1、單元語(yǔ)法聚焦七一、序數(shù)詞含義-表示順序的數(shù)詞叫序數(shù)詞。.從第1到第3為特殊形式,即：first, second, third.從第4到第19,序數(shù)詞由基數(shù)詞加th構(gòu)成（除去八，九，五，十二）。 如：fourth, eighteenth等。.八去t,九去e,五、十二用侏把ve替。即：eighth, ninth, fifth, twelfth.從20到90以ty結(jié)尾的數(shù)，十位數(shù)把y改成i,再加-eth。如：twentyftwentieth. 100的序數(shù)詞為hundredth。.其余的兩位數(shù)或多位數(shù)只將個(gè)位改為序數(shù)詞，其余的局部用基數(shù)詞表示。如: thirty-sixth, one hundred

2、 and eighth二、it的用法語(yǔ)法ii練I .單項(xiàng)選擇()1.2019武威、白銀 September is the month of the year.A.seventhB.eighthC.ninthD.tenth()2.2018邵陽(yáng) My daughter is years old. Today is her birthday.A.nine; ninethB.nine; ninthD. nine; nineD. nine; nineC. ninth; nine()3.2018綏化改編 This is my day to be here.A. a secondB. the secondC

3、. secondD. an second()4.2019哈爾濱改編一Well celebrate the National Day this year.-Thafs really exciting.A.seventyB.seventeenC.seventiethD.seven()5.2018遂寧 Its time for me to visit the Guanyin Lake.A.fiveB.the fiveC.fifthD.the fifth()6.Iin looking for my English book, but I cant find.A. itB. oneC. thisD. t

4、hat( )7.The computer is beside the desk. Can you find?A. themB.herC.itD. one()8.is sunny.Lets go mountain climbing.A. ThisB.ThatC.ItD. They【根據(jù)句意，用適當(dāng)?shù)臄?shù)詞填空J(rèn)une is the month of the year.December is the month of the year.There are days in a week.August is the month of the year.2019南京一Where are our seats, Henry?We should sit in the(five) row(排).答案I .l.CB 表示“歲”用基數(shù)詞,表示“第個(gè)生日”用序數(shù)詞;nine的序數(shù)詞為ninth0 應(yīng)選B。C句意：這是我在這兒的第二天。當(dāng)序數(shù)詞前有限定詞時(shí)，不再用定冠詞the。故