初中第二学期期中测试题

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九年级物理第二学期期中素养综合测试-学生用卷

九年级物理第二学期期中素养综合测试-学生用卷

第二学期期中素养综合测试满分100分,60分钟一、选择题(每小题4分,共32分)1.(2022独家原创)下列做法符合生活用电的是( )A.坐在高压线下钓鱼B.在院子中的通电导线上晾晒刚洗完的衣服C.路上遇到大雨,跑到大树下避雨D.更换灯泡时先断开电源2.(2022河北滦南期末)小明用洗衣机洗衣服,关于洗衣机工作时的叙述正确的是( )A.洗衣机工作时电能主要转化为内能B.洗衣机工作时电能主要转化为机械能C.洗衣机使用三脚插头,这是为了防止出现短路D.当电源电压低于220 V时,洗衣机的额定功率会减小3.(2021湖南邵阳期末)下列四种用电器,各自在额定电压下正常工作,则在相同时间内,电流做功最多的是( )A.“220 V 40 W”B.“220 V 25 W”C.“36 V 40 W”D.“110 V 60 W”4.(2021山东临沂河东期末)甲、乙两只白炽灯泡灯丝的材料和长度相同,按如图所示方式连接在电路中,闭合开关后甲灯较亮。

关于甲灯,下列判断正确的是( )A.灯丝细B.通过的电流小C.额定电压高D.实际功率大5.(2021北京房山期末改编)如图所示,给电炉通电后,电炉丝热得发红,而用手触摸与之连接的导线却不觉得烫手,这是因为( ) A.电流通过导线时没有产生热效应B.通过电炉丝的电流比通过导线的电流大得多C.电炉丝的电阻比导线的电阻小得多D.电炉丝的电阻比导线的电阻大得多6.(2022四川成都青羊期末)如图所示,L1、L2的额定电压都是3 V,把两个小灯泡串联后接到3 V的电源上,闭合开关,发现灯泡L1比灯泡L2亮一些。

对这种现象分析正确的是( )A.通过L1的电流比通过L2的电流大 B.L1两端的电压比L2两端的电压大C.L1的实际电阻比L2的实际电阻小 D.若将L1、L2改为并联,则L1更亮7.(2021吉林长春绿园期末)某型号电饭锅有加热挡和保温挡两个挡位,其原理如图所示,其中R与R为发热电阻丝。

2023年九年级语文下册期中试卷及答案【完整版】

2023年九年级语文下册期中试卷及答案【完整版】

2023年九年级语文下册期中试卷及答案【完整版】满分:120分考试时间:120分钟一、语言的积累与运用。

(35分)1、下列加点字注音完全正确的一项是()A.绮.户(yǐ)更.定(gēng)毳.衣(cuì)朝晖.夕阴(huī)B.沉璧.(bì)霏霏.(fēi)雾凇.(sōng)浩浩汤汤.(tāng)C.红晕.(yūn)坦.荡(tǎn)勃.发(bó)飞奔.(bēn)D.忧戚.(qī)凝.望(níng)枉.然(wǎng)祖籍.(jí)2、下列词语书写完全正确的一项是( )A.俊俏候选人大廷广众妙手偶得B.劳碌工笔画美不胜收平易近人C.云宵仪仗队俯仰生姿丰功伟绩D.硬朗斑马线喜出望外讴心沥血3、下列句子中成语运用正确的一项是()A.短短一个世纪,中国从一文不名....的穷小子摇身一变成了世界银行家,而欧洲正截然相反。

B.七月的盐城,气温居高不下,室外暑热如火,我们坐在室内,吹着空调,却如坐春风....,十分惬意。

C.有人说,人非圣贤,孰能无过?不过就这一点小失误,影响不了大局,不足..为训..。

D.七月流火....,季节进入一年中最难熬的酷暑阶段。

4、下列句子没有语病的一项是( )A.近期,山东鲁能将在中超联赛第11轮中坐镇主场迎战北京国安。

B.有近50家左右的电动车生产企业参加全国小型电动车测试大赛。

C.在著名物理学家霍金的首条中国微博中表示,希望与中国网友分享生活趣事和工作心得。

D.新版《三打白骨精》以其华丽的3D制作技巧、虚实结合的特效手法,国内影视从业者们引发深思。

5、下列句子运用了比喻的修辞手法的一项是( )A.当杜小康一眼望去,看到芦苇如绿色的浪潮直涌到天边时,他害怕了这是他出门以来第一回真正感到害怕。

B.雨后天晴,天空比任何一个夜晚都要明亮。

C.它们把嘴插在翅膀里,一副睡觉绝不让主人操心的样子。

D.不一会儿,暴风雨就歇斯底里地开始了,顿时,天昏地暗,仿佛世界已到了末日。

人教版英语八年级下册第二学期期中 达标测试卷(含答案)

