數(shù)詞復習課件

1、數(shù)詞復習-數(shù)詞復習-數(shù)詞的構成基數(shù)詞序數(shù)詞112有各自獨立的形式。13-19都是相對應39加上teen構成，特殊拼寫的詞有thirteen, fifteen, eighteen。2090都以-ty結(jié)尾，特殊拼寫的有twenty, thirty,forty, eighty。2199,整數(shù)十位數(shù)各位數(shù)，中間有“”。百位數(shù)，由百位數(shù)and+兩位數(shù)組成。13分別為first,second,third 。419都是在后面加上th,特殊的有fifth,eighth, ninth,twelfth。2090把y變成ie然后加th,如twentieth。2199的序數(shù)詞變后面的各位數(shù)。序數(shù)詞可以用縮寫，如1st

2、, 2nd, 3rd ,4th-數(shù)詞的構成基數(shù)詞112有各自獨立的形式。13分別為fir基本用法：1.基數(shù)詞：表示精確數(shù)字時，hundred,thousand,million,billion后面都不用變化。但是在表示幾百，幾千等模糊概念時，這些詞后面要加上s和of,如：hundreds of.2.數(shù)詞一般是用作單數(shù)的，但是特殊情況也有復數(shù)的用法：a.在表示一排或者一組的情況下：They arrived in twos and threes.b.表示幾十歲：the forties41-49c.表示年代：in the 1920s3.基數(shù)詞兼有名詞和形容詞的功能：Nine of them are f

3、rom Greece.They work ten hours a day.4.序數(shù)詞主要用作定語。一般要加the.Our classroom is on the third floor.The first part of the story is not interesting.-基本用法：1.基數(shù)詞：表示精確數(shù)字時，hundred,tho5.序數(shù)詞也可以用作副詞，When did you first see him?Which horse came in first?6.基數(shù)詞也能表示順序，如書刊的卷、章、節(jié)、頁的數(shù)目，住所、房間、教室、電話號碼等等。Volume Two, Chapter

4、Four, Section Six, Page Eight, Room 3047.序數(shù)詞前面一般要加the,但是也有不加的情況， 這個時候表示“又一，再一”的意思。 They had a second child in 1988.上面的a second 可以用another 代替。-5.序數(shù)詞也可以用作副詞，6.基數(shù)詞也能表示順序，如書刊的卷8.時間和日期的表示法年、日、時刻表達方法?！澳辍庇没鶖?shù)詞，“日”用序數(shù)詞，前要加定冠詞。讀的順序是月日年。如：1999年5月2日讀作：May the second, nineteen ninety時間表達法1.表示“整點”時，在基數(shù)詞后加oclock;

5、9:00 oclock.2.分鐘小于或等于30分鐘的，用“分鐘數(shù)past鐘點數(shù)”形式；分鐘數(shù)大于30分鐘的，用“到下一個鐘點所差的分鐘數(shù)to下一個鐘點數(shù)”形式,也可以依次讀鐘點數(shù)和分鐘數(shù)。7:50 ten to eight 或seven fifty 7:20 twenty past seven或seven twenty.3.注意兩個特殊的表示時間的單位詞：30分鐘用half，15分鐘用a quarter，如： 6:30 讀作：half past six 5:45 讀作：a quarter to six 6:15 讀作：a quarter past six-8.時間和日期的表示法-.9、分數(shù)表達

6、法表示分數(shù)時，分子用基數(shù)，分母用序數(shù)，分子大于1，分母用復數(shù)。分數(shù)修飾名詞時，后用of短語（做主語時謂語動詞與分數(shù)后的名詞保持一致，population除外）如：1/3 one third of teachers 3/7 three sevenths of the boys1/2, 1/4分別用 a half和a quarter表示。1/3 of the students have been to Beijing.1/3 of the apple has gone bad.2/3 of the population in the city are workers.-.9、分數(shù)表達法-10.“基

