收入费用的确认应当以其实际发生作为确认计量的标准的会计核算原则是()原则。
A. 配比
B. 客观性
C. 权责发生制
D. 历史成本
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If a contractual offer can be accepted by post, the acceptance is effective when______.
A. the offeror acts upon it
B. it comes to the offeror's attention
C. it is delivered
D. it is posted
It has often been said that a guarantee is the easiest form. of security to take but the most difficult to realize because of the following reasons except that______.
A. the guarantee has intrinsic value which is difficult to realize
B. the guarantor's financial position may deteriorate without the bank's knowledge
C. guarantors never expect to pay and often refuse to do so, making realization a difficult and lengthy process
D. there may be a reluctance to enforce the security where the guarantor is a valued and influential customer of the bank
早孕电吸入流术中扩张宫颈，突然明显腹痛伴多量阴道出血，最可能的诊断为
在航空货运中，下面()货物必须预订舱位。
A. 皮鞋
B. 文具
C. 书报杂志
D. 活螃蟹
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