引起致命的电流的范围是（）次以上。
A、300～600
B、400～600
C、400～800
D、300～800
参考答案：B
土地取得成本、建设成本、管理费用和销售费用，无论它们是来自借贷资金还是自有资金，都应计算利息。（）
Which of the following statements is most accurate An intangible asset with a finite useful life is:（）
A. amortized.
B. tested for impairment at least annually.
C. amortized and tested for impairment at least annually.
