牙隐裂最好发于() A.上颌第一磨牙 B.上颌第二磨牙 C.下颌第一磨牙 D.下颌第

题型:单项选择题

问题:

牙隐裂最好发于()

A.上颌第一磨牙

B.上颌第二磨牙

C.下颌第一磨牙

D.下颌第二磨牙

E.上下颌前磨牙

考点:口腔内科(医学高级)口腔内科综合练习口腔内科综合练习题库
题型:单项选择题

药品降价给人民群众带来了很大的实惠。据调查,有一种药品,现在每瓶售价16.2元,比原来每瓶降价4.4元,降价百分之几?(百分号前保留一位小数)

题型:单项选择题

男性,25岁,平素称体健,生活饮食有规则,进食冷热适当,定时定量,无烟酒嗜好。无胃痛、泛酸等症状。近2年因工作关系,饮食不能按时和定量,冷热又失当,并开始嗜烟酒,患者出现饥饿或半夜痛醒史。进食物或服用碱性药物可使症状缓解。昨晚突然出现上腹部剧烈疼痛,并迅速出现全腹部疼痛,伴恶心、呕吐,查体发现出现"板状腹"。根据病史首先考虑到如下诊断()

A.胃溃疡并穿孔

B.胃窦炎

C.胃癌

D.十二指肠球部溃疡并穿孔

E.十二指肠球炎

题型:单项选择题
Birthdays often bring surprises. But this year’s surprise on the birthday of the great British playwright William Shakespeare is __21__ one of the most surprising.
On April 22, one day before his 441st birthday anniversary, experts __22__ that one of the most recognizable __23__ of William Shakespeare is a fake (赝品).
This __24__ that we no longer have a good __25__ of what Shakespeare looked like. “It’s very possible that many pictures of Shakespeare are unreliable because many of them are __26__ of this one,” said an expert from Britain’s National Portrait Gallery.
The _27_ comes after four months of testing. Experts from the gallery say the image — commonly known as the “Flower portrait” — was actually __28__ in the 1800s, two centuries __29_  Shakespeare’s death.
The art experts who work at the gallery say they used modern chemistry technology to __30__ the paint on the picture. These checks found traces (痕迹) of paint deep in the picture __31__ about 1814.
Shakespeare __32__ in 1616, and the date that appears on the portrait is 1609.
“We now think the portrait dates back to around 1818 to 1840. This was __33__ there was a new interest in Shakespeare’s__ 34__ ,” Tanya Cooper, the gallery’s 16th century curator (馆长) said.
The __35__ picture has often been used as a cover for __36__ of his plays. It is called the “Flower portrait” because one of its __37__, Desmond Flower, gave it to the Royal Shakespeare Company.
“There have always been __38__ about the authenticity (真实性) of the painting,” said David Howells, curator for the Royal Shakespeare Company.
“Now we know the truth, we can put the image in its proper place in the history of Shakespearean portraiture (画像技法),” he said.
Two other images of Shakespeare are also being studied as part of the investigation and the results will __39__later in May. But for now what Shakespeare really looked like will remain a __40__.
小题1:
A.surelyB.neverC.hardlyD.only
小题2:
A.wonderedB.doubtedC.foundD.considered
小题3:
A.playsB.masterpiecesC.portraitsD.photos
小题4:
A.recommendsB.advisesC.decidesD.means
小题5:
A.newsB.ideaC.design D.expression
小题6:
A.bargainsB.productionsC.copiesD.prints
小题7:
A.justiceB.discoveryC.inventionD.deed
小题8:
A.clonedB.developedC.paintedD.copied
小题9:
A.afterB.beforeC.sinceD.until
小题10:
A.tryB.removeC.washD.check
小题11:
A.looking backB.dating fromC.getting alongD.starting with
小题12:
A.diedB.was bornC.succeededD.was buried
小题13:
A.whyB.whenC.howD.what
小题14:
A.storiesB.picturesC.playsD.photos
小题15:
A.realB.originalC.valuableD.fake
小题16:
A.requirementsB.collectionsC.consequencesD.playwrights
小题17:
A.ownersB.paintersC.writersD.readers
小题18:
A.causesB.problemsC.questionsD.orders
小题19:
A.go aboutB.come outC.turn upD.break out
小题20:
A.surpriseB.problemC.secretD.mystery
题型:单项选择题

若程序中主轴转速为S1000,当主轴转速修调开关打在80时,主轴实际转速为()。

A、800

B、S8000

C、S80

D、S1000

题型:单项选择题

男性患者,68岁,突起剧烈压榨样胸痛、呕吐伴窒息感2小时入院。查心率110次/分,血压85/60mmHg,心电图示V1-V4导联ST段呈弓背向上抬高,律不齐。

该患者的处理原则,下列哪项不对?()

A.心电监护

B.消除恶性心律失常

C.减轻疼痛

D.抗凝治疗

E.扩容升压

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