【正文】
9。s very pure. A. Fourfifth。 are C. Fourfifth。 is B. Fourfifths。 are D. Fourfifths。 is D 分數(shù)的表示法:分子用基數(shù)詞,分母用序數(shù)詞,分子 大于 1,分母加 s,故可以排除 A、 C 兩項; juice 是不可數(shù)名詞, 謂語動詞用單數(shù)形式,故選 D。 ( )8.(2022 年廣東河源 )The number of teachers in our school ________ greatly increased last number of teachers in this school ________ from the countryside. A. was。 is C. were。 are B. was。 are D. were。 is B the number of 表示“ ?? 的數(shù)量”,接名詞作主語時, 謂語動詞用單數(shù);“ a number of +復數(shù)可數(shù)名詞”表示“許 多 ?? ”,作主語時,謂語動詞用 復數(shù)。 ( )10.(2022 年廣東 )Robert with his two kids ________ to the beach for vacation every year. A. go C. went B. goes D. are going B 由時間狀語 every year 可排除 C、 D 項;當主語后跟有 with 介詞短語時,謂語動詞與前面的主語保持一致。主語 Robert 是第三人稱單數(shù) ,故謂語動詞用單數(shù)。 ( )13.(2022 年廣東梅州 )________ of the land in that country ________ covered with tree and grass. A. Two five。 is C. Two five。 are B. Two fifths。 are D. Two fifths。 is D 分數(shù)的構(gòu)成原則是:分子用基數(shù)詞,分母用序數(shù)詞, 分子大于 1 時,分母加 s;分數(shù)后面的名詞是 land(陸地 ),是不 可數(shù)名詞,謂語動詞要用單數(shù)。故選 D。