题目

    What has the telephone done to us．or for us．in the hundred years of its existence?A few effects suggest themselves at once．It has saved lives by getting rapid word of illness，injury，or fire from distant places．By joining with the lift to make possible the multi—story building or office building，it has made possible—for better or worse—the modem city By bringing about a great leap in the speed and ease with which information moves from place to place，it has greatly sped up the rate of scientific and technological changes and growth in industry．Beyond doubt it has 冬天，在炉子上烧菜的时候，火焰熄灭前、后一瞬间会出现如图所示的两种情景，你可以确定甲甲 是火焰熄灭后的图片．