Paper was discovered in China.改错

Paper was discovered in China.改错 By whom was it discovered是什么意思? When the dolpin ( ) by sea ,it ( ) A discovered had killed B was discovered had been killedC discovered had been killed D was discovered had killed 为什么? Gold ( )in California in nineteenth centry.A.was discovered B.has been discovered C was discover D.was to be discovered 翻译This paper aims at discussing the properties of the newly discovered material I was most greatly sorrowful had discovered I loved you. 一篇英语完形填空答案In the 13th century,Marco Polo traveled a long way to China.He was a famous Italian traveler.During his stay in China,he saw many wonderful things.One of the things he discovered was that the Chinese used paper money.Peo on top,it shows the sun,the moon and the Big Dipper,below,the owner of fan in his hand.In 1964,when a tomb dating to the Jin Dynasty (265-420 A.D.) was excavated挖掘 at Astana in Turpan新疆,Xinjiang,a coloured painting on paper was discovered.It 英语的单项选择题（需要解释一下为什么这么选,）1.Electricity _____by Edison,but he _____the electric light.A.was not discovered,was inventedB.was not invented,was inventedC.was not discovered,inventedD.was not invented,discovered. 英语选择并讲一下It was marie curie who __redium and __ X-ray machines.A.invented,discovered B.discovered,invetedC.founded,invented D.discovered,found 英语翻译In the 13th century,the famous Italian traveler,Marco Polo,traveled a long way to China.During his stay in China,he saw many wonderful things.One of the things he discovered was that the Chinese used paper money.In western countries,peopl 英语翻译In the 13th century,the famous Italian traveler,Marco Polo,traveled a long way to China.During his stay in China,he saw many wonderful things.One of the things he discovered was that the Chinese used paper money.In western countries,peopl 英语翻译In the 13th century,the famous Italian traveler,Marco Polo,traveled a long way to China.During his stay in China,he saw many wonderful things.One of the things he discovered was that the Chinese used paper money.In western countries,peopl In the 13th century,the famous Italian traveler,Marco Polo,traveled a long way to China.During his stay in China,he saw many wonderful things.One of the things he discovered was that the Chinese used paper money.In western countries,people did not us In the 13th century,the famous Italian traveller,Marco Polo,travelled a long way to China．During his stay in China,he saw many wonderful things．One of the things he discovered was that the Chinese used paper money．In western countries,people di 找出下列英语句子的错误 指出来改正1.I would live in Nanjing when I was at primary school.2.The explorer discovered the ancient cave in accident.3.This course requires that every student turn in a paper of two pages least and four pages It was sad that coffee___in Zfrica a long,long time ago.A discovered B inventedIt was sad that coffee___in Zfrica a long,long time ago.A discovered B invented C was invented D was discovered 英语翻译there was a general abort when the initial was discovered