Unit 1 How tall are you?IntroduceA: Hello. Boys and girls .I’m happy to see you again. By the way, how old are you now?A: Yes .We are one year older than before. How old are you?B: I’m 12 years old.A: What about you ?B: I’m 12, too.A: Oh, I’m 22. I’m ten years older than you.Wordshall [hɔ:l]作名词,意为“大厅,前厅,过道,门厅,走廊”。形近词有 hill ,意为“小山”。eg: The hall is bad in sound. 这个大厅音响效果很差。小练习:根据首字母填空: People crowded into the h______.hall拓展 : exhibition hall 展览厅; in the hall 在大厅里;在饭厅Wordsmetre ['mi:tə(r)]作名词,意为“米”,是英式英语的写法;其美式英语写作: meter 。也可意为“ ( 诗歌的 ) 韵律,格律”。 eg: It is only the first metre that matters. 最初的这一米才是关键。小练习:单项选择: --How tall are you? --I’m 1.64 _____. A. metre B. meter C. metresCWordsthan [ðən]作连词,意为“比(用于形容词、副词的比较级之后)”。 eg: Your father is older than mine. 你的爸爸比我的爸爸岁数大。小练习:单项选择: She looks __________ than she is. A. young B. old C. younger CWordsboth [bəʊθ]作代词,意为“两个都”。eg: Both of us knew it. 我们两个都知道这件事。小练习: 根据首字母填空: B of the boys over there are my good friends. Both拓展:( 1 )形容词, 意为“两者”。 ( 2 )代词,意为“ 两者”。 ( 3 )副词,意为“两者都’。ExpressionsThat’s the tallest dinosaur in this hall. 那是这个厅里最高的恐龙。 ( 1 )主语 + 谓语(系动词 / 行为动词) + the + 最高级 + 名词 + 表示比较范围 的介词短语或从句(表示比较范围的介词一般有 of 和 in )。 eg: She is the cleverest girl of the three. 她是三个女孩中最聪明的一个。Expressions(2) 表示“最…之一”的句式: one of the +. 最高级 + 名词复数; eg: Jim is one of the best students in his class. 吉姆是他班上最好的同学之一。(3)“the + 序数词 + 最高级”表示“第几个最…...