婴幼儿呼吸道感染时易发生呼吸困难与下列各项因素有关，但除外（_爱下问搜题

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问题单项选择题 A1型题

婴幼儿呼吸道感染时易发生呼吸困难与下列各项因素有关，但除外（）

A.纵隔相对较大，占胸腔体积较大

B.鼻道和鼻咽腔相对短而狭窄，黏膜柔软，血管丰富，感染时极易充血肿胀

C.鼻咽部及咽部相对狭小，并有丰富淋巴组织，且咽壁组织疏松，易发生咽后壁或咽旁脓肿

D.喉部狭窄呈漏斗状，黏膜柔软，炎症时易发生局部水肿

E.气管和支气管腔相对狭窄，黏膜柔软，血管丰富，炎症时易充血水肿阻塞

答案

参考答案：A

单项选择题 A1/A2型题

不属于颅脑CT增强扫描的禁忌证的是（）

A.动脉瘤

B.碘过敏

C.急性出血

D.颅脑外伤

E.严重肝、肾功能损害

完形填空

完形填空.
As my train was delayed for two hours, I had plenty of time to spare. After buying some newspapers to read on the journey, I made my way to the__1__office to collcct my heavy suitcase I had __2__there three days before. Thcrc were only a few people__3__, ancl 1 took out my wallct to find the receipt for my case. The receipt didn't seem to bc where I had left it.__4__the contents, and railway tickets, money, scraps of paper and photos fell out of it; but no matter how__5__Isearched, the receipt was nowhere to be found. When my turn came, I__6__the situation sorrowfully to the assistant. The man looked at me__7__as if to say that he had__9__this kind of story many times and asked me to __10__the case.I told him that it was an old, brown looking__11__no different from the many cases I could see on the shelves. The assistant then gave me__12__and told me to __13__of the chief contents of the case. If they were__14__, he said, I could take the case away. I tried to _15__all the articles I had __16__packed into the case and wrote them down as they came to me. After I had done this, I went to__17__among theshelves. There were hundreds of cases there. For one dreadful moment, it__18__to me that if someone had 33the receipt up he could have easily claimed(认领) the case already. This hadn't happened__19__' for after a time I found the case lying in a corner. After examining the articles inside, the assistant was__20__and told me I could take the case away.
( )1.A. posting ( )2.A. left ( )3.A. standing ( )4.A. threw ( )5.A. often ( )6.A. said ( )7.A. now and then ( )8.A. knew ( )9.A. describe ( )10.A. object ( )11.A. a paper ( )12.A. sign names ( )13.A. everything ( )14.A. draw ( )15.A. carelessly ( )16.A. see ( )17.A. happened ( )18.A. picked ( )19.A. fortunately ( )20.A. disappointed	B. working B. forgotten B. crowding B. put B. much B. searched B. up and down B. realized B. draw B. matter B. a note B. make a list B. wrong B. remember B. suddenly B. watch B. occurred B. collected B. unluckily B. surprised	C. 1uggage C. found C. talking C.looked C. hard C. spoke C. here and there C. heard C. take out C. subject C. a message C. write down C. correct C. read C. hurriedly C. find C. appeared C. taken C. by chance C. satisfied	D. manager'.s D. bought D. waiting D. explained D. soon D. explained D. back and forth D. seen D. show D. wallet D. a form D. draw a picture D. ready D. remind D. immediately D.look D. seemed D. stolen D. presently D. worried