已知cos0.70=a,cos0.71=b,则用线性插值方法可求出cos0.702的

题型:单项选择题

问题:

已知cos0.70=a,cos0.71=b,则用线性插值方法可求出cos0.702的近似值为()。

A.(a+4b)/5 

B.(4a+b)/5 

C.(a+3b)/4 

D.(3a+b)/4

考点:计算机软件水平考试初级程序员计算机水平考试初级程序员2010年上半年上午真题
题型:单项选择题

2009年前三个季度,我国规模以上电子信息制造业扭转了上半年下滑的势头,但比去年同期增速下降10个百分点以上。重点产品增长面逐步扩大。9月,重点监测的27个产品中,14个产品产量出现正增长,比上半年多了3个产品;其中计算机、显示器、彩电、数码相机继续保持增长,手机、集成电路扭转上个月下降的势头,分别增长2.4%、4.7%。1-8月,规模以上电子信息制造业实现主营业务收入29618亿元,同比下降4.8%,实现利润892亿元,同比下降21.5%,二者降幅分别比1~5月缩小3.7、19.5个百分点。电子信息11个行业中实现利润增长的行业扩大为4个,其中通信设备、视听产品行业分别增长28.1%、6.4%,计算机、电子元件行业分别下降35.5%,29.4%,电子器件行业扭亏为盈,实现利润35亿元。2009年1~9月,我国规模以上电子信息制造业完成出口交货值20329亿元,同比下降10.6%。1~9月全行业实现出口交货值占销售产值的比重为57.6%,比去年同期回落5.7个百分点。1~9月,电子信息产业500万元以上项目完成固定资产投资2808亿元,同比增长17.2%,增速低于去年同期12.1个百分点,低于同期全国制造业增速11.5个百分点。

2008年1~9月,电子信息制造业全行业实现销售产值约为()。

A.33109亿元

B.35923亿元

C.37988亿元

D.40276亿元

题型:单项选择题

Each year several thousand people are killed on the road in Great Britain . Every year between one and two hundred thousand people are injured(伤害), or killed in road accidents .

If you are in England and if you listen to the eight o’clock news from BBC , you will often hear news of road accidents . You may hear something like this “ On last Monday evening , at about twenty minutes to ten , a cyclist was knocked down by a truck at crossing of Oak Road and High Street in Croydon . The cyclist has died from his injuries . Anyone who saw the accident please communicate(联系)with New Scotland Yard , telephone number Whitehall one , two , one , two .”

Accidents are often caused(引起)by carelessness. (2) 如果每个人都遵守交通规则,道路将会更安全得多。 How can we make the road safer ?

(3) In Great Britain traffic keeps on to the left . Motor-cars , trucks , buses and cyclists must all keep to the left side of the road . In most other country traffic keeps to the right .

Before crossing the road , stop and look both ways . Look right , look left again . Then , if you are sure that the road is clear, that there is nothing coming , it is safe to cross the road . If you see small children , or very old people , or blind people , waiting to cross the road , it is kind act to help (4) them to cross the road in safety .

(5) We must teach young children to cross the road safely . We must always give them a good example . Small children mustn’t play in the street .

阅读短文,按要求完成下面的任务。

小题1:回答问题1. How many people are injured in Great Britain every year ?

小题2:将2处翻译为英语。

小题3:将3处翻译为汉语。

小题4:找出4处”them”的指代对象。

小题5:将5处改写为被动语态。

题型:单项选择题

手太阴肺经在上肢的分布是()。

A.内侧前廉

B.外侧前廉

C.内侧中行

D.外侧后廉

E.内侧后廉

题型:单项选择题

交流发电机试验的主要内容有哪些?

题型:单项选择题

将钢材分为沸腾钢、镇静钢的分类标准为()。

A.按冶炼炉的种类分类

B.按质量分类

C.按脱氧程度和浇铸方法分类

D.按特殊性能分类

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