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问题 单项选择题

病人面部红斑消退，关节疼痛等“SLE症状”消失，瘸已痊愈而擅自停服激素两天，病人现出现恶心、呕吐、腹泻、乏力、低血压、低血糖、高热等症状，应警惕发生

A．低血糖休克

B．严重脱水

C．肾上腺危象

D．垂体危象

E．甲亢危象

答案

参考答案：C

单项选择题

Essentially all polar ice forms from precipitation that falls as snow. Extremely cold air cannot hold much moisture and consequently cannot produce much snowfall, in recent years, air masses in both polar regions have been, without exception, extremely cold.
The information above most ply supports which of the following conclusions

A．If polar ice is currently growing and expanding at all, it is doing so only slowly.

B．If air temperatures in the polar regions were considerably warmer, much polar ice would melt off.

C．In the last few years, snowfall in the polar regions has been virtually continuous.

D．The thicker the polar ice is, the colder the air masses that are in contact with it.

E．(E) For snow to turn into ice in the polar regions, the air has to be extremely cold.
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单项选择题

可导致婴儿永久性牙齿变色的是( )。

A．红霉素

B．四环素

C．氯霉素

D．溴隐亭

E．磺胺药
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