GTP结合蛋白
A.h-rasB.erbBC.c-mycD.src
参考答案:A
— What _____ your brother _____ like?
— He has small eyes and a small nose. [ ]
A. is ; is
B. does ; look
C. do ; look
D. does ; looks
下列哪项不是肛门直肠周围脓肿切开挂线疗法的适应证()。
A.坐骨直肠窝脓肿
B.高位肌间脓肿
C.骨盆直肠间隙脓肿
D.肛门前低位脓肿
E.直肠黏膜下脓肿