潮汐半月不等的潮汐现象是()。
A.从新月到上弦潮差逐渐增大
B.从新月到满月潮差逐渐减小
C.潮差的变化是以半个太阴月为周期
D.A、B、C都不对
参考答案:C
An analyst gathered the following data about a company:
The company’s return on equity:()
A. decreased because the company’s profit margin fell.
B. increased because the company’s leverage multiplier rose.
C. increased because the company’s asset turnover increased.
青藏地区与西北地区、北方地区、南方地区分界线的确定,主导因素是[ ]
A.地形
B.气候
C.河流
D.土壤