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问题 单项选择题

小儿脐膨出是由于先天性腹壁发育不良在脐周发生的缺损，其临床特点中，不正确的是（）

A.巨型脐膨出的腹壁缺损环直径超过5cm，有时可达10cm以上，腹部中央凸出"馒头"样肿物，通过透明膜可见外凸的小肠、结肠、肝脏、脾、胰腺或膀胱等器官

B.小型脐膨出的腹壁缺损环直径小于5cm，囊内容物大多只有小肠，有时为横结肠

C.囊壁的血液供给障碍和破裂可导致腹腔脏器脱出和继发腹腔感染，常危及患儿生命

D.脐膨出不论大小，都应尽早手术

E.一般不伴发其他畸形

答案

参考答案：E

阅读理解

任务型阅读。

     I've got some information for everyone going to Britain next month．As you know,you'll be staying with a family

for two weeks．Now the most important thing is money．You should take about￡30 in cash(现金)and about￡200

in traveler cheques(支票)．Then when you arrive at the airport you'll be met by our host(主人)family．You must

remember to wear a red shirt so the family will find you easily．I've told them to look out for the red shirts．You'll

also need to take with you 4 photos of yourself and,of course,  it's very   important that you take the school letter．

While you are there,if you have any prob1ems,you can call our agent(代理人)．I'll give you her office phone number

now:It's 5804436 and the person to ask for is Mrs．Belcher,that's B-E-L-C-H-E-R．She's in the office from 9-5 every

day．OK! That's everything．Have a good trip．

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单项选择题 A1/A2型题

急性细胞排斥反应的病理改变特点是（）。

A.无补体参与，表现为急性血管炎症

B.无补体参与，导致间质水肿

C.主要激活补体，导致急性血管炎症

D.主要为CD8+CTL细胞毒及巨噬细胞的作用，导致急性间质炎症

E.网织红细胞
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