临床治疗恶性肿瘤中非实体瘤的主要方法为()
A.手术治疗
B.化学治疗
C.基因治疗
D.放射治疗
E.免疫治疗
参考答案:B
—You were out when I dropped in at your house yesterday.
—Oh, I________ for a friend from Beijing at the railway station.
A.was waiting
B.had waited
C.am waiting
D.have waited
级配碎石路拌法施工包括:①准备下承层;②测量放样;③备料;④运输集料;⑤拌合;⑥摊铺集料;⑦碾压;⑧纵横缝处理。选项中排序正确的是()。
A.①②③④⑤⑥⑦⑧
B.②①③④⑥⑤⑦⑧
C.①②③④⑥⑤⑦⑧
D.②①③④⑥⑤⑧⑦