【正文】
two ? C. second。 seven ? C. nine。分?jǐn)?shù)的表達(dá)方式為:分子+分母,分子是基數(shù)詞,分母是序數(shù)詞,而且分子大于 1,因此分母要用復(fù)數(shù)形式。 is B. Two fifth。 ? 3. hundred, thousand, million, billion等用在具體的數(shù)字后面時不能加- s或 of;若表示不確切的數(shù)時,通常加- s和 of。 ? 【 答案 】 D ? 考點(diǎn)三:數(shù)詞的常見用法 用法 例詞或例句 句法功能 主語 It is said that thirteen is an unlucky number. The first day of May is International Labour Day. 賓語 It is worth three hundred. He was among the first to arrive. 定語 There are only three boys in the class. May is the fifth month of a year. 表示事物編號 No. Ten Middle School, Lesson One 表示年代 in the 1890s 表示年、月、日 On May 1st, 2022 用法 例詞或例句 表示分?jǐn)?shù) 分子是基數(shù)詞,分母是序數(shù)詞,當(dāng)分子大于 1時,分母用復(fù)數(shù)形式。 ? 【 答案 】 A ? 考點(diǎn)二:序數(shù)詞 first 1st 第 1 twenty- first 21st 第 21 second 2nd 第 2 thirtieth 30th 第 30 third 3rd 第 3 thirty- ninth 39th 第 39 fourth 4th 第 4 fortieth 40th 第 40 fifth 5th 第 5 fiftieth 50th 第 50 sixth 6th 第 6 sixtieth 60th 第 60 seventh 7th 第 7 seventieth 70th 第 70 eighth