国外穴盘苗生产过程中基质测试一般做3次:播种前、第三阶段施肥前和出圃前。
参考答案:对
I was not quite sure __________.
A.what is she looking for
B.why she came late for school
C.how did she deal with the problem
D.if she has arrived
男性,45岁,心功能好,支气管镜检查结果为鳞癌,胸片及CT等检查分期为T2N0M0,首选治疗方案为()
A.根治性手术
B.根治性放疗
C.根治性放疗+手术
D.术前放疗+手术
E.单纯化疗