【单选题】It is wise to have some money__________for old age.
【单选题】Your son is old enough to __________himself.
【判断题】动量校正系数β的大小决定于断面上压强的分布。
【单选题】Let's put some old things out and have_____. [ ]
【单选题】If it_______ rain tomorrow ,we would have to put off the visit to the museum. [ ]
【多选题】个体心理上的差异可以归纳为两个方面,一是个性倾向差异,二是个性心理特征的差异。其中,个性心理特征差异包括:( )。
【单选题】It is wise to have some money________ for old age. [ ]
【单选题】My cousin is old enough ______ himself.
【单选题】-The child is only 4 years old, he is not old enough to___ himself.