【单选题】在物流概念产生的原因中,由军事动因引发的物流的英文词汇是
A.
phistical distribution
【简答题】请用一个动词替代下面句子中括号中的动词短语,增加行文的正式度。 Scientists are ( looking into) innovative drug delivery systems that can transport and deliver a drug precisely and safely to its site of action.
【单选题】delivery的动词形式是_____?
【单选题】It is a sad reality that children m ake up a large ________of the world’s population who suffers from hunger.