强调不同企业会计信息横向可比的会计核算原则是( )。
A．相关性
B．一致性
C．可比性
D．历史成本
参考答案：C
材料的弹性模数主要取决于什么因素?机非金属材料的弹性模数受什么因素影响最严重?
A 58-year-old client complaining of difficulty driving at night states that the "lights bother my eyes" even though he wears corrective glasses. The nurse would suspect that the client is experiencing a deficiency in which of the following vitamins（）
A. Vitamin Ａ.
B. Vitamin Ｂ complex.
C. Vitamin Ｅ.
D. Vitamin Ｃ.
