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ss failures has risen. 企業(yè)倒閉的數(shù)量增加了?! he number of independent firms decreased from 198 to 96. 獨(dú)立公司的數(shù)量從198個(gè)減少到了96個(gè)?! he drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent. 這種藥增加了血液里的紅細(xì)胞數(shù)量,從而將攝氧量提高了10%?! he number of unemployed people in Poland has grown by more than a quarter in the last month. 上個(gè)月,波蘭的失業(yè)人數(shù)增長(zhǎng)超過了1/4?! fter eleven days of growth the number of sprouts was counted. 經(jīng)過11天的生長(zhǎng)后,對(duì)新芽的數(shù)量進(jìn)行了計(jì)數(shù)?! ∫詥螖?shù)名詞或代詞、動(dòng)詞不定式短語(yǔ)作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞要用單數(shù)。主語(yǔ)為復(fù)數(shù)時(shí),謂語(yǔ)用復(fù)數(shù)。(最基本的) 由and或both……and連接的并列成分作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用復(fù)數(shù)。 但并列主語(yǔ)如果指的是同一人、同一事物或同一概念,謂語(yǔ)動(dòng)詞用單數(shù)?! ∮蒩nd連接的并列單數(shù)主語(yǔ)之前如果分別由each, every, no修飾時(shí),其謂語(yǔ)動(dòng)詞要用單數(shù)形式?! ≈髡Z(yǔ)是單數(shù)時(shí),盡管后面跟有