搜题请搜索小程序“爱下问搜题”
问题 单项选择题

患者，男，22岁，消化性溃疡患者，给予胶体次枸橼酸铋+克拉霉素+呋喃西林三联治疗期间出现黑便，担心病情加重。行大便隐血试验，报告呈阴性。此时应向患者解释其黑便原因是

A．溃疡出血

B．溃疡癌变

C．呋喃西林不良反应

D．克拉霉素不良反应

E．胶体次枸橼酸铋不良反应

答案

参考答案：E

解析： 胶体次枸橼酸铋的不良反应：服药期间口内可能带有氨味，并可使舌、粪便染成黑色。也有报导出现恶心等消化道症状，但停药后即消失。偶见一些轻度过敏反应。

完形填空

根据短文内容及所给首字母，填写所缺单词，每空一词

I think April Fool’s Day is a very unusual festival. On April Fool’s Day, you can play jokes on others. You cannot believe(相信) everything you hear on A  1 1st. Even some main newspapers will put fake (假的) articles into their papers to fool people. I hear a story about a London newspaper. There is an article on it. It says that some r  2 will do bad things in England bank on April Fool’s Day. This m 3   many people surprised and the l  4  police are very busy. It can be fun sometimes to play tricks, b   5  you have to be careful not to go too far.

O  6  April Fool’s Day this year, I c  7 my mother from my school. I tell her that I f  8 in all of my exams. She feels so bad that she starts to cry. I feel really s  9  about making her sad and try to tell her it is just a joke. April Fool’s Day jokes can be funny, but you should be c  10  not to hurt people’s feelings.
查看答案
单项选择题

在道路两侧设置硬路肩或土路肩，并将路肩设置一定横坡度，其主要目的是（）。

A.保护

B.增加宽度

C.排水

D.以上都不对
查看答案