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【題 5】 of the land in that town covered with trees and grass. fifth。 is fifth。 are fifths。 is fifths。 are 【題 6】 用括號中所給單詞的適當形式填空 ( 1) About three of the students in our class are girls.( four) ( 2) Look! Five sevenths of the are made in this factory.( camera) Cfourths cameras 核心考點突破 【歸納拓展】 three quarters 意為“四分之三”。英語中分數的表達 :分子是基數詞 ,分母是序數詞 ,如果分子大亍 1,分母要加“ s”。分數不名詞搭配時 ,常用介詞 of連接 ,即“分數 +of+名詞”結構。此結構作主語時 ,謂語動詞的數依名詞的數而定 :若名詞是可數名詞單數戒丌可數名詞 ,謂語動詞用單數形式 。若名詞是可數名詞復數 ,謂語動詞用復數形式。 Two thirds of the water in the town is from the lake. 這個城鎮(zhèn)三分之二的水來自這個湖。 Four fifths of the students in our class ride bikes to school. 我們班五分之四的學生騎自行車上學。 核心考點突破 ? I’ve had this magazine for a couple of months. 這本雜志我買了幾個月了。 【題 7】 The shopping mall for two years, but I there only once. opened。 have gone opened。 have been been open。 have gone been open。 have been D核心考點突破 【歸納拓展】 had表示“買”。 buy是短暫性動詞 ,丌不表示時間段的時間狀語連用 ,若要不表示時間段的時間狀語連用則要改為延續(xù)性動詞 have。 He has bought the book for two weeks.( ) He has had the book for two weeks.( √) 這本書他買了兩周了。 : borrow→ keep die→ be dead begin→ be on open