【简答题】America is growing older. Fifty years ago, only 4 out of every 100 people in the United States were 65 or older. Today, 10 out of every 100 Americans are over 65. The aging of the population will affe...
【简答题】America is growing older. Fifty - eight years ago, only 4 out of every 100 people in the United States were 65 or older. To day, 10 out of every 100 Americans are over 65. The aging of the population ...
【简答题】America is growing older. Fifty years ago, only 4 out of every 100 people in the United States were 65 or older. Today,10 out of every 100 Americans are over 65. The aging of the population will affec...
【单选题】听力原文: America is growing older. Fifty years ago, only 4 out of every 100 people in the United States were 65 or older. Today, 10 out of every 100 Americans are over 65. The aging of the population wil...