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1、delegates, staff: hello! in the run-up to the spring festival, we held one session of four staff representatives conference 2013-workshop, full back in 2012, careful analysis of the current situation, discuss 2013 development plans. here, on behalf of my company 2013 work reports to the general asse
2、mbly, for consideration. pillar i, 2012 back in 2012, xx power companies adhere to the party's 17 great spirit for guidance, comprehensively implement the scientific concept of development, promoting cost-leadership strategy, standards, focus on implementation, lean management, continuously impr
3、ove, smooth present safety situation of enterprise management, business management and control scientific and standardized, and the dedication of staff, manage a harmonious and democratic atmosphere of the good situation. main indicators are as follows:-the battery indicator: power generation totale
4、d 7.815 billion kwh, beyond the annual budget implementation capacity of 315 million kwh, an increase of 757 million kwh. sales totaled 7.425 billion kwh, exceeding sales of 330 million kwh the annual executive budget, an increase of 729 million kwh. -security measures: unplanned outages 2.5 times.
5、no personal injury accident occurred, no major accident and above, no major fire accidents without environmental pollution accidents, safety for three consecutive years to maintain stability to good posture. business financial indicators: total profits of 255 million yuan, beyond the annual budget o
6、f 207 million yuan, beyond the datang company index 41.89 million yuan, an increase of 1.76 million yuan, fcm assessment at grade four. -energy: power supply standard coal completing 312.25 g/kwh, down 0.1 g/kwh; integrated auxiliary power consumption ratio in 5.12%, down 0.26%; pollutant emissions
7、performance greatly reduced compared to last year, carbon 0.09 g/kwh, sulfur dioxide 0.104 g/kwh nox 0.512 g/kwh; dust removal efficiency of more than 99.8%. -reliability index: equivalent availability factor in 93.47%, increased 7.95% from a year earlier. equivalent forced outage rate 0.08%, 0.16%
8、reduction over the same period a year earlier. major achievements: first, we should adhere to the two "management system" basis, strengthening technological research, strengthen hidden hazards control and intrinsic safety enterprise construction took new steps. -the two "management sy
9、stem" for improvement. focus on promoting the power of the company management system and the application and implementation of the safety loop five-star management system, improve the safety management system, realize the system of safety control. further regulate security routines, safety supe
10、rvision and management network role to play to achieve closed-loop. strengthening the supervision and management of habitual violation of, strengthening the safety supervision of outsourcing contractors. carried out in spring and autumn of security inspections, flood control and inspection, safety p
11、roduction month, day supervision of production safety and the olympic games and other!德州市九中2013-2014學(xué)年七年級(jí)下學(xué)期數(shù)學(xué)期中考試試題 一、選擇題 (本大題共10小題,每小題3分,共30分)1如圖所示,1和2是對(duì)頂角的是( )a b c d2計(jì)算的結(jié)果是 ( )a2 b±2 c2 d43實(shí)數(shù)2,0.3,中,無(wú)理數(shù)的個(gè)數(shù)有( )a1個(gè) b2個(gè) c3個(gè) d4個(gè)4我們常用如圖所示的方法過(guò)直線外一點(diǎn)畫已知直線的平行線,其依據(jù)是()a同位角相等,兩直線平行 b內(nèi)錯(cuò)角相等,兩直線平行 c同旁內(nèi)角互補(bǔ)
