题目

Emphasis is laid on the necessity that all the objectives to be attained ________ into account before staring a new project. A . be taken B . should take C . would be taken D . have to be taken 答案：A20．为了降低成本，从荷兰出口到中国的大宗罐装奶粉应选择的交通运物方式是（　　）A．铁路运输B．航空运输C．公路运输D．海洋运输