题目

阅读表达 One day the famous American scientist Albert Einstein met an old friend of his on a street in New York.  “Mr Einstein,” said the friend, “ it seems that you need to put on  new overcoat. Look, how worn-out it is!” “It doesn’t matter,” answered Albert Einstein. “No one knows me here in New York.” Several years later they met in New York again. Einstein had been a world-famous physicist after then but he still wore the same old overcoat. Once more his friend persuaded him to buy a new one. “There is no need now,” said Einstein, “Everybody here has 1.   This jacket is blue.(对画线部分提问)               is this jacket?