12、,兩直線平行d兩直線平行,同位角相等5估計(jì)的值 ( )a在3到4之間 b在4到5之間 c在5到6之間 d在6到7之間6方程組 的解為 ,則被遮蓋的兩個(gè)數(shù)分別為 ( )a5,2 b1,3 c2,3 d4,2 7把點(diǎn)(2,一3)先向右平移3個(gè)單位長(zhǎng)度,再向下平移2個(gè)單位長(zhǎng)度得到的點(diǎn)的坐標(biāo)是 ( )a(5,1) b(1,5)c(5,5) d(1,1)8若點(diǎn)p是第二象限內(nèi)的點(diǎn),且點(diǎn)p到x軸的距離是4,到y(tǒng)軸的距離是3,則點(diǎn)p的坐標(biāo)是 ( ) a(4,3) b(4,3) c(3,4) d(3,4)9甲、乙兩種商品原來(lái)的單價(jià)和為100元,因市場(chǎng)變化,甲商品降價(jià)10,乙商品提價(jià)40,調(diào)價(jià)后兩種商品的單價(jià)和比
13、原來(lái)的單價(jià)和提高了20若設(shè)甲、乙兩種商品原來(lái)的單價(jià)分別為x元、y元,則下列方程組正確的是 ( )a bc d第10題圖10如圖,數(shù)軸上表示1、的對(duì)應(yīng)點(diǎn)分別為點(diǎn)a、點(diǎn)b若點(diǎn)a是bc的中點(diǎn),則點(diǎn)c所表示的數(shù)為 ( ) a b c d二、填空題 (本大題共8小題,每小題4分,共32分)11如果用(7,1)表示七年級(jí)一班,那么八年級(jí)五班可表示成 12計(jì)算: 13把命題“等角的補(bǔ)角相等”寫成“如果,那么”形式為: 14已知是方程的解,則的值為 15一個(gè)正數(shù)的兩個(gè)平方根分別為a3和2a3,則a 16已知2a3b40,則17已知點(diǎn)a(4,3),aby軸,且ab3,則b點(diǎn)的坐標(biāo)為 .18三個(gè)同學(xué)對(duì)問(wèn)題“若方程
14、組的解是,求方程組的解”提出各自的想法甲說(shuō):“這個(gè)題目好象條件不夠,不能求解”;乙說(shuō):“它們的系數(shù)有一定的規(guī)律,可以試試”;丙說(shuō):“能不能把第二個(gè)方程組的兩個(gè)方程的兩邊都除以5,通過(guò)換元替換的方法來(lái)解決”參考他們的討論,你認(rèn)為這個(gè)題目的解應(yīng)該是 三、解答題 (本大題共8小題,共58分)19(本題滿分8分)(1)解方程:(2)解方程組: 20(本題滿分6分)如圖,abcd,be平分abc,dcb140°,求abd和edc的度數(shù)21(本題滿分6分)在y中,當(dāng)時(shí),y;時(shí),y;時(shí),y,求的值22(本題滿分6分)如圖,直線ab是某天然氣公司的主輸氣管道,點(diǎn)c、d是在ab異側(cè)的兩個(gè)小區(qū),現(xiàn)在主輸
15、氣管道上尋找支管道連接點(diǎn),鋪設(shè)管道向兩個(gè)小區(qū)輸氣有以下兩個(gè)方案:方案一:只取一個(gè)連接點(diǎn)p,使得向兩個(gè)小區(qū)鋪設(shè)的支管道總長(zhǎng)度最短;方案二:取兩個(gè)連接點(diǎn)m和n,使得點(diǎn)m到c小區(qū)鋪設(shè)的支管道最短,使得點(diǎn)n到d小區(qū)鋪設(shè)的管道最短om (1)在圖中標(biāo)出點(diǎn)p、m、n的位置,保留畫圖痕跡;(2)設(shè)方案一中鋪設(shè)的支管道總長(zhǎng)度為l1,方案二中鋪設(shè)的支管道總長(zhǎng)度為l2,則l1 與l2的大小關(guān)系為:l1 l2(填“”、“”或“”)c b da23(本題滿分6分)已知:如圖abbc,bccd且12,試說(shuō)明:becfcabdef12解:abbc,bccd(已知) 90°( ) 12(已知) (等式性質(zhì)) be
16、cf( )24(本題滿分8分)與在平面直角坐標(biāo)系中的位置如圖.分別寫出下列各點(diǎn)的坐標(biāo): ; ; ;說(shuō)明由經(jīng)過(guò)怎樣的平移得到? 若點(diǎn)(,)是內(nèi)部一點(diǎn),則平移后內(nèi)的對(duì)應(yīng)點(diǎn)的坐標(biāo)為 ;求的面積.25(本題滿分8分)如圖,deac于點(diǎn)e,bfac于點(diǎn)f,12=180°,試判斷agf與abc的大小關(guān)系,并說(shuō)明理由新課 標(biāo)第 一 網(wǎng)26(本題滿分10分)某商場(chǎng)第1次用39萬(wàn)元購(gòu)進(jìn)a、b兩種商品,銷售完后獲得利潤(rùn)6萬(wàn)元,它們的進(jìn)價(jià)和售價(jià)如下表:(總利潤(rùn)=單件利潤(rùn)×銷售量)(1)該商場(chǎng)第1次購(gòu)進(jìn)a、b兩種商品各多少件?(2)商場(chǎng)第2次以原價(jià)購(gòu)進(jìn)a、b兩種商品,購(gòu)進(jìn)b商品的件數(shù)不變,而購(gòu)進(jìn)a
17、商品的件數(shù)是第1次的2倍,a商品按原價(jià)銷售,而b商品打折銷售,若兩種商品銷售完畢,要使得第2次經(jīng)營(yíng)活動(dòng)獲得利潤(rùn)等于72000元,則b種商品是打幾折銷售的?德州市九中2013-2014學(xué)年七年級(jí)下學(xué)期七 年 級(jí) 數(shù) 學(xué) 答 題 紙(總分120分,時(shí)間120分鐘)特別提醒:請(qǐng)同學(xué)們把答案按要求寫在答題紙上規(guī)定的黑色矩形區(qū)域內(nèi),超出答題紙區(qū)域的答案無(wú)效!一、選擇題(本題共10小題,每小題3分,共30分下列各題都有代號(hào)為a、b、c、d的四個(gè)結(jié)論供選擇,其中只有一項(xiàng)是符合題目要求的)題號(hào)12345678910答案二、填空題(本題共8小題,每小題8分,共32分直接把最后的結(jié)果填在橫線上,不需寫出解答過(guò)程)
18、 11_ 12_ 13_ _ 14_15_ 16_ 17_ _ 18_三、解答題(本題共8小題,共56分解答時(shí)應(yīng)在指定區(qū)域內(nèi)寫出文字說(shuō)明、證明過(guò)程或演算步驟)19計(jì)算(本小題每題4分,滿分8分)(1)解方程: (2)解方程組:20(本小題滿分6分)21(本題滿分6分)22(本題滿分6分)(1)c db da(2)l1 l2(填“”、“”或“”)23(本題滿分6分)cabdef12解:abbc,bccd(已知) 90°( ) 12(已知) (等式性質(zhì)) becf( )24(本題滿分8分) ; ; ; ;求的面積.25(本題滿分7分)26(本題滿分9分) 德州市九中2013-2014學(xué)年
