新一輪中考復習備考周期正式開始,中考網為各位初三考生整理了各學科的復習攻略,主要包括中考必考點、中考常考知識點、各科復習方法、考試答題技巧等內容,幫助各位考生梳理知識脈絡,理清做題思路,希望各位考生可以在考試中取得優(yōu)異成績!下面是《2018中考英語知識點:數詞的基本用法》,僅供參考!
數詞的基本用法
。ㄒ唬┗鶖翟~的基本用法
1.定語
Fifty thousand London dockers are out on strike.
2.主語
數詞作主語,謂語動詞用單數。
如: Two months is quite a long time.
Five is an odd number.
3.賓語或介詞賓語
How many do you want?——Eight,please.
The city has a population of four million.
4.表語
We are altogether fourteen.
Five plus seven is twelve.
5.同位語
What work are you to assign us three?
Is there room for us two?
6.基數詞+單數名詞+形容詞構成合成形容詞。如:一個五歲的男孩a five-year-old boy;一座800米長的橋an 800-metre-long bridge;女子400米接力girls‘400-metre relay race.
7.句型:主語+is +about(大約)/ over =more than(超過)/nearly(接近)+具體數詞+metre(s)/kilometre(s)/kilo(s)long / high /tall /deep /away等。如:長江長6300公里。
The Changjiang River is 6,300 kilometres long.
8.表示“……十”的數詞的復數形式可以用來表示人的歲數或年代:
He is in his early thirties.
He died still in his forties.
This took place in the 1930s.
(二)序數詞的基本用法
1.序數詞主要用作定語,前面一般要加定冠詞(或物主代詞):
Tom is their second son.
They celebrated the 10th anniversary of the founding of the republic.
I will never give up,not even on the 1,000th or 10,000th try.
2.有時前面可以加一個不定冠詞來表示“再一”,“又一”這樣的意思:
We‘ll have to do it a second time.
Shall I ask him a third time?
When I sat down,a fourth man rose to speak.
3.First,second 等有時可用來表示“第一個人(批)”“第二個人”等:
She was among the first to come and settle in Dujiashan.
You will be the second to speak.
4.如果數字較長,序數詞總避免使用,而且讀的方法也常常簡化:
第201房間:Room 201
第319面:page 319
第一拖拉機廠:the Number I Tractor Works
第六號車廂:Carriage No.6
南京路1490號:1490 Nanjing Road
電話號碼55――2347:telephone number :55—2347
5. 在談編了號的東西時,我們可以用基數詞表示順序:
the first part——part one
the third squad——squad three
the twenty-third section——section twenty-three
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