天津市八年級上期末考試，天津市部分區20172018學年度第二學期期末考試八年級歷史試卷及答案百

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1，天津市部分區20172018學年度第二學期期末考試八年級歷史試卷及答案百

紅橋區2010—2011學年第二學期高三第一次模擬檢測理科綜合試卷（化學部分）參考答案第 I卷共6題，每題6分，共36分。 1．C 2．B 3．C 4．A 5．D 6．D 第 II卷共4題，共64分。 7．（每空2分，共14分）（1）K，H2SO4（2）HF＞H2O＞SiH4 （3）（4）3 I2 + 6 OH- = IO3- + 5 I- + 3 H2O； 5:1（5）Ni ，Ni(OH)2 + OH-- e- = NiOOH + H2O 8.（共18分）（1）C2H6O2（2分）乙二醇（2分） 2（2分） 2:1 （2分）（2）ac （2分）（3）、（4）、（5）中方程式各2分，同分異構體各1分 9．（共18分）（1）堿性（2分）（2）普通漏斗燒杯玻璃棒（3分）（3）①bd（2分） ②漏斗中與試劑瓶中的液面差保持不再變化或漏斗中的液面不再下降（2分） ③除去空氣中CO2，防止影響測量結果（2分）濃硫酸（2分） ④必要（2分），因為裝置E會吸收空氣中的二氧化碳和水蒸氣，影響測量結果（3分） 10．(每空2分，共14分）（1）K=c2(NH3)/c(N2)c3(H2)；40% （2）使用催化劑，升高溫度（3）A、C、D （3分）（4）① B； ② 2N2H4(g) + N2O4(g) = 3N2(g) + 4H2O(g) △H = - 1076.7 kJ/mol

天津市部分區20172018學年度第二學期期末考試八年級歷史試卷及答案百

2，天津市武清區20142015學年度第一學期期末考試八年級生物試卷及答案

遵化市2014—2015學年度第一學期期末考試八年級數學試題答案一、精心選一選（每小題3分，共計30分.每小題后均給出了四個選項，只有一個符合題意，請將它的代號填在題后括號內）12345678910ADBBCBCDAD二、用心填一填（每小題3分，共24分）11．4；12.90°；13．；14．＞＞2；15．50°、80°或65°、65°；16．36°；17. 3；18．5或105或10．三、解答題（本題共8道小題，共66分，請寫出必要的計算步驟或解題過程）19．（本小題8分）解：原式=……………………………………………………………………………………2分= ……………………………………………………………………………………4分=0 ……………………………………………………………………………………6分20．化簡（本小題8分）解：原式=…………………………………………………………………………………4分=……………………………………………………………………………6分= ……………………………………………………………………………………8分21．（本小題8分）解：（1）AB=40×1.5=60（海里），BC=40×2=80（海里）；…………2分（2）由題意可知：△ABC中，∠ABC=90°，由勾股定理得：AC2=AB2+BC2=602+802=10000；所以AC=100 ………………………………………………4分返回時用時：（小時）……………………………5分出去時用時：2+1.5=3.5（小時）則返回時比出去時節省時間為：3.5－2.5=1（小時）………………8分22．（本小題8分）解：（1）第一步，2x－y=－1；第四步，分式有意義的條件的檢驗．（每空1分，共4分）（2）當時，………………………………………………………………………………6分解得， …………………………………………………………………………………7分代入分式，所以=…………………………………………8分所以正確的結論是=1．23．（本小題8分）證明：（1）∵CE⊥AB，DF⊥AB∴∠AEC=∠BFD=90°…………………………………1分在Rt△ACE和Rt△BDF中∴Rt△ACE≌Rt△BDF（HL）…………………………4分∴AE=BF…………………………………………………6分(2)由(1)知：Rt△ACE≌Rt△BDF∴∠A=∠B…………………………………………………7分∴AC∥BD…………………………………………………8分24．（本小題8分）解：(1)SSS …………(2)小聰的作法正確.…………………………………………………3分理由：∵PM⊥OM , PN⊥ON ∴∠OMP=∠ONP=90°………………………………………………4分在Rt△OMP和Rt△ONP中 7347;∵OP=OP ,OM=ON∴Rt△OMP≌Rt△ONP（HL）………………………………………6分∴∠MOP=∠NOP………………………………………………………7分∴OP平分∠AOB………………………………………………………8分25．（本小題8分）解：（1）作圖（略）,MN兩點正確2分，PQ兩點正確2分，……………………………………共4分點P、Q分別是OX、OY上油罐車到兩條路上加油站走一個來回的路程最短的加油站位置。……6分（2）最短路程就是APQ的周長，即等于5公里。 ……………………………………………8分26．（本小題10分）（1）AC;……………………………………………………………2分（2）證明:在AB邊上截取AE=AB，在△ABD和△AED中………………………………………………………………… 3分∴△ABD≌△AED（SAS）……………………………………………………………5分∴BD=DE，∠B=∠AED，………………………………………………………………7分又∵∠B=2∠C，∴2∠C=∠AED又∵∠AED=∠EDC+∠C∴∠EDC=∠C∴ED=EC…………………………………………………………………………………8分∴EC=BD…………………………………………………………………………………9分∴AC=AE+EC= AB+BD

