问题
单项选择题
上消化道出血特征性的表现为
A．失血性贫血
B．呕血与黑便
C．肠性氮质血症
D．失血性周围循环衰竭
E．网织红细胞持续升高
答案
参考答案：B
解析：【解析】上消化道出血特征性的表现为呕血与黑便。
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上消化道出血特征性的表现为
A．失血性贫血
B．呕血与黑便
C．肠性氮质血症
D．失血性周围循环衰竭
E．网织红细胞持续升高
参考答案：B
解析：【解析】上消化道出血特征性的表现为呕血与黑便。
What is the speaker’s opinion about Mr. Smith a. Mr. Smith is worse than anyone the speaker has worked with. b. Mr. Smith is about the average among the people the speaker has worked with. c. Mr. Smith is one of the best people the speaker has worked with. d. Mr. Smith is very special among the people the speaker has worked with.