胃肠穿孔应采取()
A.卧位腹X线片
B.立位腹透或立位腹X线片
C.卧位腹透
D.盆腔相
E.腹侧X线片
参考答案:B
–Do you know _______?
--- Someone wants to find his dog back.
A.what the notice says
B.what the notice writes
C.what is the notice written
D.what does the notice say
"遗忘曲线"的提出者是( )。
A.冯特
B.艾森克
C.艾宾浩斯
D. 埃里克森