供应链
参考答案：
通过增值过程和分销渠道控制从供应商的供应商到用户的用户的流就是供应链，它开始于供应的源点，结束于消费的终点。
三级汽车加油站的油罐总容积()m3。
A．≤180
B．≤120
C．≤60
D．≤90
Without facts, we can’t form a correct opinion, for we need to have actual knowledge _______ our thinking.
A．which to be based on
B．which to base on
C．on which to base
D．which to base
