A、New York City has undergone great changes and caught the attention of the world since 1950. B、In 2010, New York City is still

Question No. 6 May is a time for green grass, picnics, and unfortunately, examinations. In the United States, high school students take their final examinations at the end of every school year.

Question No. 10 In 1950, New York City was the only city with a population of ten million. Now in 2010 worldwide we have thirty-eight cities with populations of over ten million people.