患者,男性,70岁,诊断为非小细胞肺癌Ⅳ期,不适宜放化疗,EGFR19外显子缺失突变,拟给予靶向治疗,可选的靶向药物有()。
A. 吉非替尼
B. 厄洛替尼
C. 舒尼替尼
D. 伊马替尼
E. 索拉非尼
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GCr15轴承钢,通常采用的最终热处理为()
A. 调质
B. 去应力退火
C. 淬火+低温回火
D. 淬火+中温回火
The National Office of the IRS issues private letter rulings and technical advice memoranda and these pronouncements are binding on the IRS.()
A partner's basis is increased by the amount of deductible loss that flows through from the partnership.()