治疗淋巴瘤Ⅰ、Ⅱ期的病例选用下列哪一项方案效果较好()
A.手术治疗
B.化学治疗
C.放射治疗
D.免疫治疗
E.自体骨髓移植
参考答案:C
The Oregon Trail went through the South Pass,______gold was discovered in 1842.
A.where
B.which
C.that
D.when
如何到达目的层站?(如何乘用电梯)