1、38. What is the main cause mentioned in the article why people suffer from a lot of new sicknesses?AAncient people did a great deal of physical exerciseBPeople today have a lot of alcoholCPeople today have more tobaccoDFood is quite different between life today and life in ancient times39. Stone-age
2、 people were much healthier than people today because they ate a lot of _Amilk and other dairy productsCsalt and sugarBgrain foods and farm animalsD wild animals, fresh wild vegetables and fruits40. From this article, we know that _ are not good to our healthAprotein and vitamin CBmilk and grain foo
3、dsCwild animals, vegetables and fruitsD a huge amount of fatty, salty and sweet foodsBShanghai is the largest city in ChinaAbout eleven million people make their homes inShanghai and its suburbsThis enormous city spreads out along the banks of the Huang Pu River,which flows into the mouth of the Yan
4、gtze River about fourteen miles north of hereLargeoceangoing ships travel to Shanghai by way of the Yanggze and the Huang PuShanghai was a small, unimportant city until 1842 when China lost a war with GreatBritainThe British realized that Shanghai was in an excellent location to serve as a seaport f
5、or thedensely密集 populated Yangtze River PlainThey forced the Chinese to allow English traders tosettle on the wastelands outside the city wallsLater, French, American, and Japanese traders also came to ShanghaiThe foreigners built whole new sections of Shanghai, including homes, stores,factories, an
6、d office buildings Thousands of Chinese poured into Shanghai in search of jobsMostof them settled in the old part of the cityAs time passed, shanghai became one of the busiestseaports in the world41. According to the article, the population inside the city of Shanghai is _Aeleven millionBless than e
7、leven millionDabout eleven millionCmore than eleven million42. The Huang Pu River is connected with _ at a spot about fourteen miles _ of the cityAthe Yangtze northBthe city northCthe mouth of Huang Pu River northDYangtze River south43. Before 1842, the Yangtze River Plain was _Avery developedBdense
8、ly populatedDa small, unimportant cityCat a war with Great Britain44. The British first settled on the land because _Athey wanted to build stores hereBthey thought the place wasbeautifulCthey realized that it was a very good location for a seaport45. A lot of Chinese came into Shanghai to _Dthey wan
9、ted to have a war hereAvisit the cityBtrade with foreignersCbuild one of the busiest seaportsDlook for jobsCThe Antarctic南极地区 is actually a desertIt is the only continent on the earth without ariver or a lakeThe Antarctic is all ice all year roundThe warmest temperature ever recorded there is zero,
10、atthe south PoleExplorers used to think that a place so cold would have a heavy snowfallBut lessthan ten inches of snow falls each yearThat is less than half an inch of waterTen times that muchmoisture水分 falls in parts of the SaharaThe little snow that falls in Antarctica南极 never meltsIt continues t
