下列哪一项成果最能体现中国古代“秀才不出门，便知天下事”的说法变成了现实（    ）

关于x的方程（a－2）x^{$\left|a\right|-1$}－2=0是一元一次方程，则a＝____ ．

    One day， a Chinese student goes to study English in England. His family name is Sun. It is the1as the word "sun."

    England is a country with2It is often cloudy or misty(多雾的)，and it3again， so the days there4get much sunshine(阳光) all the year.

    When the Chinese student gets to London，a tall 5policeman with a long face 6his passport(护照) to check(检查) it. The policeman finds the Chinese name "sun" in the passport. He 7it is pronounced(发音) just like the 8word "sun". So he says to the Chinese student， "I see your name is Sun， you're wanted here. You bring sunshine9England， so we don't want you to10." They smile.