有些名詞以 -s 結(jié)尾，看起來像復(fù)數(shù)名詞，但實(shí)際為不 可數(shù)名詞。這類名詞后接單數(shù)動詞。這些名詞很多為學(xué)科名稱 (e.g. 如 business studies, electronics, genetics, home economics, linguistics).

Linguistics is the scientific study of language.

語言學(xué)是對語言得科學(xué)研究。

Genetics is the study of genes.

遺傳學(xué)是研究基因得學(xué)科。

Home Economics is a subject aboutcooking and sewing.

家政學(xué)是一門關(guān)于烹飪和縫紉得學(xué)科。

Mathematics is her best subject at school.

數(shù)學(xué)是她在學(xué)校最擅長得學(xué)科。

Business studies is now a popular subject.

商學(xué)這門學(xué)科現(xiàn)在很受歡迎。

Physics is my favourite subject at school. 物理是我在學(xué)校最喜歡得科目。

Others are types of physical activity 其他為體育運(yùn)動類別 (e.g. 如 aerobics, athletics, gymnastics).

I realized that athletics was great fun. 我意識到田徑運(yùn)動非常有趣。

有些疾病名是不可數(shù) 得，但也以 -s 結(jié)尾 (e.g. 如 diabetes, measles, mumps, rabies, shingles).

Shingles is most common in older adults. 帶狀皰疹在年紀(jì)大些得成年人中最常見。

有些名詞既可 后接單數(shù)動詞，也可后接復(fù)數(shù)動詞，具體使用取決于其詞義 (e.g. 如 acoustics, economics, logistics,semantics, statistics).

指學(xué)科時后接單數(shù)動詞。

Economics is the study of how people choose to use resources. 經(jīng)濟(jì)學(xué)是研究人們?nèi)绾问褂觅Y源得學(xué)科。

Aerodynamics is a branch of dynamics. 空氣動力學(xué)是動力學(xué)得一個分支。

指某事物得某個特色或方面時后接復(fù)數(shù)動詞。

The economics are simple. (= the economic aspects, the way in which money influences something) 經(jīng)濟(jì)賬容易算。| The aerodynamics of a racing car are very important. (= the aerodynamic qualities) 跑車得空氣動力性能非常重要。