1. clothes,cloth,clothing clothes统指各种衣服,谓语动词永远是复数,cloth指布,为不可数名词clothing 服装的总称,指一件衣服用a piece of,an article of
2. incident,accident incident指小事件,accident指不幸的事故He was killed in the accident.
3. amount,number amount后接不可数名词,number后接可数名词a number of students
4. family,house,home home 家,包括住处和家人,house房子,住宅,family家庭成员。My family is a happy one.
5. sound,voice,noise sound自然界各种各样的声音,voice人的嗓音,noise噪音I hate the loud noise outside.
6. photo,picture,drawing photo用照相机拍摄的照片,picture可指相片,图片,电影片,drawing画的画Let‘s go and see a good picture.
7. vocabulary,word vocabulary词汇,一个人拥有的单词量,word具体的单词He has a large vocabulary.
8. population,people population人口,人数,people具体的人China has a large population.
9. weather,climate weather一天内具体的天气状况,climate长期的气候状况The climate here is not good for you.
10. road,street,path,way road具体的公路,马路,street街道,path小路,小径,way道路,途径take this road;in the street,show me the way to the museum.
11. course,subject course课程(可包括多门科目),subject科目(具体的学科)a summer course
12. custom,habit custom传统风俗,习俗,也可指生活习惯,后接to do,habit生活习惯,习惯成自然,后接of doing. I‘ve got the habit of drinking a lot.
13. cause,reason cause 指造成某一事实或现象的直接原因,后接of sth./doing sth,reason用来解释某种现象或结果的理由,后接for sth./doing sth. the reason for being late
14. exercise,exercises,practice exercise运动,锻炼(不可数),exercises练习(可数),practice(反复做的)练习Practice makes perfect.
15. class,lesson作"课"解时,两者可以替换。指课文用lesson. 指班级或全体学生用class. lesson 6;class 5
16. speech,talk,lecture speech指在公共场所所做的经过准备的较正式的演说,talk日常生活中的一般的谈话,讲话,lecture学术性的演讲,讲课a series of lecture on…
17. officer,official officer部队的军官,official政府官员an army officer
18. work,job二者均指工作。work不可数,job可数a good job
19. couple,pair couple主要指人或动物,pair多指由两部分组成的东西a pair of trousers
20. country,nation,state,land country侧重指版图,疆域,nation指人民,国民,民族,state侧重指政府,政体,land国土,国家The whole nation was sad at the news.