A. 1 is the default precedence.
B. A lower number is preferred.
C. A higher number is preferred.
D. 100 is the default precedence.
参考答案：BD
A1isthedefaultprecedenceBAlowernumberispreferre
本文来自网络，不代表煤炭资讯立场。转载请注明出处： http://www.mtxh.cn/bk/wd-bk/410515.html
