1 . “It is on the Autumn Equinox day that the Yin and Yang are in a balance of power.” Thus the day and night are of equal length, and _______ are the cold and hot weather. (用适当的词填空)

2 . Despite the snowstorm, they went on marching ________.
尽管有暴风雪, 他们仍继续向前行进。

3 . Military helicopters dropped food and medicine to the earthquake survivors that remained out _______ in remote mountain villages. (用适当的词填空)