题目

Festivals and celebrations    61    (hold) to honour famous people and events. In China, there are many festivals, among    62     the most important one is the Spring Festival. The Spring Festival in China is    63    (traditional) celebrated on January 1st in Lunar New Year.    64    New Year’s Eve, the whole family gather together    65    (eat) a family reunion dinner and watch TV,    66    (enjoy) wonderful    67    (perform). Children love dressing   68   in fine new clothes and sometimes have lucky money in red paper. At times, peo普通小麦（六倍体）的花粉经过离体培养获得的植株是A.三倍体B.二倍体C.多倍体D.单倍体