问题 单项选择题

女,60岁,慢性咳喘20年,剧烈咳嗽3天,无咳痰、咯血及发热,半小时前突发胸痛,呼吸困难,不能平卧,伴发绀。体检:血压 150/100mmHg,呼吸40次/分。右胸语颤减弱,呼吸音减低。心率110次/分。以上表现符合( )。

A.肺梗死

B.急性心肌梗死

C.急性左心衰竭

D.阻塞性肺气肿

E.自发性气胸

答案

参考答案:E

解析: 肺气肿患者肺大疱破裂时易并发自发性气胸。患者常于剧咳或用力过猛后出现突然加剧的呼吸困难,伴有明显的胸痛;体检时出现患侧胸部隆起,叩诊呈鼓音,听诊呼吸音减弱或消失,气管移向健侧等体征,即可做出初步诊断。 X线检查显示气胸征可明确诊断。

单项选择题

I will never forget the year I was about twelve years old. My mother told us that we would not be (16) Christmas gifts because there was not enough money. I felt sad and thought, "What would I say when the other kids asked what I’ d (17) " Just when I started to (18) that there would not be a Christmas that year, three women (19) at our house with gifts for all of us. For me they brought a doll. I felt such a sense of (20) that I would no longer have to be embarrassed when I returned to school. I wasn’t (21) . Somebody had thought (22) of me to bring me a gift.

Years later, when I stood in the kitchen of my new house, thinking how I wanted to make my (23) Christmas there special and memorable, I (24) remembered the women’s visit. I decided that I wanted to create that same feeling of (25) for as many children as I could possibly reach.

So I (26) a plan and gathered forty people from my company to help. We gathered about 125 orphans (孤儿) at the Christmas party. For every child, we wrapped colorful packages filled with

toys, clothes, and school supplies, (27) with a child’ s name. We wanted all of them to know they were (28) Before I called out their names and handed them their gifts, I (29) them that they couldn’t open their presents (30) every child had come forward. Finally the (31) they had been waiting for came as I called out, "One, two, three. Open your presents!" As the children opened their packages, their faces beamed and their bright smiles (32) up the room. The (33) in the room was obvious, and (34) wasn’ t just about toys. It was a feeling, and the feeling I knew (35) that Christmas so long ago when the women came to visit. I wasn’t forgotten. Somebody thought of me. I matter.

24().

A. hardly

B. instantly

C. regularly

D. occasionally

单项选择题