because they can pass through solid objects D when the sunrays are fierce E.when a change in the nucleus of an atom takes place F.when electron rearrangement takes place
【判断题】在协商解决问题方案、讨价还价等情况下,我们可先提出方案,然后试探对方的 反应。这样就要用到征询意见的表达方法,包括正式表达法,如 1 ) Is it all right if...? 2 ) Would it be all right if...? 3 ) Could we possibly...? 4 ) Would you agree that...? 5 ) What would you s...