从信息的准确性来讲，外币折算方法是（）种。
A.现行汇率法
B.流动性与非流动性
C.货币性与非货币性法
D.时间度量法
参考答案：D
I was ______ in my reading, and didn’t at first hear the doorbell ring.
A. immured B. immersed C. busy D. infatuated
汽轮机的变压运行分类有哪些？
