1. 通常用單數名詞作定語

cotton goods棉織品

inquiry office問事處

history teacher 歷史老師

paper factory 紙廠

telephone number 電話號碼

test paper考卷

weather forecast天氣預報

welcome speech歡迎辭

All difficulties are also paper tigers.

一切困難也都是紙老虎。

He is one of the most successful newspaper writers in the city.

他是市里最成功的記者之一。

【說明】“數詞+名詞”作定語時，其中的名詞也要用單數形式。如：

He has an 11-year-old daughter. 他有一個11歲的女兒。

I was told to write a 5000-word article in an hour. 要我在1小時內寫一篇5000字的文章。