings
III.選擇恰當的單詞補全對話
A: Who is ___________ in your class
B: Of course Mary. She is afraid to speak in front of people.
A: Who is__________of you
B: John is. He is about 1.85 meters tall.
A: Who is__________in your class
B: Frank. He is about 85 kg.
tall, shy, heavy
The shyest
the heaviest
the tallest
A single flower does not make a spring.
一花獨放不是春。

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