5. ______ book on the desk is _______ useful one. A. The...an B.A...a C. The...a D. The.../ 6 My good friend Liqing studies at ______ Middle School.
A. 18 B. the 18 C. 18th No. D. No.18
4. -By the way, have you got ________ E-mail address?
-Oh, yes, it’s cthsc @.
A. the B. an C. a D. /
3. For a long time they walked without saying _____ word. Jim was the first to break _____
silence.
A. the...a B. a...the C. a.../ D. the.../
2. They had ___wonderful train ride to Chengdu before they went on to ___Mount Emei by bus. A. a…the B. /… the C. a…/ D. the…a
例1、I earn 10 dollars_________ hour as _________ supermarket cashier on Saturdays.
A. a...an B. the...a C. an...a D. an...the
答案為C。
[解析] hour以元音開頭,前面加不定冠詞an,an hour“每小時”;a表示“一個”,放在supermarket cashier前面表示類指,說明屬哪類人。譯文:星期六我作為超市出納員每小時掙10美元。a/an的用法規(guī)則:以元音音素開頭的單詞前用an,以輔音音素開頭的單詞前用a。
例2、One way to understand thousands of new words is to gain________ good knowledge of basic word formation.
A. / B. the C. a D. one
答案為C。
[解析] knowledge是不可數(shù)名詞,當被某些修飾語修飾時,前面要加不定冠詞,如:He has a very good knowledge of English.他在英語方面有豐富的知識。
例3、Alexander Graham Bell invented ________telephone in 1876.
A. / B. a C. the D. one
答案為C 。
[解析] the+可數(shù)名詞單數(shù)表示一類泛指。
例4、The cakes are delicious. He'd like to have ________ third one because _______ second one is rather too small.
A. a…a B. the…the C. a…the D. the…a
答案為C。
[解析] 注意序數(shù)詞前面的冠詞的用法:當序數(shù)詞表示順序時用定冠詞the;表示再來一次使用不定冠詞a (an)。從句子的意思可知,third one表示再吃一個,所以填a;second one表示所吃的第二個,所以填the。這句話的意思是:蛋糕很好吃。他想再吃一個,因為他吃的第二個太小了。
例5、A bullet hit the soldier and he was wounded in ________leg.
A. a B. one C. the D. his
答案為C。
[解析] 傷及某人某部位或拍、打、拉某人某部位要用句式wound/bit/beat/pat/take+sb+介詞+the+部分。譯文:子彈擊中了戰(zhàn)士,他的腿受了傷。
例6、________people in the world are sending information by email every day.
A. Several million B. Many million C. Several millions D. Many million
答案為A。
[解析] 在million,hundred等前如果有具體數(shù)字或several等詞時,要用單數(shù)形式。many一般不與million等詞連用。在表示不確切數(shù)目時用復數(shù),例如:表示“數(shù)百萬”,英語為millions of。譯文:每天,世界上有百十萬人通過email傳遞信息!
例7、________ of the land in that district ________covered with trees and grass.
A. Two fifth...is B. Two fifth...are C. Two fifths...is D. Two fifths...are
答案為C。
[解析] 分數(shù)的分子用基數(shù)詞,分母用序數(shù)詞表示。如果分子大于1,序數(shù)詞后加-s。分數(shù)和百分比作主語時,謂語動詞的形式取決于分數(shù)和百分數(shù)后的名詞。句子中的主語land是單數(shù),所以謂語動詞要用is covered!
例8、Paper produced every year is ________ the world's production of vehicles.
A. the three times weight of B. three times the weight of
C. as three times heavy as D. three times as heavier as
答案為B。
[解析] 表示倍數(shù)的詞數(shù)放在the weight of前,意思是“……重量的幾倍”!
例9、 An accident happened at_________ crossroads a few metres away from_______ bank.
A. a…a B. /…a C. /…the D. the…/
答案為A。
[解析] at a crossroads表示“在十字路口”,crossroads“十字路口”是復數(shù)形式單數(shù)用法;bank是可數(shù)名詞,不能單獨使用(要加冠詞或復數(shù)),又非特指,不能用the。此處是泛指,前面要用不定冠詞a。
例10、Smith _____ me to buy several _____ eggs for the dinner
A、asked…dozen B、suggested…dozens of
C、had…dozen D、persuaded…dozens of
答案為A。
[解析] “dozen +復數(shù)名詞”前除了用具體數(shù)詞修飾外,還可以用several, many 修飾,如several dozen people, many dozen students等,dozen 不加s。
第三節(jié) 鞏固練習
Direction: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the best answer that completes the sentence.
1. It takes us ________ hour or more to go to my hometown by ________ train. A. an…a B. a…an C. an… / D. a…/
4、dozens of, scores of, hundreds of, millions of, tens of thousands of, hundreds of thousands of, tens of millions of等結(jié)構(gòu)可用來表示不確定的數(shù)量.
例如:Hundreds of thousands of people are going to watch the fireworks in the Central Park.
She bought dozens of eggs last week.
3、several 或基數(shù)詞修飾 hundred, thousand, million 表示計數(shù)時,一般不用復數(shù)形式.
例如:several hundred students watched the match.
1、如兩個形容詞都有冠詞,表示兩個不同東西。 例如:My grandpa raises a black and a white dog. 我爺爺養(yǎng)了一只黑狗和一只白狗。 The black and the white dogs are his. 這只黑狗和白狗都是他的。 2、如后一個形容詞無冠詞,則指一物。 例如:My grandpa raises a black and white dog. 他養(yǎng)了一只黑白花狗。
第二節(jié) 實戰(zhàn)演練
(四)分數(shù)、小數(shù)、百分比、倍數(shù)、四則運算的表示方法
類別 |
說明 |
例詞或例句 |
分數(shù) |
分子用基數(shù)詞,分母用序數(shù)詞,分子大于1,分母的序數(shù)詞用復數(shù)。 |
1/2 讀作 a (one) half 1/3 讀作 a (one) third 1/4 讀作a (one) quarter或a (one) fourth 4/5 讀作four fifths 4 2/3 讀作four and two thirds Two thirds of the earth surface is covered by water.(地球表面的三分之二覆蓋著水) |
小數(shù) |
小數(shù)點讀作point。小數(shù)點后面各數(shù)都按個位基數(shù)詞讀;小數(shù)點前面仍按基數(shù)詞讀。零讀作o或zero. |
0.7 讀作zero point seven 25.25 讀作twenty-five point two five |
百分比 |
百分比由基數(shù)詞+percent組成 ( % ) |
2% 讀作two percent 44% 讀作forty-four percent 100% 讀作one hundred percent More than 25 percent of the surface of the ground is covered with grass. 百分之二十五以上的地面被草覆蓋著。 |
倍數(shù) |
(1)
倍數(shù)+as+形(副)原級+as (2) 倍數(shù)+形(副)比較級+than (3) 倍數(shù)+ the size(length , height , width , etc .)+ of (表示大小或數(shù)量的名詞) |
This room is three times as large as that one . This room is two times larger than that one. This room is three times the size of that one . 注意:上述三個結(jié)構(gòu)的意義是相同的。 漢譯表達: 這間房是那間房的三倍大 。 |
加、減、乘、除四則運算 |
用基數(shù)詞表示 加號用plus / and 減號用minus 乘號用times 除號用divided by |
9+8=17, 讀作 Nine plus (and) eight is seventeen. 11-5=6 , 讀作 Eleven minus five is six. 6×5=30, 讀作 Six times five is thirty. 35÷7=5, 讀作 Thirty-five divided by seven is five. |
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