________ the punishment was unjust , he would accept it without saying anything, because he knew it was the rule of the company.
A:As though
B:Even though
C:In case
D:Now that
下图是三种陆地水体相互转化关系图.读图完成小题.
任何一个区域内,自然环境各要素都是相互联系的,同时影响着当地的人文环境,该甲、乙、丙、丁四个区域的示意图,完成以下小题.