题目

      It’s time to say goodbye to 2015 and hello to 2016.   51   will you celebrate New Year’s Eve? By getting together with your family,   52   by singing karaoke with your friends? Perhaps you’d like   53  (take) a look at how people in other countries celebrate the important day.    In the US, thousands of people gather in Times Square in New York City to welcome the new year at midnight.   54  (start) at 11:59 pm, people count down the seconds to the new year as the New Year’s Eve Ball   55  (slow) drops down. When it hits the bottom at 12 pm, firewo下图是某些有机物的比例模型，其中表示为CH4的是（代表氢原子代表碳原子)（     ） A                B                  C                D