人教版英语八年级下册第二学期期中 达标测试卷(含答案)

第二学期期中达标测试卷一、听说应用(本大题共30小题,每小题1分,共30分;A、B、C、D部分为听力理解,E部分为情景对话)A. 听句子(本题共5小题,每小题1分,共5分)请根据所听内容,选择符合题意的图画回答问题。

每个句子听两遍。

()1. Where does the speaker volunteer to help others?()2. What was Tom's mother doing when Tom came back?()3. What is the speaker's advice?()4. What does Mary help her mother do every day?()5. Why did Lily feel terrible yesterday?B. 听对话(本题共10小题,每小题1分,共10分)请根据每段对话的内容回答问题,从每小题所给的三个选项中选出一个最佳答案。

每段对话听两遍。

听第一段对话,回答第6小题。

()6. What happened to the boy?A. He fell down.B. He got hit on the head.C. He cut himself.听第二段对话,回答第7小题。

()7. What is broken?A. The computer.B. The phone.C. The bike.听第三段对话,回答第8小题。

()8. What are they going to do today?A. To fly kites.B. To climb the mountain.C. To play badminton.听第四段对话,回答第9小题。

()9. How will the boy go to the V olunteer Service Center?A. On foot.B. By bike.C. By car.听第五段对话,回答第10小题。

人教版八年级数学第二学期期中测试题(含答案)

人教版八年级数学第二学期期中测试题(含答案)

