20212022學年度第一學期期末調研測試題 數(shù) 202201本試題分試卷和答題卡兩部分.第卷共2頁,滿分為48分;第卷共6頁,滿分為102分.本試題共8頁,滿分為150分.考試時間為120分鐘.答卷前,請考生務必將自己的姓名、準考證號、座號、考試科目涂寫在答題卡上,并同時將考點、姓名、準考證號、座號填寫在試卷規(guī)定的位置.考試結束后,將試卷、答題卡一并交回.本考試不允許使用計算器.I卷(選擇題  48分)注意事項:卷為選擇題,每小題選出答案后,用2B鉛筆把答題卡上對應題目的答案標號涂黑;如需改動,用橡皮擦干凈后,再選涂其他答案標號.答案寫在試卷上無效.一、選擇題(本大題共12個小題,每小題4分,共48分.在每小題給出的四個選項中,只有一項是符合題目要求的.)1下列各組量中,不是互為相反意義的量的是A.收入80元與支出30  B.上升20米與下降15 C.超過5厘米與不足3厘米            D.增大2歲與減少22.為全面掌握某小區(qū)居民新冠疫苗接種情況,社區(qū)工作人員設計了以下幾種調查方案:方案一:調查該小區(qū)每棟居民樓的10戶家庭成員的疫苗接種情況;方案二:隨機調查該小區(qū)100位居民的疫苗接種情況;方案三:對本小區(qū)所有居民的疫苗接種情況逐一調查統(tǒng)計.在上述方案中,能較好且準確地得到該小區(qū)居民疫苗接種情況的是A方案一 B.方案二 C.方案三 D.以上都不行3.下列各組數(shù)中,與數(shù)值1相等的是A1 B.(12020 C|1| D12020 4.下列各圖中表示線段MN,射線PQ的是AB CD5.下列運算正確的是A B C D6綠水青山就是金山銀山,某地積極響應黨中央號召,大力推進農(nóng)村廁所革命,已經(jīng)累計投資1.012×108元資金.數(shù)據(jù)1.012×108可表示為A10.12       B1.012       C101.2        D1012 7.一個不透明的布袋中裝有1個白球和2個紅球,它們除顏色不同以外其他都相同,從布袋中任意摸出一個球是白球的概率為A B C D18.下列方程中,解為x=2的是A2x=6 Bx+2=0 Cx2=0 D3x+6=09.下面的幾何體中,哪一個不能由平面圖形繞某直線旋轉一周得到A    B      C   D10.如圖,點C在線段AB上,AB10,AC4,點DBC的中點,則BD長為A2               B3                 C5           D6    11.如圖,點O在直線AB上,射線OC平分DOB.若COB35°,則AOD等于A110°            B145°             C35°            D70°       12.將一列有理數(shù)-1,2,-3,4,-5,6……按如圖所示進行排列,則2022應排在A位置        B位置       C位置           D位置     卷(非選擇題  102分)注意事項:所有答案必須用0.5毫米的黑色簽字筆(不得使用鉛筆和圓珠筆)寫在答題卡各題目指定區(qū)域內(超出方框無效),不能寫在試卷上,不能使用涂改液、修正帶等.不按以上要求作答,答案無效.二、填空題(本大題共6個小題,每小題4分,共24分.把答案填在答題卡的橫線上.)13.比43的數(shù)是        14.下列幾何體:圓柱;正方體;棱柱;球;在這些幾何體中截面可能是圓的有       (填寫序號即可.)15某校為了舉辦迎國慶的活動,調查了本校所有學生,調查的結果被整理成如圖所示的扇形統(tǒng)計圖.如果全校學生人數(shù)是1200,根據(jù)圖中給出的信息,這所學校贊成舉辦文化演出的學生有      人.      16.如圖,把一副三角板相等的兩邊重合擺放在一起,A90°B60°,則AOB     度.     17. 從五邊形的一個頂點出發(fā),可以作    條對角線.,則的值為           三、解答題(本大題共9個小題,共78分.解答應寫出文字說明,證明過程或演算步驟.)19.(本小題滿分6)計算:(1)  (17)+7    (2)1439     20.(本小題滿分6) 計算:(-5)+23        21.(本小題滿分6)如圖,C是線段AB外一點,按要求畫圖:(1)畫射線CB(2)反向延長線段AB;(3)連接AC,并延長AC至點D,使CDAC         22.(本小題滿分8)先化簡,再求值: ,其中         23(本小題滿分8)解方程         24(本小題滿分10)小彬和小明每天早晨堅持跑步,小彬每秒跑4米,小明每秒跑6米,(1)如果他們站在百米跑道的兩端同時相向起跑,那么幾秒后兩人相遇?(2)如果小明站在百米跑道的起點處,小彬站在他前面10米處,兩人同時同向起跑,幾秒后小明能追上小彬?          25(本小題滿分10)為了加強語文課外閱讀,某年級積極組織學生參加課外閱讀讀書分享會活動,從年級推薦的四種讀物A:《水滸傳》、B《駱駝祥子》、C:《昆蟲記》、D:《朝花夕拾》中選擇一本讀物每周一與班級同學分享讀書體會.讀書分享會活動組隨機抽取本年級的部分學生,調查他們最喜愛一本讀物,并將調查結果繪制成如下兩幅不完整的統(tǒng)計圖,請你結合圖中的信息解答下列問題:(1)求被調查的學生人數(shù);(2)補全條形統(tǒng)計圖;(3)已知該年級有1200名學生,估計全年級最喜愛《水滸傳》的學生有多少人?                              26(本小題滿分12)某工人計劃加工一批產(chǎn)品,如果每小時加工產(chǎn)品10個,就可以在預定時間完成任務,如果每小時多加工2個,就可以提前1小時完成任務.(1)該產(chǎn)品的預定加工時間為幾小時?(2)若該產(chǎn)品銷售時的標價為100/個,按標價的八折銷售時,每個仍可以盈利25元,該批產(chǎn)品總成本為多少元?                                 27(本小題滿分12)已知數(shù)軸上兩點A、B對應的數(shù)分別為1、5,點P為數(shù)軸上一動點,其對應的數(shù)為X(1)若點P到點A、點B的距離相等,求點P對應的數(shù)是X  ;(2)數(shù)軸上是否存在點P,使點P到點A、B的距離之和為8?若存在,請求出X的值;若不存在,說明理由;(3)現(xiàn)在點A、點B分別以2個單位長度/秒和1個單位長度/秒的速度同時向右運動,點P6個單位長度/的速度從O點向左運動,當遇到點A時,點P以原來的速度向右運動,遇到點B后,點P再以原來的速度向左運動……P不停地往返于AB之間,求當點A與點B重合時,點P所經(jīng)過的總路程.                     