内容正文:
Unit 4
The Wonders of Nature
金牌导学案
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Period 3 Grammar Focus(4a-4d)
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单元语法讲练
课堂小测
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一、形容词和副词的最高级的构成
构成方式 例词
规则变化 单音节词和部分双音节词 一般情况下,在原词后加-est quick→quickest
fast→fastest
以不发音字母e结尾的单音节词在原词后加-st late→latest
large→largest
以辅音字母加y结尾的双音节词,变y为i,再加-est heavy→heaviest
early→earliest
Period 3 Grammar Focus(4a-4d)
单元语法讲练
3
构成方式 例词
规则变化 单音节词和部分双音节词 重读闭音节结尾的词,要双写末尾的辅音字母,再加-est fat→fattest
thin→thinnest
部分双音节与多音节词 在原词前面加most careful→most careful
quickly→most quickly
续表
Period 3 Grammar Focus(4a-4d)
单元语法讲练
4
构成方式 例词
常见不规则变化 good/well→best
bad/badly/ill→worst
many/much→most
little→least
far→farthest/furthest
old→oldest/eldest
续表
Period 3 Grammar Focus(4a-4d)
单元语法讲练
5
二、形容词和副词的最高级的用法
句式结构 含义 例句
主语+ be动词+the+形容词最高级+表示范围的短语(in/of …) 表示“在……范围内是最……的”,用于三者或以上比较。 The Great Wall is the longest wall in the world.长城是世界上最长的城墙。
the+序数词+形容词最高级+表示范围的短语 表示 “第几…… 的” The Yellow River is the second longest river in China.黄河是中国第二长的河流。
Period 3 Grammar Focus(4a-4d)
单元语法讲练
6
句式结构 含义 例句
动词 +(the)+副词最高级+表示范围的短语(in/of …) 表示“在……范围内最……地”,用于三者或以上比较。副词前的the可省略。 He runs (the) fastest in his class.他在他的班级里跑得最快。
续表
Period 3 Grammar Focus(4a-4d)
单元语法讲练
7
句式结构 含义 例句
one of+the+形容词最高级+可数名词复数+表示范围的短语 表示 “…… 是……(范围内)最…… 的…… 之一” Mount Qomolangma is one of the highest mountains in the world.珠穆朗玛峰是世界上最高的山峰之一。
续表
Period 3 Grammar Focus(4a-4d)
单元语法讲练
句式结构 含义 例句
the+形容词最高级+名词+that+从句(从句用现在完成时) 表示 “…… 是……(迄今为止)最…… 的……” This is the best book that I have ever read.这是我读过的最好的书。
续表
Period 3 Grammar Focus(4a-4d)
单元语法讲练
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三、大数字的表达
1.英语中大数字的表达核心在于 “三位一分”(从右往左,每三位加一个逗号),并且每个“逗号”都有一个特定的名称。
第一个逗号→ thousand
第二个逗号→ million
第三个逗号→ billion
Period 3 Grammar Focus(4a-4d)
单元语法讲练
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2.读法规则:
分节朗读:按逗号分成的节,从左到右依次读出每节的三位数,再加上该节的单位(billion,million,thousand)。
百位与十位:节内百位和十位(或个位)之间通常用and连接(英式英语更常用)。十位和个位之间用连字符“-”连接。
Period 3 Grammar Focus(4a-4d)
单元语法讲练
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一、单项选择。
1. Mount Qomolangma is ________ mountain in the world.( )
D
A.high B.higher C.highest D.the highest
2. This is ________ book I have ever read.( )
D
A.interesting B.more interesting
C.most interesting D.the most interesting
3. The Amazon River is one of the ________ rivers in the world.( )
C
A.long B.longer C.longest D.most long
Period 3 Grammar Focus(4a-4d)
课堂小测
12
4. She sings ________ of all the students.( )
B
A.the most beautiful
B.the most beautifully
C.more beautifully
D.beautifully
5. Which number is read as “nine million,three hundred thousand”?( )
A
A.9,300,000 B.9,030,000 C.9,003,000 D.9,000,300
Period 3 Grammar Focus(4a-4d)
课堂小测
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二、按要求完成句子。
1. The river is 6,300 kilometres long.(对画线部分提问)
______ _____ is the river?
How
long
2. Mount Qomolangma is the highest mountain in the world.(改为一般疑问句)
___ Mount Qomolangma the highest mountain in the world?
Is
Period 3 Grammar Focus(4a-4d)
课堂小测
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3. The ocean has an area of approximately one hundred and sixty-five million two hundred thousand square kilometres.(用阿拉伯数字写出画线部分)
The ocean has an area of approximately ____________ square kilometres.
165,200,000
4. She runs fast in her class.(改为最高级)
She runs ______________ in her class.
5. This is an old building.(改为最高级)
This is ____ ______ building.
(the) fastest
the
oldest
Period 3 Grammar Focus(4a-4d)
课堂小测
15
感谢聆听
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