请教：of 与 from有什么区别附3个例子

susan7375 · 发表于 2003-12-8 21:18:00

of 与 from有什么区别
下面有3个题目是平时收集的，请帮助分析一下是否有什么说法。谢谢
4.  A common disability in test pilots is hearing impairment, a consequence of sitting too close to large jet engines for long periods of time.
(A) a consequence of sitting too close to large jet engines for long periods of time    A
(B) a consequence from sitting for long periods of time too near to large jet engines
(C) a consequence which resulted from sitting too close to large jet engines for long periods of time

47.  According to scientists at the University of California, the pattern of changes that have occurred in human DNA over the millennia indicate the possibility that everyone alive today might be descended from a single female ancestor who lived in Africa sometime between 140,000 and 280,000 years ago.
(D) indicates that everyone alive today may be a descendant of a single female ancestor who（D）
(E) indicates that everyone alive today might be a descendant from a single female ancestor who

71.  Aging is a property of all animals that reach a fixed size at maturity, and the variations in life spans among different species are far greater as that among individuals from the same species: a fruit fly is ancient at 40 days, a mouse at 3 years, a horse at 30, a man at 100, and some tortoises at 150.
(B) among different species are far greater than that among individuals from
(C) among different species are far greater than those among individuals of    C

dreadpower · 发表于 2003-12-8 21:54:00

我觉得可能只是固定用法和意思上不同，
   比如第1题：consequence of 固定用法
   比如第2题：descendant
   descendant of (这里的descendant作名词，是子孙，后代的意思)
   descend from  从…下来
   按照意思选D
   比如第3题：from（来自于），翻译过来不如of（。。。的）爽

susan7375 · 发表于 2003-12-9 15:19:00

Tks dreadpower!

请教：of 与 from有什么区别附3个例子