根据呕血的伴随症状与体征推测呕血的原因,哪种说法错误A.中老年人,慢性无规律性上腹痛

题型:单项选择题

问题:

根据呕血的伴随症状与体征推测呕血的原因,哪种说法错误

A.中老年人,慢性无规律性上腹痛,并有厌食,消瘦,呕血应警惕胃癌

B.黄疸、寒战、发热伴右上腹绞痛而呕血者,可能由肝胆疾病所引起

C.蜘蛛痣、肝掌、腹壁静脉曲张,脾肿大、腹水,呕血提示肝硬化门脉高压

D.近期有服用非甾类抗炎药物史的呕血者应考虑食管贲门黏膜撕裂伤

E.大面积烧伤伴呕血者提示急性胃黏膜病变

考点:临床执业助理医师内科学常见症状及体征
题型:单项选择题

甲数是乙数的15倍,甲数除以乙数的商是______.

题型:单项选择题

女性患者,55岁,体质虚弱,6年来出现反复发作的肾结石,且自觉记忆力减退,情绪不稳,食欲不振,恶心、呕吐,诉腰背痛,逐渐驼背,行走困难。

该患者最可能的诊断是()。

A.肾结石

B.原发性甲状旁腺功能亢进症

C.抑郁症

D.消化系统疾病

E.骨骼疾病

题型:单项选择题

晶体二极管具有()特性,即正向()反向()。常用于()、()等。

题型:单项选择题

请先阅读下面的电子邮件

Dear Li Hua,

I feel very happy to read your e-mail and I really appreciate your English. Congratulations to you. Your English has really improved a lot.

Oh, I have some good news to tell you. I’ve got a good chance to practice my Chinese as an exchange student to China. So, here I’d like to ask you for help—which school is the best one for me to attend in China. Tell me, and then I can tell my school to make contact with it.

Looking forward to your early reply and hope to meet you in China soon.

Yours friendly,

Mary

假设你是李华,请你根据下列要点,用英文给玛丽回一封电子邮件,建议她来你所在的学校。理由是:

你校每年都接纳交换生;

学校条件好,各种设施好, 有图书馆,电子阅览室……;

课外活动丰富多彩;

你校学生英语水平好,易于交流;

特别是老师好,教法生动有趣。

注意:可根据要求加以必要发挥,但不要逐字翻译;词数为120左右;开头已写好(不计入词数),但不得抄入答题卡。

参考词汇:设施:facility 电子阅览室: electro-reading-room

Hi Mary,

Nice to read your e-mail today. It’s very kind of you to give me encouragement. I owe a lot to you for your help.

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

____________________________________________________________________________________________

_______________

Li Hua

题型:单项选择题

关于热力站换热设备,以下说法错误的是()

A.换热器布置时,应考虑清除水垢、抽管检修的场地

B.并联工作的换热器宜按异程连接设计

C.并联工作的换热器,每台换热器一、二次侧进、出口宜设阀门

D.当热水供应系统换热器热水出口上装有阀门时,应在每台换热器上设安全阀

更多题库