七年級數(shù)學試題參考答案與評分標準一、選擇題題號123456789101112答案DCDCABACBBAA二、填空題13714①④154801675172181三、解答題19解:計算:1(-17+7;          =··························································2=10······················································32(-14)-(-39····························································5····························································620.解:(-5)+23 ·························································4=8·····················································6 21 解:        (1)畫圖正確···················································1射線CB即為所求;···············································2(2)畫圖正確,···················································3射線AE即為所求,···············································4(3)畫圖正確,···················································5D即為所求.···················································622 解:·······················································2·······················································4時,原式·····················································6=2·············································823.解:5x+405=0············································25x40+5············································45x35··············································6x7···············································824.解:(1)x秒后兩人相遇,根據(jù)題意得·····························16x+4x100···················································310x=100·····················································4x10·····················································5答:10秒后兩人相遇;(2)y秒后小明追上小彬,根據(jù)題意得································66y4y10,···················································82y=10·························································9y5·························································10答:兩人同時同向起跑,5秒后小明追上小彬25.解:(1)被調查的學生人數(shù)為:12÷20%60(人);··················3(2)60241216=8·············································6      ·····························································8                (圖對給2分,不需要標記數(shù)字) (3)估計全年級最喜愛《水滸傳》的學生有:1200×480(人).···········10 26.解:(1)設這批產(chǎn)品預定加工時間為為x小時,·····················110x=12(x1)·······································310x=12x12,······································5x6··········································6答:該產(chǎn)品的預定加工時間為6小時;(2)設該批產(chǎn)品成本為a/個,·······································7100×80%a+25···············································9a55,······················································1155×603300,答:該批產(chǎn)品總成本為3300元.····································1227.解:(1) 2;·················································3(2)數(shù)軸上存在點P,使點P到點A、點B的距離之和為8···················4理由如下:當點PA左邊時,-1x+5x8,································5解得:x=-2·················································6PB點右邊時,x5+x-(-1)=8····························7解得:x6,···················································8答:當x=-26時,點P到點A、點B的距離之和為8(3)設經(jīng)過t秒時點A與點B重合,根據(jù)題意得:···························92t6+t·············································10t=6,················································116×636 答:點P所經(jīng)過的總路程是36個單位長度.····························12       
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