11、o pile up deeper anddeeper year after year and century after centuryWhen the snow gets to be about eighty feet deep, itis turned to ice by the weight of the snow above it46. Antarctica is called a desert because it _Ais sandyB has the same temperature as desertDall of the aboveChas little moisture a
12、nd no lakes or rivers47. The Antarctic has _Aten times as much moisture as the SaharaCabout one-tenth the moisture of the SaharaBthe same amount of moisture as the SaharaDnone of these48. The snow in Antarctica is very deep because it _Anever stops falling Bpiles up year after year49. The snow turns
13、 to ice when _Cnever meltsDboth B and CAit gets wetB the temperature gets colderD the snow above it is heavy enoughCthe next snowfall comes50. The best title for this passage is _AA Strange ContinentBthe Antarctican IceDthe World s Greatest DesertCSnowfall at the South PoleDWhen my first wartime Chr
14、istmas came， I was in basic training in New Jersey and not sure if Icould make it home for the holidaysOnly on the afternoon of December 23 was the list of men whowould have three-day passes postedI was one of the lucky soldiers It was Christmas Eve when Iarrived home， and a light snow had fallenMot
15、her opened the front doorI could see beyond her，into the corner of the living room where the tree had always stoodThere were lights， all colors，and ornaments(装饰物 )shining against the green of a pine“ Where did it come from? I asked “ I asked the Gates boy to cut，it my mother said“ I wouldn t have ha
16、d one just for myself，but when called-oh， such a rush！ He just brought it in this aftern oon The pine reached to theproper height， almost to the ceiling， and the Tree Top Krystal Star was its place A few greenbranches reached about a little awkwardly(不够美观地 )at the side， I thought， and there was a bi
17、tof bare trunk showing in the middleBut the tree filled the room with warm light and the wholehouse with the pleasant smell of Christmas“ It s not like the one you used to，find my motherwent on“ Yours were always in good shapeI suppose the Gates boy didnI couldn be fussy(挑剔的 ) t know whereButot look
18、“ Don t worry， I told her“ It s perfect.，Itowasnf course， but at the moment I realizedsomething for the first time： all Christmas trees are perfect51.From the passage， we can infer that _Athe writer spent his first Christmas during the war Bsoldiers did not all go home for Christmasduring the warCal
19、l the soldiers had three-day passes52. When the writer got home， _Dthe writer could not go home for ChristmasAit was December 23Bit was snowing heavilyChe found a Christmas tree in the living roomhis motherDthe Gates boy was cutting a Christmas tree for53. From this passage， we can conclude that _At
20、he writer used to cut very beautiful Christmas treesB his mother didnD the writer wouldn t like perfect trees t have a tree cut byChis mother didn t want to have a treesomeone else54.“ All Christmas trees are perfect， becausethey can remind you of _Athe wartime Bthe green of a pine Cthe pleasant sme
