女性,16岁,早上起床后觉腹部隐痛不适,不思饮食,但还坚持上学,放学回家后渐觉右下腹

题型:单项选择题

问题:

女性,16岁,早上起床后觉腹部隐痛不适,不思饮食,但还坚持上学,放学回家后渐觉右下腹疼痛并恶心。遂去医院检查示:右下腹压痛,体温37.8℃,脉搏 80次/分,白细胞10×109/L。

最可能的诊断是

A.梅克尔憩室

B.输尿管结石

C.输卵管炎

D.阑尾炎

E.肠系膜淋巴结炎

考点:骨外科学主治医师骨外科基础知识骨科主治医师基础知识
题型:单项选择题

如图所示,完全相同的甲、乙、丙三艘潜水艇,甲漂浮,受到的浮力为F;乙悬浮,受到的浮力为F;丙沉入海底,受到的浮力为F.下列说法正确的是

A.漂浮和悬浮时,受到的浮力等于重力,F=F

B.乙悬浮时,浮力等于重力,丙沉入海底时浮力小于重力,FF

C.甲漂浮排开水的体积最小,丙沉入海底排开水的体积最大,FFF

D.甲漂浮时VV,乙和丙浸没时V¢=VFF=F

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行走的支承装置支承在()

A、闸门;

B、主梁;

C、纵梁;

D、面板。

题型:单项选择题

烟草中什么物质会导致成瘾?

题型:单项选择题

Personality is to a large extent inherent. A-type parents usually (1) A-type offspring. But the environment must also have a profound effect (2) if competition is important to the parents, it is (3) to become a major factor in the lives of their children.

One place where children (4) A characteristics is school, which is, (5) its very nature, a highly competitive institution. Too many schools (6) the "win at all costs" moral standard and measure their success by sporting achievements. The current (7) for making children compete against their classmates or against the (8) produces a two-layer system, in which competitive A types seem in some way better than their B type fellows. Being too (9) to win can have dangerous consequences: remember that Pheidippides, the first marathon runner, (10) dead seconds after saying. "Rejoice, we conquer!"

(11) the worst form of competition in schools is the disproportionate emphasis on examinations. There is, for example, a (12) school that allows pupils to concentrate on those things they do well. The (13) of competition by examination are somewhat questionable, but competition in the certain (14) of failure is positively harmful.

(15) , it is neither practical nor desirable that all A youngsters change into B’s. The world needs types, and schools have an important duty to try to (16) a child’s personality to his possible future employment. It is top management.

If the preoccupation of schools with academic work was (17) , more time might be spent teaching children surer values. Perhaps selection (18) the caring professions, especially medicine, could be made less by good grades in chemistry and more by such (19) as sensitivity and sympathy. It is surely a mistake to choose our doctors exclusively from A type stock. B’s are important and should be (20) .

9()

A.liable

B.ready

C.keen

D.fond

题型:单项选择题

数控程序由()部分组成。

A.程序名

B.程序内容

C.程序代码

D.程序结束

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