【正文】 度。+∠BOC=90176?？汕蟮谩螦OC的值，再根據(jù)角與角的關(guān)系轉(zhuǎn)換求解：∵∠AOD=∠AOC+∠DOC=∠AOC+90176。故選D。故選A。故選B。又∠EFG=40176。D、90176。4.（江蘇省常州市2005年2分）如圖，已知AB∥CD，直線 分別交AB、CD于點(diǎn)E、F，EG平分∠BEF，若∠EFG=40176。【考點(diǎn)】平行線分線段成比例?！痉治觥緼、也就是9，9的平方根是177?！痉治觥繌?條線段里任取3條線段組合，可有4種情況，看哪種情況不符合三角形三邊關(guān)系，舍去即可：首先進(jìn)行組合，則有3，5，7；3，5，10；3，7，10；5，7，10四種情況，根據(jù)三角形的三邊關(guān)系，則其中的3，5，10和3，7，10不能組成三角形。方向，B城市的北偏西45176。（）2如圖，某種新型導(dǎo)彈從地面發(fā)射點(diǎn)L處發(fā)射，在初始豎直加速飛行階段，導(dǎo)彈上升的高度y（km）與飛行時(shí)間x（s）之間的關(guān)系式為（0≤x≤10）．發(fā)射3s后，導(dǎo)彈到達(dá)A點(diǎn)，此時(shí)位于與L同一水平面的R處雷達(dá)站測(cè)得AR的距離是2km，再過(guò)3s后，導(dǎo)彈到達(dá)B點(diǎn)．（1）求發(fā)射點(diǎn)L與雷達(dá)站R之間的距離；（2）當(dāng)導(dǎo)彈到達(dá)B點(diǎn)時(shí)，求雷達(dá)站測(cè)得的仰角（即∠BRL）的正切值．2如圖，為測(cè)量江兩岸碼頭B、D之間的距離，從山坡上高度為50米的A處測(cè)得碼頭B的俯角∠EAB為15176。1對(duì)于三個(gè)數(shù)a,b,c，用M{a,b,c}表示這三個(gè)數(shù)的平均數(shù)，用min{a,b,c}表示這三個(gè)數(shù)中最小的數(shù)．例如：； ；解決下列問(wèn)題：（1）填空： =；如果，則x的取值范圍為 ．（2）①如果，求x的值；②根據(jù)①，你發(fā)現(xiàn)了結(jié)論“如果，那么（填a,b,c的大小關(guān)系）”．證明你發(fā)現(xiàn)的結(jié)論；③運(yùn)用②的結(jié)論，填空：，則x+y=．（3）在同一直角坐標(biāo)系中作出函數(shù)y=x+1，y=2x的圖象（不需列表描點(diǎn)）．通過(guò)觀察圖象，填空： 的最大值為．1如圖，已知拋物線 的對(duì)稱(chēng)軸為直線x＝1，且拋物線經(jīng)過(guò)A(－1,0)、C(0，－3)兩點(diǎn)，與x軸交于另一點(diǎn)B.(1)求這條拋物線所對(duì)應(yīng)的函數(shù)解析式；(2)在拋物線的對(duì)稱(chēng)軸直線x＝1上求一點(diǎn)M，使點(diǎn)M到點(diǎn)A的距離與到點(diǎn)C的距離之和最小，并求出此時(shí)點(diǎn)M的坐標(biāo)；(3)設(shè)點(diǎn)P為拋物線的對(duì)稱(chēng)軸直線x＝1上的一動(dòng)點(diǎn)，求使∠PCB＝90176。讓我們共同保護(hù)好環(huán)境，還我們家園以鳥(niǎo)語(yǔ)花香的本來(lái)面目。（2）這次演出的節(jié)目以渾厚雄厚的交響樂(lè)為主。（3）句末添加觀眾浩然高科技大廈在上海交大落成略D略青海湖和鳥(niǎo)島概況；鳥(niǎo)島上鳥(niǎo)類(lèi)的活動(dòng)；鳥(niǎo)類(lèi)聚集高原湖泊的原因。1《虞美人》《眼兒媚》《高陽(yáng)臺(tái)》《入塞》《垂楊》《金蕉葉》《驀山溪》《柳梢青》《臺(tái)城路》《尋梅》《湘月》《木蘭花》。的點(diǎn)P的坐標(biāo)．改革開(kāi)放以來(lái)，某鎮(zhèn)通過(guò)多種途徑發(fā)展地方經(jīng)濟(jì)，1995年該鎮(zhèn)年國(guó)民生產(chǎn)總值為2億元，根據(jù)測(cè)算，該鎮(zhèn)國(guó)民生產(chǎn)總產(chǎn)值為5億元時(shí)，可達(dá)到小康水平。碼頭D的俯角∠EAD為45176。方向上。故選B。3，正確，故本選項(xiàng)正確；B、平行四邊形是中心對(duì)稱(chēng)圖形，對(duì)角線的交點(diǎn)是對(duì)稱(chēng)中心，故本選項(xiàng)正確； C、單項(xiàng)式 與 是相同字母的次數(shù)不同，不是同類(lèi)項(xiàng)，故本選項(xiàng)錯(cuò)誤； D、103有三個(gè)有效數(shù)字，正確?！痉治觥俊逥E∥BC，∴AD：DB=AE：EC。則∠EGF的度數(shù)是【】A、60176。 【答案】B?！唷螧EF=140176。5.（江蘇省常州市2006年2分）銳角三角形的三個(gè)內(nèi)角是∠A、∠B、∠C，如果，那么、這三個(gè)角中【】A．沒(méi)有銳角B．有1個(gè)銳角C．有2個(gè)銳角D．有3個(gè)銳角 【答案】A。6.（江蘇省常州市2007年2分）下列軸對(duì)稱(chēng)圖形中，對(duì)稱(chēng)軸的條數(shù)最少的圖形是【】 A．圓B．正六邊形C．正方形D．