2016年职称英语卫生类备考动词的辨析：

warn的用法：“warn sb.of/about sth”意思是“针对…而警告某人”：“warn sb （not） to do sth”意思是“告戒某人（不）要做某事”：“warn sb.+ that从句”意思是“警告某人说……”。如：They warned the passengers of thieves.（他警告路人小心窃贼） / I warn you that you will fail in the coming exams if you are still so lazy.（我警告你：如果你还这么懒在即将来到的考试中你会不及格的。） / He was warned not to go out in the late night.（他受到警告不要在深夜出去）

think of与think about等短语的区别：think of表示“考虑、思念、认为、想起、建议”等：“think about”表示“看待、认为”：“think much /highly /a lot of”表示“高度评价…”：“think over”表示“仔细考虑”：“think out”表示“想出”。如：The headmaster thought highly of this boy.（校长高度地评价了这个男孩） / We're thinking of going to France for our holiday.（我们在考虑去法国度假的事情） / Think it over and you will have a way.（仔细考虑就有办法） / I cannot think of his name.I forgot it.（我想不起他的名字我忘了） / -What do you think about his composition?-Very good!（他的作文你觉得怎么样?很好。）