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问题 单项选择题

女性，20岁，晚餐后，在用煤气取暖器的浴室内洗澡1小时，出现头晕、呕吐、胸闷不适，最可能的诊断是（）。

A.急性胃肠炎

B.一氧化碳中毒

C.心绞痛

D.低血糖反应

E.高血压脑病

答案

参考答案：B

单项选择题

(71) is a one -way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string.
(72) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.
(73) is an approach preferred by cable TV providers. In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable.
(74) is a device used to connect two separate network that use different communication protocol.
(75) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.

A. RTP B. RTTP C．FTPD. NNTP
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单项选择题

* * 党员：模范。（）

A.矛盾：统一

B.文凭：智商

C.企业家：MBA

D.新陈代谢：生命
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