19、七年級(jí)下學(xué)期七 年 級(jí) 數(shù) 學(xué) 參 考 答 案一、選擇題題號(hào)12345678910答案cabacdccbd二、填空題11、(8,5) 12、 13、如果兩個(gè)角相等,那么這兩個(gè)角的補(bǔ)角相等或(如果兩個(gè)角是相等的兩個(gè)角的補(bǔ)角,那么這兩個(gè)角相等) 14、315、2 16、13 17、(4,6)或(4,0) 18、三、解答題 19、(1)解: x1±2 (2分) x 3或1 (4分) (2)解: 得:x 1 (2分) 把x 1代入得:y2 (3分)原方程組的解為 (4分)(用代入法解參照給分)20、解: abcdcabc180° (2分)c140°abc40°
20、(3分)又be平分abcabdecb20° (4分)又abcd bdcabd20° (5分)edc180°bdc160° (6分) 21、解: 由題意得: (3分)把c0代入、得: (4分)解得:a1,b3 (5分)a1,b3,c7 (6分)22、解:(1)圖略畫垂線段各2分,少直角標(biāo)志扣1分,連接cd 1分 (5分)(2)l1 l2 (6分)23、解:abbc,bccd(已知) (每空1分,共6分) abcdcb90°( 垂直的定義 ) 12(已知) ebc fcb (等式性質(zhì))新課 標(biāo)第 一 網(wǎng) becf( 內(nèi)錯(cuò)角相等,兩直線平行 )24、
21、解:(1)(3,1); (2,2) ; (1,1) ; (3分) (2)先向左平移4個(gè)單位,再向下平移2個(gè)單位 或 先向下平移2個(gè)單位,再向左平移4個(gè)單位 (4分) (3)(a4,b2) (5分)(4)將補(bǔ)成長(zhǎng)方形,減去3個(gè)直角三角形的面積得: 61.50.522 (8分)(補(bǔ)成其他圖形均可,酌情給分)25、解:agfabc (1分)理由如下:deac,bfac afbaed90° (2分)bfde (3分) 23180° (4分)又12180°13 (5分)gfbc (6分)agfabc (7分) (5分)整理得:解得:答:第1次購(gòu)進(jìn)a商品200件,b商品150
22、件 (6分) (3分):26、解:(1)設(shè)第1次購(gòu)進(jìn)a商品x件,b商品y件由題意得: (2)設(shè)b商品打m折出售由題意得: (8分)解得:9 (9分)答:b商品打9折銷售的主要介紹的是永磁直流電動(dòng)機(jī);首先簡(jiǎn)述了永磁電機(jī)、永磁直流電動(dòng)機(jī)從產(chǎn)生到到逐步改善的發(fā)展過(guò)程,以及以此為基礎(chǔ)的未來(lái)發(fā)展的趨勢(shì);activities, comprehensive and tamping safety foundation . troubleshooting, management mechanism, give full play to role of technical supervision and real
23、ization of troubleshooting, management, improved process management. this year completed the boiler lower header leakage, boiler pressure, a major risk management, completed 29 of great risks and 3 general problems of governance. complete chemistry lab construction, thermal control, and complete the
24、 boiler scale integrated management, host shafting vibration of 10 scientific and technological projects, such as. complete supercritical 630mw on-line simulation system development and application of circulating water mcc standby power transformation, the transformation of desulfurization waste wat
25、er, the unit water supply system of comprehensive treatment and discharge valve modification of coal mill 5 key technological transformation projects, group health is improved. -science and technology innovation is further increased. strengthen the characteristics of supercritical unit major issues,
26、 gradually clearing the particularity of supercritical unit and regularity. developed motor oil time management, switch action times, statistics, coal-aided measurement software, improves the production level of lean management. increased investment in science and technology, reporting science and t
27、echnology projects and 14 technical project total cost percentage of the total annual production output of 0.25%. "large-scale coal-fired power plant flue gas desulfurization, denitrification complete development and application of key technologies" project, won the national science and te
28、chnology progress second prize. 630mw supercritical units optimized control strategies and the 630mw development and application of on-line simulation system for supercritical units, supercritical 600mw units of turbine driven boiler feed pump set of comprehensive treatment of defects datang technology respectively one or two and third. meanwhile, information technology achievements, the company was named "china power information technology benchmarking e
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