【正文】 . 二十世紀(jì)九十年代：199039。小學(xué)英語數(shù)詞及專項(xiàng)訓(xùn)練一、數(shù)詞的分類：基數(shù)詞和序數(shù)詞。s nineteen nineties 　　4. hundred, thousand, million用法： 　　hundred, thousand, million前面有具體數(shù)字，要用單數(shù)形式，但如果它們后面有of，那它們要用復(fù)數(shù)形式，同時(shí)，前面不能再加具體的數(shù)目。 tall. . were two world wars during and a half month or two days children in the country school. 16～20BBCAB。 thousands five hundred and sixty ten people died in the traffic accidents in the world. and a half months11.—What’s the date today?—It’s 。 of the teachers in the school are from colleges. twelveth away from the school. 　四、倍數(shù)、分?jǐn)?shù)、小數(shù)、百分?jǐn)?shù)的表示方法： 　　1. 倍數(shù)：time（s） 　　This room is three times as large as that one. 這個(gè)房間有那個(gè)房間三個(gè)大。區(qū)別：基數(shù)詞前面沒有“the”；序數(shù)詞前一定要有“the”。 Lesson Three 　　第463頁：page four six three 　　第2564頁：page two five six four或twentyfive sixtyfour 　　注意：如果頁碼的數(shù)字較長(zhǎng)，通常用基數(shù)詞。 students in this school. D. three hundred metre is Route Army(八路軍). or two days thousands of twenty’s B. The number of was covered by forest in the USA. and two days the forties, his father served in the New twenties C. thirty is ninety B. fourteen feet 　　三分之一，one third, a third； 五分之三，three fifths 　　數(shù)短語作主語時(shí)，謂語的數(shù)由of 后面的名詞來決定，名詞為可數(shù)名詞復(fù)數(shù)，則謂語用復(fù)數(shù)；名詞為不可數(shù)名詞，謂語用單數(shù)。如：十八個(gè)男孩 eighteen boys用基數(shù)詞修飾不可數(shù)名詞時(shí)，如是復(fù)數(shù)，變它的量詞為復(fù)數(shù)。若是幾十幾,前基后序別倒位.二、數(shù)詞的表示方法