肺灌注显像注射显像剂都采用平卧位,只有在检查是否有原发性肺动脉高压存在时,才采用坐位注射。()
参考答案:对
You didn’t let me drive. If we ____ in turn, you ____ so tired.
A.drove; didn’t get
B.drove; wouldn’t get
C.were driving; wouldn’t get
D.had driven; wouldn’t have got
焯水可使蔬菜色泽鲜艳、()。
A、便于切配
B、1:3味脆嫩
C、便于盛装
D、保持营养