肾异位,错位的肾常在下列哪一部位找到()
A.对侧肾窝中
B.同侧膈顶下
C.小骨盆内
D.对侧腹腔
E.以上都不是
参考答案:C
I went to the Lincoln Memorial yesterday, _____, not surprisingly, was crowded with visitors from all over the world.
A.where
B.which
C.as
D.what
目前加氢裂化过程的催化剂正朝着低金属含量,高活性和高抗氮能力的方向发展。