问题 单项选择题

小儿,5个月。2月前出现面部灰暗,哭闹及吃奶时出现发绀。查体:较瘦,口周发绀,心前区可闻及Ⅲ级左右的收缩期喷射音,X线示:右心室肥大,肺动脉段凹陷,心脏呈靴形,肺野清晰。此患儿最可能的诊断是

A.房间隔缺损

B.室间隔缺损

C.肺动脉狭窄

D.动脉导管未闭

E.法洛四联症

答案

参考答案:E

解析:法洛四联症表现为患儿发育落后,乏力,青紫,吃奶及哭闹时加重,蹲踞,可有阵发性的晕厥,在第2-4肋间可闻及Ⅲ级左右的收缩期喷射音,X线提示右心室肥大,肺动脉段凹陷,心脏呈靴形,肺野清晰,无肺门舞蹈征,而房间隔缺损、室间隔缺损和动脉导管未闭都可在x线检查中发现肺门舞蹈征。

完形填空

第二节完形填空(共20小题;每小题2分,满分40分)

阅读下面短文,掌握其大意,然后从题中所给的A、B、C、D四个选项中,选出最佳选项

Do you know what kind of things the young people are reading? More and more  36  and parents have noticed another kind of pollution, which came from the printed papers  37  on streets. These printed things  38  newspapers but have hardly anything to do with  39  , you can only find reading materials badly made up there—— some are too strange for anyone to 40 ; others are frightening stories of something  41 .However, many of the young readers are getting interested in such 42  reading, which 43   them what they should pay for their breakfast and brings them nightmares(恶梦)and immoral(邪恶的)ideas in 44  . Homework was left  45  ; daily games lost.

  These sellers shout on streets selling their papers well. The writers, publishers and printers,  46  they are, we never know, are  47 their silent money.

  The sheep - skinned wolf’s story seems to have been forgotten once again. Why not  48  this kind of thing? Yes, both teachers and parents have asked each other for more strict control of the young readers.  49  , the more you want to forbid it, the more they want to have a look at it.  50   you may even find out several children, driven by the curious nature,  51   one patched paper, which has traveled from hand to hand.

  It really does 52   to our society. It has already formed a sort of moral pollution. The 53  teachers and parents need more powerful support in their protection of the young generation. At the same time the young  54  need more interesting books to help them  55  those ugly papers.

  36.A. writers     B. readers    C. students      D. teachers

  37.A. sold        B. printed     C. put          D. found

  38.A. work out   B. look like    C. act as        D. depend on

  39.A. them       B. children     C. young people  D. it

  40.A. think      B. believe      C. know        D. understand

  41.A. still worse  B. even better   C. very good   D. more important

  42.A. wonderful  B. interesting   C. useful        D. poisonous

  43.A. spends     B. costs        C. pays         D. takes

  44.A. sight       B. common     C. return       D. use

  45.A. unknown  B. much       C. less        D. undone

  46.A. what       B. whoever    C. whatever     D. who

  47.A. making     B. spending     C. wasting      D. using

  48.A. forbid     B. separate      C. leave        D.forget

  49.A. Luckily    B. Unfortunately C. Badly        D. Happily

  50.A. Always    B. Hardly      C. Sometimes   D. Seldom

  51.A. share      B. get          C. hold        D. take

  52.A. good       B. favor        C. wrong      D. harm

  53.A. puzzled     B. surprised     C. disappointed  D. worried

  54.A. teachers     B. parents     C. readers       D. writers

  55.A. come into   B. break down   C. get rid of     D. get of

单项选择题