乳癌患者,术中发现同侧腋下及胸骨旁有淋巴结转移,且一般情况尚可,首宜行
A.单纯 * * 切除术
B.乳癌根治术
C.扩大乳癌根治术
D.改良根治术
E.放疗加化疗
参考答案:C
图样中,机件的可见轮廓线用(),不可见轮廓线用()画出,尺寸线和尺寸界线用()画出,对称中心线和轴线用()画出。虚线、细实线和细点划线的图线宽度约为粗实线的()。
I ______ think my sister ______ play the piano. She never learns to play it. [ ]
A. don't; can't
B. /; can't
C. don't; can
D. do; can