On the basis of analysis of the cause of fire, the paper suggests a countermeasure against coal fire,which consists of prediction of the law of fire ignition and the new technology and material researches to prevent and put out a fire as well.

在分析我國煤田煤礦區(qū)火災的起因基礎上亚洲色图综合图区，本文提出了以研究預測預報煤田煤礦區(qū)發(fā)火規(guī)律為主偷拍乱操视频，滅火技術并進的防滅火對策。

The characteristics that the violent type teenager commits crime:From crime of the cause see, premeditate sex with abrupt keep both;See from the organized form of crime, present the regiment trend which turns a development;See from the means of crime, cruelty and cruel, have no to have scruples about;Harm person's relationship with victim to see from, harms a person before carrying out a crime to include the contact of certain degree to even have intimacy to relate to with victim of share an equal comparison.

暴力型青少年犯罪的特點：從犯罪的起因看欧美老熟妇乱偷高清播放，預謀性和突發(fā)性并存久久精品国亚洲A∨麻豆；從犯罪的組織形式看，呈團伙化發(fā)展的趨勢欧美日韩国产成A免费网站；從犯罪的手段看亚洲综合另类图片久久，兇狠殘暴，毫無顧忌欧美性爱第一页在线播放；從施害人和被害人的關系看亚洲婷婷五月天综合激情网，施害人在實施犯罪前和被害人有一定程度的接觸甚至具有親密關系的占相當比例。

Our premier task is to find out the cause of the disease.

我們的主要任務是找到疾病的起因亚洲日韩视频第一页。

The bread-and-butter concerns of 2008 - high unemployment, job insecurity and overcrowded schools - may be very different from the more idealistic causes of May 1968. But, activists like Prevost of the UNEF student union say, young people today are as eager for change as 40 years ago.

高失業(yè)率，工作無保障以及擁擠的學校成為法國2008年最基本的問題欧美熟线视频免费精品，也許這相對于68年暴動起因有很大不同久久综合精品一区无码，但法國全國學生聯(lián)合會中的激進分子認為人們現(xiàn)在對于改變的渴望程度與四十年前差不多

All of these civilizations disappeared without leaving proof of their existence, and no scholar or sage can name the cause of their decline.

所有的文明消失了，沒有留下他們存在過的證明亚日日日日日视频，沒有學者或圣賢能確定他們衰落的起因欧美黄色网站视频。

He started an inquiry into the cause of the fire, and prosecuted it for several weeks.

他開始了關于火災起因的調(diào)查，并且在幾個星期中持續(xù)這項調(diào)查偷拍自偷拍。

Directly behind is the Prowler, but what are the two propeller ?

直接起因是徘徊者国产熟女大声叫受不了视频，但有兩個螺旋槳

Two more cases of the $23 quadrillion charge showing up on credit card statements for packs of cigarettes have been reported in Memphis, Tenn., and in Texas.

另外兩起因為買香煙被索要兩億三千萬億美元的事情發(fā)生在田納西的曼菲斯和德克薩斯。

Before Quesnay and the French economists there existed only a practice of political economy which was exercised by the State officials, administrators, and authors who wrote about matters of administration, occupied themselves exclusively with the agriculture, manufactures, commerce, and navigation of those countries to which they belonged, without analysing the causes of wealth, or taking at all into consideration the interests of the whole human race.

在魁奈一派法國經(jīng)濟學家以前色哟在线视，只有在實地應用下存在的政治經(jīng)濟學亚洲欧美日韩A片一级，那是由公務人員或行政官們來執(zhí)行的；至于敘述這類問題的作者一级A片大片免费上线观看，他們所寫的只是屬于他們自己國家的農(nóng)工商業(yè)與海運業(yè)事項自拍偷拍第六页，完全以這一范圍為限，關于財富的起因這類問題是不加分析的男女在床做黄app免费下载，關于全人類利益這類問題是絕對不予考慮的黄页网站大全免费。

Scientists believe that radon is the second leading cause of lung cancer in the United States.

科學家相信氡氣是肺癌的第二主導的起因在美國。