光电比色计的电源是：（）。
A.钨丝灯
B.低压氢灯
C.碘钨灯
D.氦灯
参考答案：A, C
祛风湿兼补肾安胎的药物是（）
A.五加皮
B.威灵仙
C.狗脊
D.续断
E.桑寄生
Which of the following is a company least likely required to present according to International Accounting Standard (IAS) No. 1（）
A. Cash flow statement.
B. Disclosures of material events.
C. Statement of changes in owners' equity.
