问题
单项选择题
患者男性,32岁,大量饮酒后出现上腹痛,伴恶心呕吐。查体:急性病容,呼吸急促,腹饱满,全腹压痛,反跳痛,肌紧张,Cullen征及GreyTurner征(+)。其诊断为
A.急性重症胰腺炎
B.化脓性胆管炎
C.消化性溃疡穿孔
D.急性水肿型胰腺炎
E.急性胆囊炎
答案
参考答案:A
患者男性,32岁,大量饮酒后出现上腹痛,伴恶心呕吐。查体:急性病容,呼吸急促,腹饱满,全腹压痛,反跳痛,肌紧张,Cullen征及GreyTurner征(+)。其诊断为
A.急性重症胰腺炎
B.化脓性胆管炎
C.消化性溃疡穿孔
D.急性水肿型胰腺炎
E.急性胆囊炎
参考答案:A
实验室有两瓶无标签的无色透明溶液,分别是硫酸钠和氯化钾。请回答下列问题:
(1)检验这两种溶液,通常选用氯化钡溶液而不用硝酸银溶液,理由是 ;
(2)取样,滴入氯化钡溶液,若有白色沉淀生成,则检验的样品应该是 ,反应后所得到的溶液中一定含有的溶质是 ;为检验上述溶液反应后,还可能含有的其他溶质,过滤取滤液,进行以下实验,完成下表:
实验操作 | 现象 | 结论 |
取少量滤液,滴加氯化钡溶液 | 无白色沉淀 | 反应后溶液中溶质还含有 |
另取少量滤液,滴加 溶液 | 有白色沉淀 |
(3)为鉴别硫酸钠和氯化钾溶液,除用滴加试剂的方法外,还可以采用的方法是 。
完型填空(共20小题;每小题1.5分,满分30分) 阅读下面短文,掌握其大意,然后从36—55各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上涂黑。 “You will never walk again.You will have to use a wheelchair.” I heard his 36 fall heavily on my ears, numbing my soul.If I had never felt hopeless before, I felt hopeless then. The car accident has left me unconscious.When 37 , I found both legs in casts(石膏).While I had other serious injuries, my 38 were my first concern.Working as a special needs teacher and busy and active by nature, I couldn’t imagine being 39 in a wheelchair. Lying in my bed, I wondered how I 40 give my ten-year-old son hope that mom would 41 .He’d been cheerful on every visit, but I saw 42 in his eyes. He needed the ray of hope that I would not be in a wheelchair forever. Just maybe, I thought, I could use this experience to teach him what to do when misfortune 43 . It didn’t take me long to become 44 with my limited movements and even with the pace the doctors were willing to go with me.I was determined to learn everything they showed me. Every night in my private room, as soon as I knew I wouldn’t be 45 or discovered, I would move myself from the bed to the floor, 46 on to the bed rail(床栏杆) for dear life, and slowly putting my weight 47 my feet.After several weeks of such difficult 48 , my strength and confidence continued to 49 . It came the time to share my accomplishments with the person most 50 to me.One night, when I heard my son greet the nurses at the station, I 51 myself up.As he opened the door, I took a few small steps. 52 , he could only watch as I turned and started back to bed.All of the pain, the fear, and the struggle 53 as I heard the words I had longed to hear, “Mommy, you can walk!” I am now able to walk alone, sometimes using a stick.I am able to take public transportation to shop and visit friends.My life has been blessed with many 54 of which I am proud.But none has ever brought me the satisfaction and joy 55 by those four little words of my son.
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