rapidly,soon,quickly,fast之間有什麼區別?

題目：

rapidly,soon,quickly,fast之間有什麼區別?

解答：

fast,rapid,quick,這組詞都有「快的」意思.
fast和rapid雖然有時可以互換使用,但它們有差異,fast強調物體進行相對運動.如a fast horse,a fast train.fast可做副詞
The winning car reached a speed of forty miles——much faster than any of its rivals.
獲勝的那輛車的時速達到40英里——比它的任何競爭者要快得多.
Letters will cost a little more,but they will certainly travel faster.
寄信要多花一點錢,但無疑書信走得會快一些.
而rapid只表示運動著的物體或事物的本身狀況,並不涉及單位時間內所越過的距離.如：rapid work,rapid current,rapid progress
It is a rapid river.
那是一條湍急的河.
Working rapidly in the darkness,he soon changed into the man's clothes.
他在黑暗中動作迅速,很快換上了死者的衣服
quick修飾事情發生得快,占用的時間少,也不涉及速度.如：quick thinking,a quick temper
Roy acted quickly and drove the bus straight at the thieves.
羅伊的動作迅速,開著公共汽車直向小偷撲去.
…the forest authorities ordered several tons of a special type of grass-seed which would grow quickly.
森林管理當局訂購了好幾頓特殊類型的速生草籽.
…they quickly dragged the drunk to safety.
他們迅速地把醉漢拖到安全處.