21、ll“ _Dthe sweet home55. The best title for this passage would beAHow to Choose a Christmas TreeCThe Perfect Christmas TreeB How Soldiers Spent ChristmasDThe Christmas Without a Tree35分第三部分：书面表达共两 福建省莆田市仙游县第六片区 -2016学年八年级数学上学期期末考试试题一、选择题每题 4分，共 40分1在，A2 B 3，,分式的个数有个C4D52以下各分式中最简分式是ABCD3以下运算中，正确的选项是Aa
22、 ?a =a12 B a =a C 2a =6a D a =a626336332324假设 x +mx+25是完全平方式，那么 m的值等于A105以下每组数分别是三根小木棒的长度A3 4 9 B2 3 5 C5 12 13B 10 C10或 10 D20cm，用它们能摆成三角形的是D5 5 116假设一个多边形的外角和与它的内角和相等，那么这个多边形是A三角形 B五边形 C四边形 D六边形7如图， AEFD，AE=FD，要使 EAC FDB，需要添加以下选项中的AAB=BC8 ABC DEF，A与 D对应， B与 E对应， A=32， B=68，那么 F为A100 B80 C32 D689以下
23、图形中，轴对称图形的个数有BEC=BFC A=D DAB=CDA1个 B 2个 C3个 D4个10如图：小明从点 A出发，沿直线前进 5m后向左转 30，再沿直线前进 5m后，又向左转 30，照这样方式走下去，他第一次回到出发点 A时，一共走了1 A50m B 60m C70m D80m二、填空题每题 4分，共 24分211因式分解： m25=12当 x=时，分式的值为零13已经知道：如图：ABC中，B、C的角平分线交于点 O，假设A=60，那么 BOC=14点 P3，2关于 y轴对称的点的坐标是201615计算； 1.5 =16如果记 fx=1，并且 f2表示当 x=2时的值，即 f2=1，
24、f3表示，当 x=3时的值即 f3=1,那么 f234, 50=三、解答题共 86分，其中 1720每题 6分， 21、22每题 8分， 23、 24每题 10分， 25题 12分； 26题 14分32217因式分解： 3a +6a b+3ab18计算： x+5219先化简，再求值：a+ba b+ab +2ab，其中 a=20 ABC在平面直角坐标系中的位置如下图，1画出 ABC关于 x轴对称的图形 A2假设点 M a， b是 ABC内任意一点，那么A、B、C三点在格点上：1 1 1B CA1B1C1中与点 M对应的点M的坐标1为2 21如图，在 ABC中， C=90， AB的垂直平分线 DE
25、交 AC于 D，垂足为 E，假设 A=30，CD=31求 BDC的度数2求 AC的长度22已经知道：如图，在 ABC中， AB=AD=DC，BAD=30；试求 B和 C的度数23我校八年级学生去距学校15千米远的社会实践基地参加社会实践活动，一部分同学骑自行先走，过了 40分钟后，其余同学乘汽车出发，结果他们同时到达已经知道汽车的速度是骑车同学速度的 3倍，求骑车同学的速度？24图 1是一个长为 2m、宽为 2n的长方形，沿图中虚线用剪刀均分成四块小长方形，然后按图 2的形状拼成一个正方形1请写出图 2中阴影部分的面积： ；2观察图 2你能写出以下三个代数式之间的等量关系吗？22代数式：m+n
26、，mn，mn；2a+b=7，ab=5，求 ab 的值3根据 2中的等量关系，解决如下问题：假设3 251如图 1：已经知道 ABC中，以 AB、AC为边向 ABC外作等边 ABD和等边 ACE，连接BE、 CD，请你完成图形尺规作图，不写作法但要保留作图痕迹 2如图 2，已经知道 ABC中，以 AB、AC为边向外作正方形 ABFD和正方形 ACGE，连接 BE、CD，判断 BE与 CD有什么数量关系，并加以证明26在 ABC中， ACB=90， AC=BC，ADMN于 D，BEMN于 E；1当直线 MN绕点 C旋转到图 1的位置时，求证：ADCCEB；DE=AD+BE2当直线 MN绕点 C旋转
27、到图 2的位置时， ADC与CEB还会全等吗？请直接回答填会或不会；请直接猜想此时线段 DE，AD，BE之间的数量关系是4 -2016学年福建省莆田市仙游县第六片区八年级上期末数学试卷参考答案与试题解析一、选择题每题 4分，共 40分1在，A2 B 3，,分式的个数有个C4D5【考点】分式的定义【分析】根据分母中含有字母的式子是分式，可得答案【解答】解：，是分式，应选： A2以下各分式中最简分式是A【考点】最简分式【分析】最简分式的标准是分子，分母中不含有公因式，不能再约分判断的方法是把分子、BCD分母分解因式，并且观察有无互为相反数的因式，因式从而进行约分这样的因式可以通过符号变化化为相同的
28、【解答】解： A、分子、分母中含有公因式a+b，故不是最简分式；B、分子、分母中含有公因式C、是最简分式；a+b，故不是最简分式；D、分子、分母中有公因数应选 C5，不是最简分式，3以下运算中，正确的选项是Aa ?a =a12 B a =a C 2a =6a D a =a6【考点】幂的乘方与积的乘方；同底数幂的乘法【分析】 A：根据同底数幂的乘法法那么判断即可B：根据幂的乘方的运算方法判断即可263363323C：根据积的乘方的运算方法判断即可D：根据幂的乘方的运算方法判断即可2?a =a，68【解答】选项 A不正确；339 a =a，选项 B不正确；33 2a =8a，5 选项 C不正确；2
29、36 a =a，选项 D不正确应选： D24假设 x +mx+25是完全平方式，那么 m的值等于A10B 10 C10或 10 D20【考点】完全平方式【分析】利用完全平方公式的结构特征判断即可确定出m的值【解答】m=10，应选 C2+mx+25是完全平方式，5以下每组数分别是三根小木棒的长度A3 4 9 B2 3 5 C5 12 13【考点】三角形三边关系cm，用它们能摆成三角形的是D5 5 11【分析】根据三角形的三边关系“任意两边之和大于第三边，任意两边之差小于第三边，进行分析【解答】解： A、3+49，不能组成三角形；B、2+3=5，不能组成三角形；C、5+1213，能够组成三角形；D
30、、5+511，不能组成三角形应选 C6假设一个多边形的外角和与它的内角和相等，那么这个多边形是A三角形 B五边形 C四边形 D六边形【考点】多边形内角与外角【分析】任意多边形的外角和为【解答】解：设多边形的边数为360，然后利用多边形的内角和公式计算即可n根据题意得：n 2180=360，解得： n=4应选： C7如图， AEFD， AE=FD，要使 EACFDB，需要添加以下选项中的赕爔笀(鵑楲搁%蜰钩楲搁搀讀缁搫仌缀陀秈暣椀秀欂紃輆轷嵜瑎灾晥颋欀搀漀挀搀挀搀愀挀攀挀戀愀挀愀愀挀攀挀愀最椀昀輀轷嵜瑎灾晥颋殘搀漀挀尀尀挀攀戀愀搀挀愀昀挀搀戀搀愀愀匀瘀嘀瀀匀漀栀嘀瀀搀爀匀渀昀甀娀猀一瘀眀夀刀圀匀
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