搜题请搜索小程序“爱下问搜题”
问题 单项选择题

对鉴别感染性心内膜炎和风湿活动最有帮助的选项是（）

A.进行性贫血

B.多汗

C.血沉增快

D.皮肤黏膜淤点

E.发热

答案

参考答案：D

解析：感染性心内膜炎患者可因细菌菌栓导致皮肤黏膜出现淤点，而风湿活动很少出现此种体征，其他表现两者均可出现。

听力题

根据上下文及中文提示，写出单词，使短文完整、正确、通顺。每空一词。

Mrs Green was on vacation with her friends. Her husband and children should do housework while she was away. When Mr Green   小题1:   (回来)  home from work, his children were jumping and    小题2:     (呼叫) in the living room. The kids were     小题3:    (不安的) when they saw their father. “What were you doing just now?” Mr Green asked. But there was no answer. All of them kept in    小题4: (沉默). Mr Green found his youngest son, Ben, was     小题5:    (单独地) in the     小题6:  (厨房). He was washing the dishes.

“What happened to you?”

“Dad, they asked to do all the      小题7:   (家务) while they were playing.”

“Is that      小题8:    (真实的)?” Mr Green got angry. He turned to the other kids. “my dear children, all of you should stay at home and cook dinner by yourselves      小题9:    (除了) Ben. I’ll go out to dinner and see a movie with him      小题10:   (今晚).”
查看答案
单项选择题

结构的可靠性不包括下列哪项（）

A.安全性

B.耐火性

C.耐久性

D.适用性
查看答案