左心腔超声造影不能用于下列哪种检查()
A.心腔间的左向右分流
B.心腔与大血管间的左向右分流
C.大血管间的分流
D.心腔内的压力
E.静脉血栓
参考答案:D
These kids are quick at learning. We had better have them __ in a new way.
A.having been trained
B.training
C.being trained
D.trained
二铁球团之间的界面为()
A.C5胶带之后属我厂
B.G401胶带之前属二铁
C.K801胶带之前属二铁
D.R401胶带之前属二铁