thenumberof 意為“……的數(shù)目；……的數(shù)量”，其后接可數(shù)名詞的復(fù)數(shù)形式。作主語時(shí)，謂語動(dòng)詞用第三人稱單數(shù)形式。

the number of 表示“……的數(shù)量”, 跟復(fù)數(shù)名詞連用作主語時(shí),中心詞是number, 謂語動(dòng)詞要用單數(shù).例如：

The number of students in our class is50.

我們班學(xué)生的數(shù)量是50人。

The number of pages in this book is 60.

這本書有60頁。

The new digital technology would allow a rapid expansion in the number of TV channels.

新的數(shù)字技術(shù)將會(huì)使電視頻道的數(shù)量迅速增加。

The first and most stubborn problem was that of reductions in the number of aircraft.

最首要也是最棘手的問題是飛機(jī)數(shù)量的減少。

International rules stipulate the number of foreign entrants.

國際規(guī)則規(guī)定了外國參賽者的人數(shù)。

The number of young people obtaining qualifications has remained static or decreased.

獲得資格證的年輕人數(shù)量向來維持不變或浮現(xiàn)下降。

來源：高三網(wǎng)