Lambert-Eaton综合征常见病因是
A.肝癌
B.肺癌
C.胸腺瘤
D.结肠癌
E.胃癌
参考答案:B
—Do you know how many people _____ in the earthquake in that area?
— That's terrible. I hope everything _____ in the world now. [ ]
A. lose their lives; go well
B. lost their lives; goes well
C. lose their lives; goes well
D. lost their life; go well
对施工成本进行成本分析的方法有很多,下列方法中不是成本分析的基本方法是()。
A.因素分析法
B.差额计算法
C.比较法
D.偏差分析法