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詞(單數(shù)) a twohour drive 兩小時的車程 ( 2)基數(shù)詞 名詞(單數(shù)) 形容詞 an 8yearold boy 一個 8歲的男孩 a 50meterdeep hole 一個 50米深的洞 ,表示時間的間隔。 “ every+基數(shù)詞 +可數(shù)名詞復數(shù)”相當于“ every+序數(shù)詞 +可數(shù)名詞單數(shù)”。 He es to see his uncle every three weeks/every third week. 他每三周 /每隔兩周來看望他的叔叔。 : ( 1) half an hour 半個小時 ( 2) one and a half years=one year and a half 一年半 ( 3) in one’s thirties 在某人 30多歲時(區(qū)別 :in the thirties在 30年代) ( 4) two more hours =another two hours 再多兩個小時 對接中考丏練 Ⅰ. 單項填空 1.[2022合肥一模 ] Jiang Ziya wasn’t very successful until in his . 2.[2022和縣期末 ] —The air is so fresh here. —Of course. of the land in this area is covered with trees and grass. fifth fifths three thirds C B 考查分數(shù)的用法。分數(shù)的構成 :分子用基數(shù)詞 ,分母用序數(shù)詞 ,分子大于 1時 ,分母應該變成復數(shù)。故選 B。 對接中考丏練 3.[2022阜陽一模 ] —How many people are there in the hall? —About two people are listening to the speech. of of 4.[20