下列哪种药物不具有杀灭幽门螺杆菌的作用()。 A.胶体次枸橼酸铋 B.羟氨苄青霉素

题型:单项选择题

问题:

下列哪种药物不具有杀灭幽门螺杆菌的作用()。

A.胶体次枸橼酸铋

B.羟氨苄青霉素

C.前列腺素

D.呋喃唑酮

E.甲硝唑

考点:广东住院医师全科医学消化系统疾病消化系统疾病题库
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一个木工有两根长为40cm和60cm的木条,要另外找一根木条并钉成一个三角形木架,问第三根木条的长度x的取值范围是(    )厘米。

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慢性肾功能不全进展的常见原因除了()

A.感染

B.大出血或休克

C.低钙血症

D.肾毒性药物

E.心力衰竭

题型:单项选择题

丁酸乙酯(C6H12O2)是无色具有菠萝香味的液体,常用作食品、饮料的调香剂。请回答下列问题:

(1)丁酸乙酯的相对分子质量是________。

(2)丁酸乙酯中碳、氢、氧的原子个数比为_________。

(3)丁酸乙酯中碳元素的质量分数为___________。(保留一位小数)

题型:单项选择题
阅读下面短文,从短文后各题所给的四个选项A、B、C、D中,选出可以填入空白处的最佳选项.
Football is, I suppose, the most popular games in England. One had only to go to one of the important   31  to see this. One can see kinds of people there, shouting and   32  for one side or the other.
One of the most   33  thing about football in England to a stranger is the __34__ knowledge of the game which even the   35  seems to have. He can tell you the names of the players in   36  of the important teams. He   37  photos of them and knows the result of large numbers of matches. He will tell you   38  he expects will win such and such a match,
  39 his opinion is usually as   40  as that of men three or four times his   41 .
Most schools in England take   42  seriously—much more seriously than nearly all the schools in other countries,   43 lessons are all important and games are left for one’s own arrangements(安排). In England, it is believed that   44  is not only a matter of filling a boy’s mind with facts in the   45 ; it also means character training; and one of the   46 ways of training character is by means of games,   47 team games, where the boy has to learn to   48  with others for his team, instead of working just for himself alone. The school therefore arranges games and matches for its   49 . Football is a good team game and it is good exercise for   50 .
小题1:
A.gamesB.matchesC.sportsD.sports meet
小题2:
A.fightingB.jumpingC.laughingD.cheering
小题3:
A.excitingB.pleasantC.surprisingD.disappointing
小题4:
A.greatB.interesting C.limitedD.useless
小题5:
A.smallest boyB.oldest manC.shortest childD.most stupid child
小题6:
A.noneB.eachC.fewD.most
小题7:
A.hasB.takesC.acceptsD.gains
小题8:
A.whyB.whichC.whoD.whom
小题9:
A.butB.andC.howeverD.because
小题10:
A.sameB.uselessC.manyD.valuable
小题11:
A.experience B.heightC.ageD.size
小题12:
A.matchesB.footballC.educationD.pupils
小题13:
A.whereB.thereC.theirD.because
小题14:
A.learningB.educationC.a textbookD.physical education
小题15:
A.schoolB.labC.libraryD.classroom
小题16:
A.quickestB.cheapestC.bestD.modernest
小题17:
A.especially B.usuallyC.seldomD.hardly
小题18:
A.fightB.struggleC.workD.study
小题19:
A.teachersB.pupilsC.playersD.team
小题20:
A.eyesightB.headC.footD.body
题型:单项选择题

我军97式5.56mm突击步枪,有效射程为()。

A、300m

B、400m

C、500m

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