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【单选题】
下列实验能获得成功的是A.
用酸性高锰酸钾溶液鉴别正己烷和乙醇
B.
用分液漏斗分离乙醛和水
C.
用苯、溴水和铁粉混合制取溴苯
D.
用米汤检验加碘盐中是否含碘元素
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【单选题】What is an "operating" cycle?
A.
A cycle of transactions that converts cash inflows to cash outflows, or vice versa.
B.
A cycle where there is receipt of funding from investors, those funds are used to generate returns from investments and operations, and then the funds are returned to investors.
C.
A cycle where a property is purchased that has long-term future benefits for the enterprise, which ultimately results in cash inflows, and then the property is disposed of.
D.
A cycle that involves the purchase of items such as inventory; production, sales, delivery of goods or provision of services; and receipts from customers.
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