天津市武清區20142015學年度第一學期期末考試八年級生物試卷及答案

3，河西區0708八年級上冊期末質量調查英語物理試卷答案

1. Reality is not the way you wish things to be , nor the way they appear to be , the way they actually are .A. as B. or C. but D. and2. the silence for the pauses , we could hear each other”s breathing and could almost hear our own heartbeats .A. In B. For C. Under D. Between3. Polar bears live mostly on sea ice , which they use as platform for hunting seals .A. a ; a B. a ; the C. 不填 ; a D. the ; 不填4. The biggest problem for most plants , which just get up and run away when threatened , is that animals like to eat them .A. shan”t B. can”t C. needn”t D. mustn”t5. As the years passed , many occasions-birthdays , awards , graduations with Dad”s flowers .A. are marked B. were marked C. have marked D. had marked6. It”s hard for him playing against me . I”ve got nothing to play for , but for him , he needs to win so .A. far B. well C. little D. badly7. To save class time , our teacher has students do half of the exercise in class and complete the other half for homework . A. us B. we C. our D. ours8. Having checked the doors were closed , and all the lights were off , the boy opened the door to his bedroom .A. why B. that C. when D. where9. As the light turned green , I stood for a moment , not , and asked myself what I was going to do .A. moved B. moving C. to move D. being moved10. We live day by day , but in the great things , the time of days and weeks so small that a day is unimportant . A. is B. are C. has been D. have been11. Cathy is taking notes of the grammatical rules in class at Sunshine School , where she English for a year . A. studies B. studied C. is studying D. has been studying12. By serving others , a person focuses on someone rather than himself or herself , can be very eye-opening and rewarding . A. who B. which C. what D. that13. Most birds find it safe to sleep in the trees , but they have eggs or young chicks , they don”t use a nest .A. why B. how C. unless D. where14. “Things never come again !” I couldn”t help talking to myself .A. lost B. losing C. to lose D. have lost15. There is an old proverb , “Love me , love my dog . ” But there is wisdom in this : “Love me , love my book .”A. some B. much C. more D. most第二節：完形填空（共20小題；每小題1.5分，滿分30分）閱讀下面短文，掌握其大意，然后從16?35各題所給的A、B、C、D四個選項中，選出最佳選項。In the United States there was an unusual tale telling of the daughter of a mechanic（技工）. One day while walking along the bank of a lake , the girl 16 to see 20 eggs laid by a wild goose . After some time the girl 17 the mother would not return to her eggs and she 18 to take them home . There she carefully 19 the eggs in the heat of a lamp . Several days 20 the eggs broke and the baby geese came into the 21 .Geese are known to take the first living thing they see as their mother . 22 , to these young geese , the girl was their mother . As they 23 , the girl was able to 24 her birds to run across the grass , but she could not teach them to 25 . The girl became increasingly worried about this , both when 26 and in her dreams . Later , she had an 27 : She would pilot a plane to guide them in 28 . She asked her father for a plane and he assembled（組裝）a small aircraft for her . Caring about 29 safety , the father decided to pilot the plane himself . However , the birds did not 30 or follow him , and 31 slept in the grass . One day , the girl 32 into the plane , started it and soon left the 33 . Seeing their mother take off to the air , the birds 34 flapped（拍打）their wings and 35 . She flew the plane freely in the sky , her young birds following . 16. A. managed B. attempted C. happened D. supposed17. A. realized B. expected C. imagined D. admitted18. A. helped B. decided C. afforded D. meant19. A. placed B. protected C. treated D. examined20. A. ago B. out C. later D. long21. A. family B. lake C. home D. world22. A. But B. Also C. Thus D. Still23. A. increased B. improved C. rose D. grew24. A. ask B. lead C. want D. allow25. A. fly B. race C. swim D. sing26. A. asleep B. away C. around D. awake27. A. idea B. opinion C. explanation D. excuse28. A. sky B. heaven C. flight D. plane29. A. his B. her C. their D. its30. A. respect B. remember C. recognize D. receive31. A. so B. instead C. hardly D. too32. A. climbed B. looked C. reached D. fell33. A. house B. floor C. water D. ground34. A. secretly B. disappointedly C. patiently D. eagerly35. A. looked away B. set out C. went by D. turned back第二部分：閱讀理解（共20小題；每小題2分，滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。