7、數(shù)詞名詞形容詞”結(jié)構“基數(shù)詞名詞形容詞”只能用來放到名詞前作定語。如：She is a 3-year-old girl.They live in a 7-storey-high building.注：這種結(jié)構中名詞不能用復數(shù)，同時只能作定語。用作表語時，不用連字符，名詞有復數(shù)。如：Tony is 10 years old this year.Tony is a 10-year-old boy.-10.“基數(shù)詞名詞形容詞”結(jié)構“基數(shù)詞名詞形容詞”只中考考什么?中考從以下幾個方面來考查學生對數(shù)詞的掌握情況：-中考考什么?中考從以下幾個方面來考查學生對數(shù)詞的掌握情況：- 1.基數(shù)詞和序數(shù)詞(2007

8、烏魯木齊)Dick, it is the _ time in _ days that youve made the same mistake.A. two, three B. second, three C. two, thirdD. second, third解題技巧 以此立意的試題要求考生能正確使用基數(shù)詞和序數(shù)詞：基數(shù)詞用來表達事物的量；序數(shù)詞用來表達事物的順序。 本題的第一空表示順序用序數(shù)詞second；第二空用基數(shù)詞three，答案為B。B- 1.基數(shù)詞和序數(shù)詞(2007烏魯木齊)B-2.分數(shù)（2006蘇州）It is said that the gravity(引力) on Mars

9、 is only about _ of the gravity on earth.A. threeeighthsB. thirdeighthC. threeeightsD. thirdeight解題技巧 以此立意的試題考查考生能否正確使用分數(shù)：分子在前用基數(shù)，分母在后用序數(shù)。分子大于一，分母用復數(shù)，分子與分母之間可以用連字符連起來也可以不用連字符，如two thirds或two-thirds；當分數(shù)修飾名詞作定語時，后要跟of，如：two thirds of students 三分之二的學生 本題的選項中只有A項正確。A-2.分數(shù)（2006蘇州）A-3. hundred,thousand,mi

10、llion,billion等單位數(shù)詞How many people will come to Beijing next year?Its hard to say, _ people, I think.A. million ofB. millions of C. three millions D. three millions of (2007蕪湖)解題技巧 以此立意的試題考查考生能否正確使用hundred等單位數(shù)詞。表示單位的數(shù)詞用法分兩種情況：1）當放在具體的數(shù)字后邊，表示具體的“百、千、百萬、十億”時，不能用復數(shù)形式，可以直接修飾名詞復數(shù)，如two thousand students；2）

11、當表示大概的“幾百、幾千、幾百萬、幾十億”時，用“復數(shù)形式of”結(jié)構，前邊不能用具體的數(shù)字，如：thousands of students。 本題中只有B項正確。B-3. hundred,thousand,million,bi2008年天津市 Jack enjoys watching TV, while Tom is interested in listening to _music. A. the B. / C. a D. anBThey also wrote_of beautiful pieces of music for the children. A. hundredB. six hu

12、ndred C. a hundred D. hundredsD-2008年天津市 Jack enjoys watching Exercises:Is there any food for us _ ?A. tenB. tenthC. the tenthD. the ten The bike cost me _ yuan.Afive hundred forty Bfive hundreds fourtyCfive hundred and forty Dfive hundred fourty “Which lesson are you studying now?”-“_”A. The lesson

13、 six B. Sixth lessonC. Lesson six D. Lesson sixth They has written a _ compositionAthree-hundred-word Bthree hundred wordsCthree hundreds words Dthree hundreds word She was born on _A1986,March 9 BMarch 9, 1986C1986,9 March DMarch nine, 1986 ACCAB-Exercises:ACCAB-We have finished reading _ units.Ath

14、e first twoBfirst twoCthe second Dtwo first My telephone number is _Aeighty eight two forty four zero nineBeight eight two double four O nineCeighty eight two four four zero nineDeight eight two four four zero and nine Every day the old woman sits here for _.A. one and half hourB. one and a half hou

15、rC. one and half hours D. one and a half hours Mr Green Will have _ holiday very soon.A. two months B. two monthC. a two-months D. a two-month Mary is_girl.A. an 8 year oldB. 8-years-oldC. the 8 years old D. an 8-year-old ABDDD-We have finished reading _ -What day is today?- -_.-A. June 9. B. TuesdayC. It is hot. D. Its fine. That _ pyramid was built by the Egyptian people.A. nine-centuries-old B. nine-centurys-oldC. nine century old D. nin