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问题 多项选择题

下列各项中，会引起应收账款账面价值发生变化的有（）。

A.计提坏账准备

B.收回应收账款

C.转销坏账准备

D.收回已转销的坏账

答案

参考答案：A, B, D

解析：转销坏账准备减少坏账准备和应收账款，不引起应收账款账面价值的变动。

单项选择题

Certificates are （71） documents attesting to the （72） of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to （73） someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a Certificate also contains an （74） date, the name of the CA that issued the Certificate, a serial number, and perhaps other information. Most importantly, it contains the digital （75） of the certificate issuer. The most widely accepted format for certificates is X.509, thus, Certificates can be read or written by any application complying with X.509.

A．communication

B．computation

C．expectation

D．expiration
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单项选择题

下列哪种情况下，探视人员在医疗机构内摔伤由其自己承担责任（）

A.探视者为患者邻居

B.探视者为患者朋友

C.探视者为患者同事

D.探视者在非规定时间探视
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