胃溃疡的手术适应证是（） A.胃溃疡经2周内科治疗无效或愈合后复发，应在第二次复发前

发布时间：2018-02-27 01:27 │ 来源：www.tikuol.com

题型：单项选择题

问题：

胃溃疡的手术适应证是（）

A.胃溃疡经2周内科治疗无效或愈合后复发，应在第二次复发前手术

B.胃溃疡病人

C.X线或胃镜证实为溃疡

D.没有急性穿孔或大出血病史者也可以手术

E.不能排除或已证实有恶变者

考点：小儿外科学(医学高级)小儿外科强化练习小儿外科强化练习题库

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完形填空。根据短文大意，从各题所给的选项中选择可以填入空白处的最佳选项。将其代号填入题前括号内。
Jack is an English teacher at a college. He moved to New York City 1 all the members of his family. Jack is an excellent teacher, so we’ve all 2 him very much since he left. It was not long before Jack came back to North Carolina for a short 3 . The teachers and students held a small party for him. At the party, people walked around and 4 with each other. I certainly would not give up that good chance to learn English. So I tried to think of all kinds of topics to talk with Grace, another _____5____ teacher. Just before I was about to run out of my topics, suddenly I 6 Jack say to others loudly, “I dig New York!” I immediately asked Grace, “Is it really difficult to find a 7 in New York? Why does Jack haveto do 8 work since he is such a good teacher?” Grace didn’t seem to 9 what I said, “Why do you think that?” she asked. “Haven’t you heard him say that he is digging New York? Is he building an underground passage (地下通道)?” I asked. When she finally realized (明白) what I meant, Grace laughed to tears. She then asked us whether (是否) we 9 the meaning of “I dig New York.” All of 10 shook heads and said no. So Grace asked Jack to explain it to us. It turns out that “ I dig New York.” means “I love New York.” in American slang (俚语). Though few people say that now, we still hear it from time to time.
( )1. A. after ( )2. A. missed ( )3. A. trip ( )4. A. talked ( )5. A. Chinese ( )6. A. heard ( )7. A. teacher ( )8. A. busy ( )9. A. knew ( )10. A. her	B. with B. loved B. holiday B. spoke B. English B. listened B. job B. free B. got B. them	C. of C. liked C. talk C. helped C. maths C. made C. work C. heavy C. thought C. you	D. in D. thought D. visit D. danced D. music D. told D. book D. easy D. heard D. us

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先化简，后求值
（1）5a²-3a+6-4a²+7a，其中a=-

．
（2）2x-y-（2y²-x²）-5x+y+（x²+2y²），x=-1，y=1．

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无镇静作用的H１受体阻断药是：

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B.扑尔敏

C.苯茚胺

D.异丙嗪

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B．阈值
C．强度阈
D．刺激阈
E．阈强度的刺激

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