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问题 单项选择题

将二进制数11101010.0011B转换为八进制和十六进制数，分别为（）

A.352.14Q；0EA*.3H

B.352.25Q；0EB*.5H

C.363.25Q；0EA*.3H

D.352.14Q；0FA*.3H

答案

参考答案：A

补全对话，情景问答

根据对话内容，在每小题的空白处写出一个完整的句子，使对话意思完整。

Tina: Where's Katy gone? 1.                             . 

Sandy: She's lucky. She has got a two-week vacation staring this month. And she's already on her way

           to Hawaii right now.

Tina: Oh, how much I envy her!

Sandy: So do I.

Tina: 2.                           . By plane?

Sandy: 3.                            . 

Tina: Taking a boat? She can save time if she flies.

Sandy: She said she has a long vacation. 4.                             . 

Tina: She's right. She can swim, dance and read.

Sandy: And she can sit in the sun.

Tina: Well, she must sit in the sun.

Sandy: No, she isn't.

Tina: 5.                             . 

Sandy: Because it's after midnight in the Pacific now.

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单项选择题


以下提供若干个案例，每个案例下设若干个考题。请根据各考题题干所提供的信息，在每题下面的A、B、C、D、E五个备选答案中选择一个最佳答案

患儿,男，10岁，发作性意识障碍3年，表现为两眼发呆，手不停地搓捏衣襟，无目的走动伴吞咽动作，持续5～10分钟自行缓解，确诊为癫痫。

假设患儿近期出现头晕，步态不稳，双手发抖，为明确病因，应首先行哪项检查

A．复查脑电图

B．头颅MRI

C．卡马西平血浓度

D．T3、T4、TSH

E．心电图
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