术中探查为胃窦癌,肿瘤直径3cm大小,未见远处转移,此时最适宜的手术方式为()
A.全胃切除
B.胃癌根治R1式
C.胃大部切除
D.胃癌根治R2式
E.胃空肠吻合术
参考答案:D
When ______ comes to research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.
A.that
B.it
C.this
D.what
下列各项,属五行之金者为
A.胆 B.小肠 C.胃 D.大肠