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问题 单项选择题

男，42岁。油腻饮食后腹胀、腹痛4小时。持续性上腹痛，伴有恶心、呕吐、发热、腰背部不适查体：T38.4℃，P124次／分，BP90／60mmHg，急性痛苦貌，巩膜无黄染，腹饱满，全腹肌紧张，有压痛和反跳痛，上腹为主，肠鸣音消失。右下腹穿刺抽出淡红色血性液体。血WBC16.2×109／L，N0.9。血清淀粉酶6000U／L（Somogyi法）

出现这种病变的主要发病机制是（）。

A.细菌侵入胰周围和胰腺内

B.胰腺供血动脉栓塞引起供血障碍

C.穿透性十二直肠溃疡导致胰腺炎性反应

D.胆囊炎、胆囊结石堵塞胆囊管，梗阻

E.胰腺中的消化酶被激活后导致胰腺自身消化

答案

参考答案：E

口语交际，情景问答题

读下面的材料，得出一个生活哲理来。

女儿身体较弱，父亲坚持每天要她吃一只煮鸡蛋。一天，女儿突然问：“爸爸，你小时候每天吃鸡蛋吗？”父亲以为给女儿以切身教育的机会来了，说：“我们小时候一年也难得吃一个鸡蛋！”正当父亲准备讲当年生活的贫苦时，女儿把话抢了过去，说：“那你们小时候太幸福了，我就讨厌吃鸡蛋。”
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单项选择题

For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a never ending flood of words. In (1) a job or advancing in one, the ability to read and comprehend (2) can mean the difference between success and failure. Yet the unfortunate fact is that most of us are (3) readers. Most of us develop poor reading (4) at an early age, and never get over them. The main deficiency (5) in the actual stuff of language itself—words. Taken individually, words have (6) meaning until they are strung together into phrases, sentences and paragraphs. (7) , however, the untrained reader does not read groups of words. He laboriously reads one word at a time, often regressing to (8) words or passages. Regression, the tendency to look back over (9) you have just read, is a common bad habit in reading. Another habit which (10) down the speed of reading is vocalization—sounding each word either orally or mentally as (11) reads.
To overcome these bad habits, some reading clinics use a device called an (12) , which moves a bar(or curtain) down the page at a predetermined speed. The bar is set at a slightly faster rate (13) the reader finds comfortable, in order to "stretch" him. The accelerator forces the reader to read fast, (14) word by word reading, regression and subvocalization practically impossible. At first (15) is sacrificed for speed. But when you learn to read ideas and concepts, you will not only read faster, (16) your comprehension will improve. Many people have found (17) reading skill drastically improved after some training. (18) Charlie Au, a business manager, for instance. His reading rate was a reasonably good 172words a minute (19) the training; now it is an excellent 1,378 words a minute. He is delighted that how he can (20) a lot more reading material in a short period of time.

A．enabling
B．leading
C．making
D．indicating
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