Unit 1 How tall are you?一、 核心詞匯互為反義詞的比較級(jí)：shorter更矮的/更短的 taller更高的/longer更長(zhǎng)的older更年長(zhǎng)的 younger更年輕的thinner更瘦的 stronger更強(qiáng)壯的/heavier更重的bigger 更大的 smaller 更小的拓展詞匯形容詞比較級(jí)：1. 形容詞比較級(jí)一般情況下直接在原級(jí)詞尾加-er。如：clean cleaner；2. 以不發(fā)音的e結(jié)尾的單詞直接加-r。如： large largernice nicer；3. 以“輔音字母 + y”結(jié)尾的單詞變y為i，再加-er。如：easy easierbusy busierhappy happierfunny funnier；4. 以重讀閉音節(jié)結(jié)尾的單詞,要先雙寫(xiě)詞尾的輔音字母，再加-er。如：red redderfat fattersad sadder；5. 不規(guī)則變化。如：good betterbad worsemany morelittle less6. 多音節(jié)詞和部分雙音節(jié)詞則在詞前加more。如：beautiful more beautiful exciting more exciting二、 了解詞匯dinosaur恐龍hall大廳metre米(美式英語(yǔ): meter)than比both兩個(gè)都 kilogram千克;公斤countryside鄉(xiāng)村lower(low的比較級(jí))更低地shadow陰影;影子smarter(smart的比較級(jí))更聰明的become開(kāi)始變得;變成三、 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?邁克,你穿多大號(hào)的鞋? Size 7. 7號(hào)。3. How heavy are you?你體重多少? Im 48 kilograms. 我體重48公斤。解讀: How + 形容詞原級(jí) + be動(dòng)詞(is/are) + 主語(yǔ)?舉一反三: How old are you?你多大? Im 14/15(years old). 我14/15(歲了)。 How big are your feet?你的腳多大? I wear size 17/16. 我穿17/16號(hào)的鞋。拓展: How long is your pencil?你的鉛筆多長(zhǎng)?How long are your legs?你的腿多長(zhǎng)?How tall is the building?那棟建筑物多高?How heavy are the apples?這些蘋(píng)果有多重?4. Im thinner than you, and shorter.我比你瘦,比你矮。解讀: 主語(yǔ) + be動(dòng)詞(am/is/are) + 形容詞比較級(jí) + than + 賓語(yǔ).舉一反三: Im younger than my brother. 我比我哥哥年輕。The yellow monkey is taller than the brown one. 那只黃色的猴子比棕色的猴子高。He is stronger than us. 他比我們強(qiáng)壯。四、 了解句型1. Your feet are bigger than mine. = Your feet are bigger than my feet. 你的腳比我的(腳)大。解讀: mine是名詞性物主代詞,相當(dāng)于名詞。舉一反三: Her hair is longer than his. = Her hair is longer than his hair. 她的頭發(fā)比他的(頭發(fā))長(zhǎng)。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. 邁克的臥室比湯姆的(臥室)大。2. But I think you are heavier. 但是我認(rèn)為你更重。解讀: I think 表示“我想;我認(rèn)為”。在發(fā)表自己的意見(jiàn)時(shí),常用I think 來(lái)表示。它的否定形式為I dont think 意為“我不認(rèn)為”。舉一反三: I think its a good idea.我認(rèn)為這個(gè)主意不錯(cuò)。I dont think its a good idea.我認(rèn)為這個(gè)主意不怎么樣。3. Im taller than this one.我比這只高。解讀: 用one來(lái)指前面提到的單個(gè)人或事物