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ss failures has risen. 企業(yè)倒閉的數(shù)量增加了。 The number of independent firms decreased from 198 to 96. 獨立公司的數(shù)量從198個減少到了96個?! 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. 上個月,波蘭的失業(yè)人數(shù)增長超過了1/4?! fter eleven days of growth the number of sprouts was counted. 經(jīng)過11天的生長后,對新芽的數(shù)量進行了計數(shù)。 以單數(shù)名詞或代詞、動詞不定式短語作主語時,謂語動詞要用單數(shù)。主語為復(fù)數(shù)時,謂語用復(fù)數(shù)。(最基本的) 由and或both……and連接的并列成分作主語時,謂語動詞用復(fù)數(shù)。 但并列主語如果指的是同一人、同一事物或同一概念,謂語動詞用單數(shù)?! ∮蒩nd連接的并列單數(shù)主語之前如果分別由each, every, no修飾時,其謂語動詞要用單數(shù)形式。 主語是單數(shù)時,盡管后面跟有