專題復(fù)習(xí)----數(shù)詞中考出現(xiàn)頻率：選擇題8年3考，詞匯運(yùn)用8年4考，重要指數(shù)：考點(diǎn)思維導(dǎo)圖考點(diǎn)一 基數(shù)詞1.基數(shù)詞的基本形式(1)1—12獨(dú)立成詞,需逐個(gè)記憶。one two three four five six seven eight nine ten eleven twelve(2)13—19的基數(shù)詞以-teen結(jié)尾。thirteen fourteen fifteen sixteen seventeen eighteen nineteen(3)表示“整十”的基數(shù)詞(20—90)都以-ty結(jié)尾。twenty thirty forty fifty sixty seventy eighty ninety(4)表示百，千，百萬(wàn)，十億的基數(shù)詞寫(xiě)法hundred thousand million billion2.基數(shù)詞的其他表達(dá)形式考點(diǎn)一 基數(shù)詞(1)21—99的寫(xiě)法是在十位和個(gè)位中間加連字符“-”。36　 97thirty-six ninety-seven(2)101—999的構(gòu)成是在百位和十位之間(若十位為零,則在百位和個(gè)位之間)用and連接。601755six hundred and oneseven hundred and fifty-five(3)四位數(shù)或者四位數(shù)以上的基數(shù)詞的拼寫(xiě)規(guī)律:從右往左每三位加一個(gè)逗號(hào),第一個(gè)逗號(hào)讀作thousand(千),第二個(gè)逗號(hào)讀作million(百萬(wàn)),第三個(gè)逗號(hào)讀作billion(十億)。2.基數(shù)詞的其他表達(dá)形式9429594,295ninety-four thousand two hundred and ninety-five(4)“基數(shù)詞-單數(shù)名詞”相當(dāng)于復(fù)合形容詞,只能作定語(yǔ),用于表示時(shí)間、距離等。步行10分鐘的路程a ten-minute walk (5)“基數(shù)詞+more”與“another+基數(shù)詞”意義相同,表示“再……;另外……”。另外兩天two more days=another two days考點(diǎn)二 序數(shù)詞大多數(shù)序數(shù)詞由“基數(shù)詞 -th”構(gòu)成以y結(jié)尾的整十基數(shù)詞變序數(shù)詞,要變y為ie,再加-th20以上的非整十基數(shù)詞變序數(shù)詞,要將末位數(shù)改成序數(shù)詞,其他位數(shù)仍用基數(shù)詞four—fourththirtyfifty—thirtieth—fiftieth thirty-one—thirty-first考點(diǎn)二 序數(shù)詞onetwothreefiveeightninetwelve—first—second—third—fifth—eighth—ninth—twelfth 【巧學(xué)妙記】基變序,有規(guī)律,詞尾加上-th;一、二、三,特殊記,結(jié)尾字母t, d, d(first, second, third); 8去t(eighth), 9去e(ninth), ve要用f替(fifth, twelfth); 遇y變ie,然后再加-th; 若是遇到“幾十幾”,只變個(gè)位就可以?？键c(diǎn)二 序數(shù)詞考點(diǎn)三 數(shù)詞的表達(dá)方式考點(diǎn)三 數(shù)詞的表達(dá)方式練一練2021年3月12日：三分之一：　三分之二：5點(diǎn)鐘：7點(diǎn)5分：7點(diǎn)40分：第62頁(yè)在20世紀(jì)70年代 在他四十多歲時(shí)March 12, 2021one third two thirds five (o’clock) five past seven twenty to eight Page 62the sixty-second page in the 1970s in his forties 考點(diǎn)四 數(shù)詞的注意事項(xiàng)1.hundred, thousand, million前有基數(shù)詞修飾時(shí),表示確數(shù),其后不加“-s”,也不與of連用;但表示“數(shù)百、數(shù)千、數(shù)百萬(wàn)”這樣的概數(shù)時(shí),后面加“-s”,并與of連用。教室里有200人。There are two hundred people in the classroom.每年有成千上萬(wàn)的人到海灘去。_______________ people go to the beach every year.Thousands of 考點(diǎn)四 數(shù)詞的注意事項(xiàng)2.序數(shù)詞在使用時(shí),通常前面要加定冠詞the;但如果序數(shù)詞前出現(xiàn)不定冠詞a或an,則表示“再一;又一”;當(dāng)序數(shù)詞前有物主代詞時(shí),不需加the。我們已經(jīng)試過(guò)兩次了。我們必須再試一次(第三次)嗎?We’ve tried it twice. Must we try it _____________?a third time3.以下復(fù)合形容詞中的名詞要用單數(shù)形式。