同步語法思維導(dǎo)圖-Unit 3 基數(shù)詞

1、同步語法思維導(dǎo)圖-Unit 3 基數(shù)詞【知識導(dǎo)圖】【要點(diǎn)拓展】1.與可數(shù)名詞連用表示數(shù)量。There are 12 boys in the park.公園里有12個(gè)男孩。2.與可數(shù)名詞連用表示重量、距離、價(jià)格。These books are 125 dollors.這些書125美元。The school is three kilometres away from my home.學(xué)校距我家3公里遠(yuǎn)。3.表示編號，名詞在前，基數(shù)詞在后，如Room 708，Bus No.1014.表示年齡。The girl is four.女孩四歲了。5.表示數(shù)字運(yùn)算。Three and eight is ele

2、ven.三加八等于十一?！酒嫠记捎?jì)】基數(shù)詞并不難，12以內(nèi)形各異；13到19，結(jié)尾均是-teen；20到90，尾隨-ty就可以； 幾十幾有“-”，莫忘記?！就綑z測】1There are _ (44) students in our class.【答案】forty-four【解析】【詳解】句意：我們班有四十四名學(xué)生。表示數(shù)量的多少用基數(shù)詞；forty-four：四十四，基數(shù)詞；故填forty-four。2The purple sweater is _ (五十) dollars.【答案】fifty【解析】【詳解】句意：這件紫色毛衣五十美元。五十：fifty，基數(shù)詞，表示數(shù)量。故填fifty。3T

3、he writer has got _ (數(shù)百封) letters from his readers.【答案】hundreds of【解析】【詳解】句意：這位作家收到了數(shù)百封讀者來信。 數(shù)百： hundreds of，固定短語；hundreds of letters數(shù)百封信；此處表示概數(shù)。故填hundreds of。4So far, _（千）of people died of COVID-19.【答案】thousands【解析】【分析】【詳解】句意：到目前為止，成千上萬的人死于新冠肺炎?！扒А庇⑽谋磉_(dá)是thousand，名詞，thousandsof“成千上萬的”，是固定短語，表示概數(shù)，故填th

4、ousands。5_ hundred and twenty people attended the meeting.【答案】A#One【解析】【詳解】句意：120人參加了會議?；鶖?shù)詞120的英文表達(dá)為a/one hundred and twenty；設(shè)空處在句首，單詞首字母要大寫。故填A(yù)/One。6There are s_ days in a week.（根據(jù)首字母填空）【答案】(s)even【解析】【詳解】句意：一個(gè)星期有七天。.結(jié)合常識及首字母提示，此處指七天。seven七，基數(shù)詞，表示數(shù)量，故填(s)even。7There are over two _ (hundred) student

5、s in our school.【答案】hundred【解析】【詳解】句意：我們學(xué)校有超過兩百個(gè)學(xué)生。two二，表示具體數(shù)字；hundred百，與具體數(shù)字連用時(shí)，不加s，不加of。故填hundred。8I have _ (hundred) of books in my study.【答案】hundreds【解析】【詳解】句意：我的書房里有幾百本書。數(shù)詞的表達(dá)方式：表示確切的數(shù)字，用基數(shù)詞+數(shù)詞單數(shù)；表示概數(shù)，用數(shù)詞復(fù)數(shù)+of。此處是表示概數(shù)，此空應(yīng)填hundreds，故填hundreds。9_ (Hundreds; Hundreds of) students visit this Nation

6、al Museum at the Spring Festival.【答案】Hundreds of【解析】【詳解】句意：春節(jié)的時(shí)候，數(shù)百名學(xué)生參觀了這座國家博物館。hundreds of數(shù)百的，固定搭配，所以此處應(yīng)用hundreds of，表示“數(shù)百名學(xué)生”。hundreds表達(dá)錯(cuò)誤。故填hundreds of。10一年有365天。There are _ days in a year.【答案】three hundred and sixty-five【解析】【詳解】根據(jù)中英文對比分析可知，此處缺失內(nèi)容為“365”，其英文為three hundred and sixty-five。故填three h

7、undred and sixty-five。【真題鏈接】（2021濱州中考）11China is a great country with a history of about five _ years.Yes. And _ of foreigners come to visit it every year.Athousand; thousandBthousands; thousandsCthousand; thousandsDthousands; thousand【答案】C【解析】【分析】【詳解】句意：中國是一個(gè)有著約五千年歷史的偉大國家。是的。每年都有成千上萬的外國人來參觀。考查數(shù)詞。根據(jù)

8、第一空前“five”可知，與具體數(shù)字連用時(shí)，表示大數(shù)的單詞通常不加s，所以第一空用thousand，排除選項(xiàng)B和D。結(jié)合答句語境可知，當(dāng)大數(shù)表示不確定的泛指時(shí)，則不僅要加s且要后接of，這樣才能接名詞，構(gòu)成“thousands of成千上萬”。故選C。（2021銅仁中考）12There are _ floors in this building. He lives on the _ floor.Athirty; nineBthirtieth; nineCthirtieth; ninthDthirty; ninth【答案】D【解析】【分析】【詳解】句意：這座樓有三十層。他住在第九層?？疾閿?shù)詞。thirty三十；thirtieth第三十；nine九；ninth第九。根據(jù)句意可知，第一個(gè)空說的是這座樓有多少層，應(yīng)用基數(shù)詞；第二個(gè)空表示“第幾層”，應(yīng)用序數(shù)詞。故選D。（2021西藏中考）13Qomolangma is the highest mountain in the world. It is over eight _ meters high.Athousands ofBthousand ofCthousandsDthousan