某中年男性,因头晕、乏力、柏油样便入院诊治,既往有反酸及上腹痛史。体格检查:腹软,肝

题型:单项选择题

问题:

某中年男性,因头晕、乏力、柏油样便入院诊治,既往有反酸及上腹痛史。体格检查:腹软,肝脾未触及,全腹无压痛,未触及包块。大便隐血试验(+++)。

哪项检查有利于迅速明确诊断

A.纤维胃镜

B.腹部CT

C.腹部B超

D.纤维肠镜

E.腹部平片

考点:放射医学技师放射技师基础知识初级放射医学技师基础知识
题型:单项选择题

P单质在反应4P+3KOH+3H2O=3KH2PO2+PH3中(  )

A.被氧化

B.被还原

C.既被氧化又被还原

D.既未被氧化又未被还原

题型:单项选择题

It’s interesting that the arrival of snow has a different effect on people in different countries. For some countries it is an important happening to celebrate each year, while for others it is a catastrophe (灾难).

There are countries between these two extremes that normally expect snow some time over the winter months, but never receive snow regularly or in the same quantities every year. Britain is one such country, for which the arrival of snow quite simply creates problems. Within hours of the first snowfall, however light, roads are blocked, trains and buses stop in the middle of traffic. Normal communications are affected as well, telephone calls become difficult and the post immediately takes more time than usual. Almost within hours, there are also shortages(缺乏) –bread, vegetables and other things – not because all these things can no longer be produced or sent to shops, but mainly because people are frightened, and go out to store up these commodities, “just for fear that something bad should happen.”

Why then does snow have this effect? After all, the Swiss, Austrians and Canadians don’t have such problems. It is simply because there is not enough plan and preparation. We need money to buy equipment to deal with snow and ice. To keep the roads clear, for example, requires snow ploughs and machines to spread salt. The reason why a country like Britain does not buy some ploughs is that they are only used for a few days in any one year, and the money could be more useful in other things such as hospital education or helping the old.

小题1:According to the writer, Britain is a country____.

A.which has regular snow

B.which is not well prepared for snow

C.for which snow is not a catastrophe

D.for which snow is a wonder小题2:The arrival of snow in Britain affects all of the following except____

A.traffic

B.communication

C.food supplies

D.service quality小题3:After a few hours’ snowing there are often shortages of food because______

A.shops have closed down

B.people buy as much as they can

C.farmers can’t produce any more

D.people eat more vegetables in winter小题4:The first reason why the British don’t buy snow ploughs is that______

A.spreading salt is good enough

B.old people need more money

C.snow ploughs are not used often

D.the hospital is more important

题型:单项选择题

转炉出钢为什么要挡渣?目前挡渣方法有哪些?

题型:单项选择题

气滞血瘀型闭经的治法是

A.燥湿祛痰,活血调经
B.理气活血,化瘀调经
C.补肾养肝,养血调经
D.清热利湿,活血调经
E.散寒利湿,活血调经

题型:单项选择题

国家机关,军队,社会团体,企事业单位,居民委员会和村民委员会应承担的的献血动员和组织工作是()。

A、按政府有关部门分配的献血指标组织适龄公民参加献血

B、动员和组织本*单位或者本居住区的适龄公民参加献血

C、动员和组织身边不愿意献血的公民

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