(1)基數(shù)詞-名詞(單數(shù)) 兩小時(shí)的車(chē)程 two-hour drive (2)基數(shù)詞-名詞(單數(shù))-形容詞 一個(gè)8歲的男孩 an 8-year-old boy考點(diǎn)四 數(shù)詞的注意事項(xiàng)宿遷真題練 [2017?14]—Mum, _______of my classmates___________ glasses. —Oh, my God. You need to protect your eyes well.A.three-fourths; wears B.three-fourth; wearC.three-fourth; wears D.three-fourths; wear—Uncle Li has worked as a surgeon since he graduated _________. —He is hard-working, though he is _________ now. A.in the 1990s; in his forties B.in 1990s; in his forties C.in the 1990; in his forty D.in the 1990s; in his fortieth DA2.We gave away_______books to the school library last year. A.six hundreds B.six hundredC.six hundreds of D.six hundred of3.—Excuse me, sir. Here’s a package for Lin Tao. Which room does he live in?—　___________. A.308 Room B.Room 308C.The Room 308 D.The 308 Room4.—Where do you live?—I live on the _____floor in Building______in the Garden Community. A.nine; Five B.ninth; FifthC.nine; Fifth D.ninth; FiveBBD5.—Excuse me, Mary. Can you read “5,128” in English?—Yes, certainly. ____________. A.Five thousands one hundred and twenty-eight B.Five thousand and one hundred and twenty-eight C.Five thousand one hundred and twenty-eight D.Five thousands one hundred and twenty eight 6.So far, COVID-19 has killed _________people all over the world. All the countries should be united to fight against this disease. A.million of B.millions ofC.a million of D.millionsCB7.—My watch says“1:57”. How do you say it in English?—It is ___________. A.one past fifty-seven B.fifty-seven past oneC.three to one D.three to two 8.My home isn’t far from my school. It’s just about __________walk. A.a twenty-minute B.twenty minutesC.twenty minute’s D.a twenty-minutes’DA9.Please turn to Page________and look at the picture on it. A.Eighty B.the eightiethC.Eightieth D.Eighties10.In the past _________years, great changes have taken place in China. We Chinese are proud of our achievements. A.fourty B.fortyC.fortieth D.fourtiethAB1.The young couple have already had two children and they are planning to have a ________(three) child. 2.July 1, 2021 was the one ________(hundred) birthday of the Communist Party of China. We held a lot of activities to celebrate it. 3.There are ________(hundred) of people gathering there. What’s happening? 4.Twelve people will come to the meeting. We need another _______(four) chairs in the meeting room. 5.December is the ________(twelve) month of the year. It becomes cold in North China. thirdhundredthhundredsfourtwelfth6.Many toys are harmful to children’s health. Parents should think _________(two) before buying them. 7.The doctor told you to take this medicine ________(one) a day and have a good rest in bed. 8.He took part in the marathon last week and came________ (twenty-two). 9.There are about 1.4___________(billion) people in China. China still has the largest population of the world. 10.The gravity on Mars is only about ________(three eight) of that on the Earth. twiceoncetwenty-secondbillionthree eighths

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