答案:A
She reached the top of the hill and stopped _____on a big rock by the side of the path.
A.to have rested
B.resting
C.to rest
D.rest
慢性肾欤肾炎主要辅助检查项目应是()。
A.双肾B超
B.双肾CT
C.静脉肾盂造影
D.肾动脉造影
E.肾活检