等邊三角形 【答案】D。二、填空題3.（江蘇省常州市2002年1分）將兩塊直角三角尺的直角頂點(diǎn)重合為如圖所示的形狀，若∠AOD=1270，則∠BOC=▲.【答案】53。=127176。∴∠BOC=53176?！敬鸢浮?0。－2∠β=80176。－（∠BAC＋∠ABC）=40176。sinα=▲?！唷夕?90176。=。【答案】60。－120176。再沿直線前進(jìn)10米，又向左轉(zhuǎn)30176?！痉治觥扛鶕?jù)題意，小亮這樣走法形成一個(gè)正多邊形，由平角定義，知正多邊形的每個(gè)內(nèi)角等于1500?！?【答案】60：。－30176。9.（江蘇省常州市2008年2分）如圖，在△ABC中BE平分∠ABC，DE∥BC，∠ABE=35176?！究键c(diǎn)】角平分線的定義，平行線的性質(zhì)?！逥E∥BC，∴∠DEB=∠EBC=35176?！敬鸢浮?00。＝60176。【答案】300?！究键c(diǎn)】三角形的面積。設(shè)格點(diǎn)多邊形的面積為S，它各邊上格點(diǎn)的個(gè)數(shù)和為。此時(shí)所畫(huà)的各個(gè)多邊形的面積S與它各邊上格點(diǎn)的個(gè)數(shù)和 之間的關(guān)系式是：S=。（3）。每個(gè)句子聽(tīng)兩遍。從A、B、C三個(gè)選項(xiàng)中，選擇最佳答案,并在答題卡上將 該項(xiàng)涂黑。, he can’’s the woman’s favorite Chinese festival? Lantern Spring Midautumn ，從A、B、C三個(gè)選項(xiàng)中，選擇最佳答案，并在答題卡上將 該項(xiàng)涂黑。短文聽(tīng)三遍。is； is； will be； was 26.—Were you at home at 9:00 last night? I called you but nobody answered.—Sorry，I ______ at that a shower a shower taking a shower taking a shower 27.—Mum, I can39。（每小題2分，共20分）A American boys and girls love to watch children spend six hours a day in school and four to six hours a day in front of the television even watch television for eig ht hours or more on are like books or child can leam bad things and good things from shows help children to understand the news and places from other countries or other times in television a child does not have to go to the zoo to see animals or to the ocean to see a and girls can see a play, a concert or a game at brings many places and events into our programs show crime and other things that are bad for children，so parents sometimes help them to find other interesting things to n usually spend ______ a day in hours than eight hours a few hours hours children spend eight hours or more ______ on TV their parents television children can see animals everything 44.“Television brings many places and events into our homes. means ______ makes things happen on homes can know places and events without going to see them can see houses and buildings on TV can find them easily sometimes help their children find other things to do when there is ______ for bad program animal game uninteresting film B William Henry Harrison, the ninth president of the US, was bom in a small he was a boy, he was very quiet and he was so quiet, every one thought that he wasn39。請(qǐng)把答案寫(xiě)在答題卡相應(yīng)的位置。 