During Chang'e i Satellite's flight to the moon.
问题描述：
During Chang'e i Satellite's flight to the moon.
During Chang'e i Satellite's flight to the moon,it___adjusts its direction so that it can go into its programmed.
答案是constantly,我选的是gradually
答
分析如下：
constantly：不断地,在嫦娥一号卫星进入月球的时候,它不断地调整它的方位以便它能够进入可程式化的轨道,当然是【不断地调整以适应】,而gradually是【逐渐的】地意思,在此不符合句子的意思和语境,