It is difficult for you to what will happen in space without gravity.
A. depend on
B. have some idea of
C. keep from
D. equip with
网友回答
A. depend on
B. have some idea of
(答案→)C. keep from
D. equip with
解析：短语辨析。depend on取决于，依赖；have some idea of对于……有一些想法；keep from 隐瞒，阻止； equip with 装备，以……配备。句意：没有重力很难阻止在太空中发生的事情。故选C。