AWhen I met him , I had a lot of anger inside of me . I”ve lived my whole life in Spanish Harlem , but in my neighborhood , there are shoot-ups all the time . I know kids who have been shot or beaten up . I have friends who ended up in prison . I could have ended up that way too , but Mr. Clark wouldn”t let that happen .Mr. Clark worked long hours , making sure I did my work . My grades rose . In fact , the scores of our whole class rose . One day , he took our class to see The Phantom of the Opera , and it was the first time some kids had ever been out of Harlem . Before the show , he treated us to dinner at a restaurant and taught us not to talk with our mouths full . We did not want to let him down .Mr. Clark was selected as Disney”s 2000 Teacher of the Year . He said he would draw three names out of a hat ; those students would go with him to Los Angeles to get the award . But when the time came to draw names , Mr. Clark said , “You”re all going .”On graduation day , there were a lot of tears . We didn”t want his class to end . In 2001 , he moved to Atlanta , but he always kept in touch . He started giving lectures about education , and wrote a bestselling book based on his classroom rules , The Essential 55 . In 2003 , Mr. Clark took some of us on a trip to South Africa to deliver school supplies and visit orphanages（孤兒院）. It was the most amazing experience of my life . It”s now my dream to one day start a group of women”s clubs , helping people from all backgrounds .36. Without Mr. Clark , the writer .A. might have been put into prisonB. might not have won the prizeC. might have joined a women”s clubD. might not have moved to Atlanta37. The Essential 55 is .A. a show B. a speech C. a classroom rule D. a book38. How many students” names were finally drawn out of a hat by Mr. Clark ?A. None B. Three C. Fifty-five. D. All.39. In the passage , the writer intends to tell us that .A. Mr. Clark went to South Africa because he liked travellingB. Mr. Clark helped to set up a group of women”s clubsC. a good teacher can help raise his or her students” scoresD. a good teacher has a good influence on his or her studentsBA small town in southwest Britain is banning（禁止）plastic bags in an attempt to help the environment and cut waste-a step that environmentalists believe is a first for Europe . Shopkeepers in Modbury population 1,500 , agreed to stop handing out disposable plastic bags to customers on Saturday . They said paper sacks and cloth carrier bags would be offered instead .Last month, San Franciso became the first U.S. city to ban plastic grocery bags . Internationally , laws to discourage the use of plastic bags have been passed in parts of South Africa and Ireland , where govermments either tax shoppers who use them or fine companies that hand them out . Bangladesh already bans them , and so do at least 30 remote Alaskan villages . Modbury , about 225 miles southwest of London , has also declared a bag ammesty（寬限期）, allowing local people to hand in plastic bags that have piled up at home . They will be sent for a recycling .The Modbury ban was the idea of Rebecca Hosking , who saw the effect of bags on marine life while working in the Pacific as a wildlife camerawoman . She said response（反應）in the town so far had been “really positive”.“Modbury is quite an old-fashioned town and a lot of people have wicker baskets to go out shopping anyway , ” Hosking told Sky News Television .The Worldwatch Institute , an environmental research agency , states that 100 billion plastic bags are thrown away each year in the United States alone . More than 500 billion are used yearly around the world .40. What was Rebecca Hosking?A. A lawyer . B. An environmentalist .C. A sailor . D. A photographer .41. The underlined word “disposable” in the passage probably means .A. acceptable B. valuable C. throw-away D. long-lasting42. It can be inferred from the passage that .A. most of the people in Modbury continue to use plastic bagsB. fewer and fewer plastic bags will be used in the worldC. San Francisco is the first city to ban plastic bags in the worldD. most countries in the world have passed laws to ban plastic bags43. Which of the following would be the best title of the passage ?A. Environmental ProtectionB. Big Cities Banning Plastic BagsC. Effect of Plastic Fags on Sea AnimalsD. British Town Banning Plastic BagsCFestival activities programmeTIME AND PLACEOctober 24~30Oct. 24~30:9:00 a.m.