规模报酬
参考答案:
是指在其他条件不变的情况下,企业内部各种生产要素按相同比例变化时所带来的产量变化。
Contrary to the opinion of the public, the chairman decided to appoint _______ he thought was equal to the job.
A.who
B.whomever
C.whom
D.whoever
常用CA19-9作为诊断标志物的是()
A.胃癌
B.结直肠癌
C.胰腺癌
D.卵巢癌
E.乳腺癌