试题与答案

电子商务中的数字签名通常利用公开密钥加密方法实现,其中发送者签名使用的密钥是发送者的

题型:填空题

题目:

电子商务中的数字签名通常利用公开密钥加密方法实现,其中发送者签名使用的密钥是发送者的 【17】

答案:

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参考答案:D解析:[考点] 病理性色素 [分析]: 萎缩心肌细胞内的色素是脂褐素。慢性肺淤血时,心力衰竭细胞内色素为含铁血黄素。

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题型:单项选择题

Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.

Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .

10()

A.distinctive

B.turbulent

C.spontaneous

D.healthier

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