进程存在的标志是______。

题型:填空题

问题:

进程存在的标志是______。

考点:计算机等级考试数据库技术三级数据库技术笔试
题型:填空题

当今世界三大环境问题是酸雨、臭氧层的破坏和温室效应,其中造成酸雨的主要原因是人们向空气排放了大量的有害气体,它们主要是……… (    ).

A.CO和CO2

B.SO2和CO2

C.NO2和SO2

D.O3和CO

题型:填空题
The Voice of America began during the World WarⅡ, when Germany was broadcasting a radio program to get international   36 . American officials believed they should   37   the German broadcast with words that they thought were the facts of world events. The first VOA news report began with words in   38 . “The   39  may be good or bad, but we shall tell you the truth.” Within a week, other VOA   40  were broadcasting in Italian, French and English.
After the World War Ⅱended in 1945, some Americans felt VOA’s   41  had to be changed, 42  the Soviet Union(苏联)became enemy of America. They wanted to   43  Soviet listeners. Then VOA began broadcasting in Russian.
In the early days VOA began adding something new to its Broadcast that was   44     “Music USA”. Another new idea came along in 1959. VOA knew that many listeners did not know _ 45  English to completely understand its   46  English broadcast. So VOA   47  a simpler kind of English,   48  uses about 1,500 words and is spoken   49 . Of course, it is special English.
In the   50  of most VOA listeners, the most   51  program is the news report. News from around the world   52  into the VOA news room in Washington 24 hours a day. It comes from VOA reporters in   53  cities and also from other   54  like BBC. VOA writers and editors use these materials to   55  news reports, which are being broadcast in 43 languages.
小题1:
A.businessB.culture C.support D.information
小题2:
A.reply B.answer C.join D.interrupt
小题3:
A.time B.short C.EnglishD.German
小题4:
A.news B.problems C.effects D.opinions
小题5:
A.programs B.news C.announcers D.officials
小题6:
A.home B.position C.purpose D.result
小题7:
A.if B.consideringC.supposing D.in order that
小题8:
A.reach B.satisfy C.attack D.support
小题9:
A.known B.reported C.called D.printed
小题10:
A.poor B.excellentC.standard D.enough
小题11:
A.normal B.fast C.good D.exact
小题12:
A.stoppedB.discovered C.taught D.invited
小题13:
A.it B.which C.who D.that
小题14:
A.slowly B.rapidly C.normally D.loudly
小题15:
A.please B.course C.opinion D.advice
小题16:
A.difficult B.important C.various D.common
小题17:
A.pastB.send C.deliver D.fly
小题18:
A.all B.major C.American D.news
小题19:
A.broadcasts B.forms C.newspaper D.countries
小题20:
A.broadcast B.announce C.translate D.prepare
题型:填空题

油嘴调产时,缩小油嘴,油压升高,泵扬程(),泵工作点向泵特性曲线的()滑移,排量减小,产量减少。

A、升高、左边

B、升高、右边

C、降低、左边

D、降低、右边

题型:填空题

肺炎球菌肺炎痰可呈

A.铁锈色痰
B.砖红色痰
C.蓝绿色痰
D.白色泡沫痰
E.大量脓臭痰

题型:填空题

在院内获得性感染中,最常见的是()

A.金黄色葡萄球菌肺炎 

B.肺炎链球菌肺炎 

C.克雷白杆菌肺炎 

D.铜绿假单胞杆菌肺炎 

E.流感嗜血杆菌肺炎

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