In 1929,three years after his flight over the North Pole.the american explprer ,R.E.Byrd,successfuly flew over the South Pole the first time In 1929,three years after ,为什么是his filght over ..可以改成 In 1929,three years after the american

In 1929,three years after his flight over the North Pole.the american explprer ,R.E.Byrd,successfuly flew over the South Pole the first time In 1929,three years after ,为什么是his filght over ..可以改成 In 1929,three years after the american
In 1929,three years after his flight over the North Pole.the american explprer ,R.E.Byrd,successfuly flew over the South Pole the first time
In 1929,three years after ,为什么是his filght over ..
可以改成 In 1929,three years after the american explprer flight over the North Pole
he successfuly flew over the South Pole the first time 这么说可以吗?
为什么我看书上说是,three years after ...the North Pole 为In 1929,同位语
我不懂同位语

In 1929,three years after his flight over the North Pole.the american explprer ,R.E.Byrd,successfuly flew over the South Pole the first time In 1929,three years after ,为什么是his filght over ..可以改成 In 1929,three years after the american
问题1:改了之后不好,因为R.E.Byrd,successfuly flew over the South Pole the first time是主句,In 1929,three years after his flight over the North Pole是时间状语从句,名词应放在主句中,指代它的那个代词应放在从句中.
问题2：如果两者指的是同一个对象,它们就互为同位语.如果两个同位语中有一个是从句,就叫同位语从句.如：
1.Prisident Obama is very enthusiastic.奥巴马总统非常有激情.
Prisident 与Obama指的是同一个人,这两个词互为同位语.
2.The news that we won the match was exciting.我们赢了那次比赛的这个消息很激动人心.
这里the news与that we won the match指的是同一对象,它们互为同位语.其中后者是同位语从句.

the american explorer就是文中的he,也是R.E.Byrd这个人，所以你那个改法是行的通的，但把最关键的信息人名给弄丢了。
他飞越了北极的三年后是1929年，所以是同位语。

问题1:可以改成 In 1929,three years after the american explprer flight over the North Pole
he successfuly flew over the South Pole the first time 但其中的flight得改成flew,因为flight是名词，而这里需要动词。
同位语是指一个名词后面...

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问题1:可以改成 In 1929,three years after the american explprer flight over the North Pole
he successfuly flew over the South Pole the first time 但其中的flight得改成flew,因为flight是名词，而这里需要动词。
同位语是指一个名词后面跟一个名词（或起同类作用的其它东西），对前者作进一步解释，说明它指的是谁是什么等。可以是短语，也可以是句子（叫同位语从句），即两者指的是同一回事。

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