~4:00 p.m.Oct. 25~29:12:00 p.m. ~9:00 p. m.at Kerry Centre HotelClassroom area（1）English Taster Lesson（2）Food health-keeping method presentation Computer area（3）E-Photography and Techno-Music（4）Education Software DemonstrationInternet Training areaSINA and Capital On-Line will provide Internet training for the public . The focus（焦點）will be on broswsing the Internet ; how to find useful information on the web and how to design an elementary Web page .Foyer activity area（5）The students from Beijing TV University for the Aged will provide a calligraphy（hard writing demonstration）（6）Children activitiesLectures21st Century , the educational weekly of China Daily , will invite experts from English-speaking countries to hold lectures from 18:00 to 20:30 on October 27 to 29 and in the daytime on October 30 .44. A 70-year-old teacher wants to see how to use writing brush well .he should go to .A. Classroom area B. Computer areaC. Internet Training area D. Foyer Activity area45. A person who is interested in internet can go to .A. Computer area at 9.m. Oct. 30B. Internet Training area at 11 a.m. Oct. 24C. Classroom area at 8:00 p. M. Oct . 26D. Lectures at 9:00 p.m. Oct. 2946. The students of English Department have a chance to learn English at .A. 9:00~9:45 a.m. Oct. 27 B. 15:00~15:45 Oct. 30C. 17:15~18:00 Oct. 28 D. 12:00~12:45 Oct. 2547. The word “browsing” in the passage probably means .A. seeing everywhereB. going here and thereC. staring everywhereD. reading here and there in book , etcDZine（鋅）is one of about 20 elements necessary for good health . It is present in the body in a very small amount , but it makes it possible for important chemical actions to be carried out in cells . Scientists are just beginning to discover how zinc and other elements work .Researchers first studied zinc as a way to speed recovery . Dr. Waltor Powys , formerly with the United States Air Force , noted that the laboratory animals recovered faster when some matters were added to their food . One of these matters was zinc . Dr. Powys later tested the zinc treatment on an American airman recovering from medical operations . The airman who received zinc sulphate（硫酸鹽）recovered in half of the usual time . Other doctors studied persons who had a number of strange disorders . The doctors learned that all of these problems were caused by lack of zinc in the body . They treated these disorders successfully by giving the patients zinc sulphate . The amount of zinc in the body can be found by examining blood and hair . A lack of this important element is not uncommon among people in both industrial and developing countries . Zinc is found in most high protein（蛋白質）foods , such as meat milk , fish and eggs . It is also found in whole grains . But many people do not eat enough of these foods . Food markets should add these elements so that more people could get needed amount of these necessary matters .48. Which of the following statements is true ?A. Scientists found how zinc works a long time ago .B. People need a large amount of zinc to be healthy .C. Zinc allows important chemical actions to take place in cells .D. Zinc must be used in the course of medical operation .49. One of the results from the study of zinc is that .A. there”s only a little zinc in the human bodyB. food rich in protein contains more zincC. some physical problems are caused by lack of zincD. any patient who receives zinc sulphate gets well immediately 50. The best title for the passage may be .A. A New Discovery B. Zinc and HealthC. How Zinc Works D. Add Zinc to Your Food EDogs wag（搖擺）their tails in different directions depending on whether they are excited and wanting to move forward or threatened and thinking of moving back , a study has found . Researchers in Italy examined the tail wagging behaviour of 30 dogs , catching their responses to a range of stimuli（刺激物）with video cameras . To conduct the study they chose 15 male dogs and 15 female ones aged between one and six years . The dogs were all family pets whose owners had allowed them to take part in the experiment at Bari Umversity . The dogs were placed in a large wooden box with an opening at the front to allow for them to view various stimuli . They were tested one at a time .The researchers led by Professor Giorgio Vallortigara of the University of Trieste found that when the dogs were shown their owners-a positive expenence-their tails wagged energetically to the right side . When they were shown an unfamiliar human they wagged to the right , but with somewhat less enthusiasm . The appears of a cat again caused a right-hand side wag , although with less intensity again . The appearance of a large unfamiliar dog , similar to a German shepherd , changed the direction of tail wagging to the left . Researchers supposed the dog was thinking of moving back . When the dogs were not shown any stimuli they tended to wag their tails to the left , suggesting they preferred company . While the changes in the tail wagging were not easily noticed without the aid of video , it was thought that the findings could help people judge the mood（心情）of dogs . Computer and video systems , for example , could be used by professional dog trainers to determine the mood of dogs that they were required to approach .51. The video cameras were used to catch the dogs” responses because .A. it was easier to catch the dogs” response changes in the tail waggingB. the dogs were put in the wooden boxes and tested one at a timeC. they enabled the dogs” owners to know about their dogs” habitD. the dogs wagged their tails in different directions when they were in different moods52. The underlined word “intensity” in the passage means .A. surprise B. worry C. excitement D. interest53. When there are no stimuli , a dog will .A. wag to the left B. wag to the rightC. not wag at all D. wag to the left and then to the right54. The underlined word “they” refers to .A. the dogs B. the trainers C. the systems D. the rescarchers55. The purpose of doing the experiment is .A. to train dogs for their owners B. to help people judge the mood of dogsC. to help dogs find company D. to help people choose their pet dogs第II卷（非選擇題共35分）第三部分：寫作（共兩節，滿分35分）第一節：短文改錯（共10小題；每小題1分，滿分10分）May 10,2007 FineToday I was having a PE lesson while I fell down 56. and hurt my foot . I was in greatly pain at that moment , 57. but I tried to act as if nothing has happened until the 58. class was over . Though I had difficulty walk back to 59. my classroom , I still didn”t tell anyone but even refused 60. the offer of help of my classmates . As result , the hurt 61. in my foot became worse . Now I know I”m wrong . We 62. can tell others our need for help and accept his help . 63. Some day we can not help others in return . In this way , 64. we can get along to each other happily and peacefully . 65. 第二節：書面表達（滿分25分）66. 假設你是王平，李華是你的同窗好友，請根據下列要點，用英文給李華寫一篇畢業留言。要點：1. 簡要表述李華在你心目中的印象；2. 用一到兩個相關的事例進行具體描述；3. 對李華表示美好的祝愿。注意：1. 內容積極向上，語意連貫，結構完整。詞數120左右。2. 不能寫成詩歌形式；不能使用真實姓名和學校名稱。第III卷（選擇題共30分）第四部分：聽力（共兩節，滿分30分）略和平區2007?2008學年度第二學期高三年級第一次質量調查英語試卷參考答案第I卷第一、二部分（Key to 1?55）1?5 CACBB 6?10 DABBA 11?15 DBCAC16?20 CABAC 21?25 DCDBA 26?30 DACBC31?35 BADDB 36?40 ADADD 41?45 CBDDB46?50 BDCCB 51?55 ACABB第II卷第三部分：第一節：56. while→when 57. greatly→great 58. has→had 59. walk→walking60. but→and 61. As后加a 62. √ 63. his→their64. 去掉not 65. to→with第二節：66. One possible version :Li Hua,It”s time to say goodbye . It”s time to recall those beautiful days we spend together . You are the very person who gives me a hand when necessary . You are the most considerate person who knows exactly what I need .Still remember that night two years ago ? When I suddenly fell ill , it was you who carried me on your back to a nearby hospital . You took good care of me while I was having an injection . Later , you managed to help me with my lessons . Without your help , I would have failed in the examination .I still have hundreds of stories to share with you . I still have thousands of blessings for you . May all your dreams come true ! May our friendship last till the end of the universe !Yours ,Wang Ping第III卷第四部分：略年級高三學科英語版本期數內容標題天津市和平區2007?2008學年度第二學期高三年級第一次質量調查英語試卷分類索引號 G.622.475 分類索引描述統考試題與題解主題詞天津市和平區2007?2008學年度第二學期高三年級第一次質量調查英語試卷欄目名稱高考題庫供稿老師審稿老師錄入一校二校審核

河西區0708八年級上冊期末質量調查英語物理試卷答案