中考英語(yǔ)專(zhuān)題復(fù)習(xí)數(shù)詞(共19張)

1、中考英語(yǔ)專(zhuān)題復(fù)習(xí)-數(shù)詞(共19張ppt)中考英語(yǔ)專(zhuān)題復(fù)習(xí)-數(shù)詞(共19張ppt)基數(shù)詞、序數(shù)詞及分?jǐn)?shù)基數(shù)詞、序數(shù)詞及分?jǐn)?shù)1.構(gòu)成2.基本用法基數(shù)詞1.構(gòu)成2.基本用法基數(shù)詞一、基數(shù)詞的構(gòu)成范圍特點(diǎn)舉例1-12特殊記four, five, eleven, twelve13-19以teen結(jié)尾thirteen, fourteen20-90整十?dāng)?shù)以ty結(jié)尾twenty, thirty21-99兩位數(shù)十位與個(gè)位用-隔開(kāi)twenty-one, eighty-three101-999百位后有and連接six hundred and fourty-two1000以上每三位用，隔開(kāi)three thousand

2、, four hundred and two1-12: one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve一、基數(shù)詞的構(gòu)成范圍特點(diǎn)舉例1-12特殊記four, fiv我來(lái)變一變個(gè)位數(shù)twothreefourfivesixseveneightnine十幾twelvethirteenfourteenfifteensixteenseventeeneighteennineteen整十?dāng)?shù)twentythirtyfortyfiftysixtyseventyeightyninety我來(lái)變一變個(gè)位數(shù)十幾整十?dāng)?shù)二、基

3、數(shù)詞的用法表示年、年代和具體時(shí)刻。I get up at six every morning.she was born in 2005.20世紀(jì)90年代：1990s/ the 1990s表示電話號(hào)碼或編號(hào)My telephone number is 2233157.He lives in Room 801.二、基數(shù)詞的用法表示年、年代和具體時(shí)刻。表示電話號(hào)碼或編號(hào)3. 用于四則運(yùn)算Two plus three is five.Five times six is thirty.4. 表示倍數(shù)Their house is three times as big as ours.3. 用于四則運(yùn)算5.

4、 表示小數(shù)和百分?jǐn)?shù) 5.6 five point six 20% twenty percent6. 表示順序時(shí)，位于名詞后，且首字母通常要大寫(xiě)。 Please turn to Page Six.5. 表示小數(shù)和百分?jǐn)?shù)當(dāng)hundred, thousand, million等前面有具體的數(shù)字，表示準(zhǔn)確的數(shù)目時(shí)，不用復(fù)數(shù)形式，也不能與of連用；但若表示數(shù)百、數(shù)千、數(shù)百萬(wàn)這樣的概數(shù)時(shí)，則需要用復(fù)數(shù)形式，且與介詞of連用。溫馨提示當(dāng)hundred, thousand, million等前面1.構(gòu)成2.基本用法序數(shù)詞1.構(gòu)成2.基本用法序數(shù)詞一、序數(shù)詞的構(gòu)成范圍特點(diǎn)舉例1-3特殊記first, secon

5、d, third4-19基數(shù)詞后加thfourth, sixth20-90整十?dāng)?shù)變ty為tie再加thtwentieth21-99兩位數(shù)十位基數(shù)詞，個(gè)位序數(shù)詞twenty-firsthundred, thousand, million基數(shù)詞后加thhundredth, billionth一、序數(shù)詞的構(gòu)成范圍特點(diǎn)舉例1-3特殊記first, sec記憶口訣基變序，有規(guī)律，詞尾加上th一二三，特殊記，結(jié)尾分別t,d,d八去t，九去e，f要把ve替整十基數(shù)變序數(shù)，先要變y為ie，th最后加上去若要變成幾十幾，只變個(gè)位就可以。記憶口訣基變序，有規(guī)律，詞尾加上th二、序數(shù)詞的用法表示順序，位于名詞前th

6、e fifth lessonthe first time表示世紀(jì)或日期in the sixth century ADJanuary 12th二、序數(shù)詞的用法表示順序，位于名詞前表示世紀(jì)或日期1.構(gòu)成2.基本用法分?jǐn)?shù)1.構(gòu)成2.基本用法分?jǐn)?shù)一、分?jǐn)?shù)的構(gòu)成讀分?jǐn)?shù)時(shí)，先讀分子，后讀分母03分子大于1時(shí)，分母用復(fù)數(shù)形式02分子用基數(shù)詞，分母用序數(shù)詞01一、分?jǐn)?shù)的構(gòu)成讀分?jǐn)?shù)時(shí)，先讀分子，后讀分母03分子大于1時(shí)，二、分?jǐn)?shù)的用法Nearly three-fourths of the surface is covered by water.“分?jǐn)?shù)+of+可數(shù)名詞單數(shù)/不可數(shù)名詞”作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)Tw

7、o-thirds of the students are boys in Class 2.“分?jǐn)?shù)+of+可數(shù)名詞復(fù)數(shù)/人稱(chēng)代詞賓格復(fù)數(shù)”作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)0102二、分?jǐn)?shù)的用法Nearly three-fourths of練習(xí)闖關(guān)( )1There are _ days in a year Athree hundred and sixty five Bthree hundred and sixty-five Cthree hundreds and sixty five Dthree hundreds and sixtyfive( )2Danny lives in _ Aroom 404

8、BRoom 404 C404 room D404 Room( )3Jim is in _ Aclass one，grade six Bgrade one，class six CClass One，Grade Six DGrade One, Class SixBBC練習(xí)闖關(guān)( )1There are _練習(xí)闖關(guān)( )1 March the _ is Womens Day. A. eighth B. ninth C. tenth D. eight( )2September is the _month of the year. A. nineth B. ninth C. nine D. the twelveth( )3December the _ is Christmas. A. twenty-five B. twenty-fifth C. twentieth-five D. twenty-five( )4The bike cost me _ y