many people were surveyed about the Chinese Lunar New Year? was the survey done? holding family gettogethers a Lunar New Year tradition? 任務(wù)三：翻譯將短文中的劃線部分翻譯成中文。t __________(吼）！I can hear wanted to buy a __________(新的） your eyes 39。ll see ：It39。請(qǐng)?jiān)诖痤}卡相應(yīng)位罝答題。（10分）活動(dòng)時(shí)間:2012年6月14日下午3:004:00 活動(dòng)內(nèi)容:用英語(yǔ)交談?dòng)⒄Z(yǔ)學(xué)習(xí)的方法 活動(dòng)地點(diǎn):學(xué)校圖書(shū)館 參加人數(shù):英語(yǔ)教師和學(xué)生共100余人 活動(dòng)效果:學(xué)生積極參與，有利于促進(jìn)英語(yǔ)學(xué)習(xí),是某校八年級(jí)學(xué)生，感到學(xué)習(xí)任務(wù)太重,每天要學(xué)習(xí)的科 目多，老師布罝的作業(yè)多，連周末和節(jié)假日都有做不完的作業(yè)，很多時(shí)候放學(xué)后 老師還要補(bǔ)課，每天幾乎都沒(méi)有屬于自己的時(shí)間，睡眠時(shí)間嚴(yán)重不足，身心疲憊，不知道怎么辦。（共12分，每小題1分）請(qǐng)聽(tīng)一段對(duì)話，完成第5至第6小題。s the man39。s the speaker mainly talking about? do the students usually do duringthe lesson? their does the speaker think of his way of teaching? bores the saves time 、聽(tīng)對(duì)話，根據(jù)所聽(tīng)到的對(duì)話內(nèi)容和提示詞語(yǔ)，記錄關(guān)鍵信息。 lovely girl is from name is 23.—Is your father home? —No，he’s working late ____ the were only two paintings for sale and he bought ’s ____ for a walk, shall we? go 26.—Where were you last Saturday? —I ____ in the Capital be been 27.—Mum, must I wash the dishes right now? —No, you ’t ’t’t’t work hard this term, but Peter works much hardest 29.—May I speak to the headmaster? —He ____ a meeting I take a message? having have are no buses, ____ you’ll have to 31.— ____ is the dictionary? —It’s $ old long thick much ____ since he moved to ’t hear from’t hear from ’t hear from’t heard from, puters are really ____ used used 34.—Can you tell me ____ the prize, Tom? —Last year。s waited for a second and knew what I had to much as I wanted to be on Smart Aleck,Carla wanted __42__ even ,starting with my next question,I held back and le t Carla __43__,just by a little expression as she __44__ she would be on the show made up for my not being on the since I will go as backup,I39。t hurt the team because Carla will be a very good petitor on the real think that making my best friend happy was the right thing to [來(lái)新 課標(biāo) 第一 網(wǎng) 閱讀理解（共44分）六、閱讀下列短文，根據(jù)短文內(nèi)容，從短文后各題所給的A、B、C、D四個(gè)選項(xiàng)中，選擇最佳選項(xiàng)。t understand any of it,”she cries shouting and shutting her door,she calms down enough to go through her following dry I ask her ho