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.
21. cook, cooker
cook厨师,cooker厨具 He is a good cook.
22. damage, damages
damage不可数名词, 损害,损失; damages复数形式, 赔偿金 $900 damages
23. police, policeman
police警察的总称,后接复数谓语动词,policeman 指某个具体的警察 The police are questioning everyone in the house.
24. problem, question
problem常和困难连系,前面的动词常为think about, solve, raise,question常和疑问连系,多和ask, answer连用
25. man, a man
man人类,a man一个男人 Man will conquer nature.
26. chick, chicken
二者均可指小鸡,chicken还可以当鸡肉 The chicken is delicious.
27. telegram, telegraph
当电报解时,telegram指具体的,telegraph指抽象的 a telegram, by telegraph
28. trip, journey, travel, voyage
travel是最常用的,trip指短期的旅途,journey指稍长的旅途,voyage指海上航行
a three-day trip
29. sport, game
sport多指户外的游戏或娱乐活动,如打球,游泳,打猎,赛马等
;game指决定胜负的游戏,通常有一套规则 His favorite sport is swimming.
30. price, prize
price价格,prize奖,奖品,奖金 win the first prize The price is high/low