【文章內(nèi)容簡介】
billionth 若是多位數(shù),則前邊的數(shù)用基數(shù)詞,末尾數(shù)用序數(shù)詞。 . 第 101 one hundred and first 第 199 one hundred and niyninth ( 5)序數(shù)詞的縮寫形式是由阿拉伯數(shù)字加上序數(shù)詞的最后兩個字母構(gòu)成的。 . first 1st second 2nd third –3rd fourth4th twelfth12th twenty first 21 st fortyfifth 45 th one hundred and fiftythird 153 rd Exercise How old is your son ? . We had a special party for his birthday last Sunday . A. Nine 。 ninth B. Nine 。 nine C. Ninth 。 nine D. Ninth 。 ninth I think that the century (世紀 ) will bring us more hopes . A. twentyone B. twentiethfirst C. twentyfirst D. twentiethone 2. 序數(shù)詞的用法 (1)在使用序數(shù)詞時,通常前面要加定冠詞 the. . The second lesson is more difficult than the first. (2) 序數(shù)詞前面出現(xiàn)不定冠詞 a/an時,表示 “ 再一,又一 ” 。 . We’ve tired it three times. Must we try it a fourth time? His parents have two children, but they want a third one. (3) 序數(shù)詞前有物主代詞或其他修飾語時不用任何冠詞。 . This is my first job. Mrs. Black’s second child called Lucy. (3) 基數(shù)詞表順序,置于名詞之后;序數(shù)詞表順序,置于名詞之前,且與 the連用 Part Two the Second Part Lesson Seventhe Seventh Lesson page 48the fortyeighth page Room 302, World War II Exercise I got a good present on my birthday and I like it very much . A. fifteen B. fifteenth C. the fifteen D. the fifteenth I hear your pen friend is visiting Lianyungang again . Is it the time for him ? Yes , and he will e for a third time next spring . A. first B. second C. third D. fourth There are days in June and day is Children’s Day . A. thirty 。 the second B. thirty 。 first C. thirteen 。 the first D. thirty 。 the first There are _____ people in my family. We live in the _____ floor in a tall building. A. five。 six B. fifth。 sixth C. fifth。 six D. five。 sixth 5. We are going to learn _____next week. T