Unit 1 How tall are you?一、 核心词汇互为反义词的比较级：shorter更矮的/更短的 taller更高的/longer更长的older更年长的 younger更年轻的thinner更瘦的 stronger更强壮的/heavier更重的bigger 更大的 smaller 更小的拓展词汇形容词比较级：1. 形容词比较级一般情况下直接在原级词尾加-er。如：clean cleaner；2. 以不发音的e结尾的单词直接加-r。如： large largernice nicer；3. 以“辅音字母 + y”结尾的单词变y为i，再加-er。如：easy easierbusy busierhappy happierfunny funnier；4. 以重读闭音节结尾的单词,要先双写词尾的辅音字母，再加-er。如：red redderfat fattersad sadder；5. 不规则变化。如：good betterbad worsemany morelittle less6. 多音节词和部分双音节词则在词前加more。如：beautiful more beautiful exciting more exciting二、 了解词汇dinosaur恐龙hall大厅metre米(美式英语: meter)than比both两个都 kilogram千克;公斤countryside乡村lower(low的比较级)更低地shadow阴影;影子smarter(smart的比较级)更聪明的become开始变得;变成三、 核心句型1. How tall are you?你有多高? Im 1.64 metres. 我身高1.64米。2. What size are your shoes, Mike?迈克,你穿多大号的鞋? Size 7. 7号。3. How heavy are you?你体重多少? Im 48 kilograms. 我体重48公斤。解读: How + 形容词原级 + be动词(is/are) + 主语?举一反三: How old are you?你多大? Im 14/15(years old). 我14/15(岁了)。 How big are your feet?你的脚多大? I wear size 17/16. 我穿17/16号的鞋。拓展: How long is your pencil?你的铅笔多长?How long are your legs?你的腿多长?How tall is the building?那栋建筑物多高?How heavy are the apples?这些苹果有多重?4. Im thinner than you, and shorter.我比你瘦,比你矮。解读: 主语 + be动词(am/is/are) + 形容词比较级 + than + 宾语.举一反三: Im younger than my brother. 我比我哥哥年轻。The yellow monkey is taller than the brown one. 那只黄色的猴子比棕色的猴子高。He is stronger than us. 他比我们强壮。四、 了解句型1. Your feet are bigger than mine. = Your feet are bigger than my feet. 你的脚比我的(脚)大。解读: mine是名词性物主代词,相当于名词。举一反三: Her hair is longer than his. = Her hair is longer than his hair. 她的头发比他的(头发)长。Your bag is heavier than mine. = Your bag is heavier than my bag. 你的包比我的(包)重。Mikes bedroom is bigger than Toms. = Mikes bedroom is bigger than Toms bedroom. 迈克的卧室比汤姆的(卧室)大。2. But I think you are heavier. 但是我认为你更重。解读: I think 表示“我想;我认为”。在发表自己的意见时,常用I think 来表示。它的否定形式为I dont think 意为“我不认为”。举一反三: I think its a good idea.我认为这个主意不错。I dont think its a good idea.我认为这个主意不怎么样。3. Im taller than this one.我比这只高。解读: 用one来指前面提到的单个人或事物