人教版八年级数学第二学期期中测试题(含答案)(时间90分钟,满分120分)一、选择题(共10小题,3*10=30)1.要使3-x +12x -1有意义,则x 应满足( ) A.12≤x≤3 B .x≤3且x≠12C.12<x <3D.12<x≤3 2.下列长度的线段中,能构成直角三角形的一组是( )A.3,4, 5 B .6,7,8C .12,25,27D .23,25,4 23.如图,在Rt △ABC 中,∠C =90°,D 为AC 上的一点,且DA =DB =5,△DAB 的面积为10,那么DC 的长是( )A .4B .3C .5D .4.54.下列运算正确的是( )A .(x 2)3=x 5B . 2 +8 =10C .x·x 2·x 4=x 6D .22 = 25.如图,在平行四边形ABCD 中,DE 平分∠ADC ,BE =2,DC =4,则平行四边形ABCD 的周长为( )A .16B .24C .20D .126. 如图,在△ABC 中,∠ACB =90°,CD ⊥AB ,垂足为点D ,点E 是AB 的中点,CD =DE =a ,则AB 的长为( )A .2aB .22aC .3a D.433a 7.如图,矩形内有两个相邻的正方形,其面积分别为2和8,则图中阴影部分的面积为( )A. 2 B.2 C.2 2 D.68.如图,在△ABC中,DE∥CA,DF∥BA.下列四个判断不正确...的是( )A.四边形AEDF是平行四边形B.如果∠BAC=90°,那么四边形AEDF是矩形C.如果AD平分∠BAC,那么四边形AEDF是矩形D.如果AD⊥BC,且AB=AC,那么四边形AEDF是菱形9.如图,在△ABC中,点E,D,F分别在AB,BC,CA上,且DE∥CA,DF∥BA.下列四个判断中,不正确的是( )A.四边形AEDF是平行四边形B.如果∠BAC=90°,那么四边形AEDF是矩形C.如果AD平分∠BAC,那么四边形AEDF是矩形D.如果AD⊥BC且AB=AC,那么四边形AEDF是菱形10.如图,在正方形ABCD中,点E,F将对角线AC三等分,且AC=12,点P在正方形的边上,则满足PE+PF=9的点P的个数是( )A.0 B.4 C.6 D.8二.填空题(共8小题,3*8=24)11.27 - 3 =__________.12. 如图,顺次连接四边形ABCD四边的中点E,F,G,H,当AC与BD满足________时,得到的四边形EFGH为菱形.13.如图,在平行四边形ABCD中,AB=5,AD=3,AE平分∠DAB交BC的延长线于点F,则CF=__ __.14.如图,顺次连接四边形ABCD四边的中点E,F,G,H,则四边形EFGH的形状一定是___________.15.如图,四边形ABCD是对角线互相垂直的四边形,且OB=OD,添加一个条件____________,可使四边形ABCD成为菱形.(只需添加一个即可)16.如图,菱形ABCD的面积为120 cm2,正方形AECF的面积为50 cm2,则菱形的边长为__ __ cm.17.如图,在矩形ABCD中,AB=2,BC=3.若E是边CD的中点,连接AE,过点B作BF⊥AE 交AE于点F,则BF的长为________.18.如图,在平面直角坐标系中,O为坐标原点,四边形OABC是矩形,点A,C的坐标分别为A(10,0),C(0,4),点D是OA的中点,点P为线段BC上的点.小明同学写出了一个以OD为腰的等腰三角形ODP的顶点P的坐标(3,4),请你写出其余所有符合这个条件的P点坐标_____________.三.解答题(7小题,共66分)19.(8分) 计算:(1)(6-1332-1224)×(-26);(2)(3-2)2(3+2)+(3+2)2(3-2).20.(8分) 先化简,再求值:(3x +4x 2-1-2x -1)÷x +2x 2-2x +1,其中x =2-1.21.(8分) 如图,B ,E ,C ,F 在一条直线上,已知AB ∥DE ,AC ∥DF ,BE =CF ,连接AD. 求证:四边形ABED 是平行四边形.22.(10分) 已知,如图,在▱ABCD 中,E 是CD 的中点,F 是AE 的中点,FC 与BE 交于点G.求证:GF=GC.23.(10分) 如图,在四边形ABCD中,∠BAC=90°,E是BC的中点,AD∥BC,AE∥DC,EF ⊥CD于点F.(1)求证:四边形AECD是菱形;(2)若AB=6,BC=10,求EF的长.24.(10分) 如图,在▱ABCD中,O是CD的中点,连接AO并延长,交BC的延长线于点E.(1)求证:△AOD≌△EOC;(2)连接AC,DE,当∠B=∠AEB=________°时,四边形ACED是正方形,请说明理由.25.(12分) 已知正方形ABCD的对角线AC和BD相交于点O,点M,N分别在射线AC,DB 上(点M,N与A,B,C,D,O各点均不重合),且MN∥AD,连接DM,CN.(1)如图①,当点M,N分别在线段AO,DO上时,探究线段DM与CN之间的数量关系为:____________;(直接写出结论,不必证明)(2)如图②,当点M,N分别在线段OC,OB上时,判断(1)中的结论是否成立,若成立给出证明;若不成立说明理由;(3)如图③,当点M,N分别在线段OC,OB的延长线上,请在图③中画出符合题意的图形,并直接判断(1)中的结论是否成立,不必说明理由.参考答案1-5DDBDC 6-10BBCCD 11. 2 3 12.AC =BD 13. 2 14. 平行四边形 15. OA =OC 或AD ∥BC 等 16. 13 17.310518. (8,4)19. 解:(1)原式=2.(2)原式=42.20. 解:原式=[3x +4(x +1)(x -1)-2(x +1)(x +1)(x -1)]·(x -1)2x +2=3x +4-2x -2(x +1)(x -1)·(x -1)2x +2=x +2(x +1)(x -1)·(x -1)2x +2=x -1x +1,当x =2-1时,原式=2-22=2-222=1- 2 21.证明:∵AB ∥DE ,∴∠B =∠DEF.∵AC ∥DF ,∴∠ACB =∠F. ∵BE =CF ,∴BE +CE =CF+CE ,即BC =EF. 在△ABC 和△DEF 中, ⎩⎪⎨⎪⎧∠B =∠DEF ,BC =EF ,∠ACB =∠F ,∴△ABC ≌△DEF(ASA).∴AB =DE.又∵AB ∥DE ,∴四边形ABED 是平行四边形.22. 证明:取BE 的中点H ,连接FH ,CH ,∵F 是AE 的中点,∴FH ∥AB ,FH =12AB.∵CD ∥AB ,CD =AB ,CE =12CD ,∴CE ∥FH ,且CE =FH.∴四边形CEFH 是平行四边形.∴GF =GC. 23. 解:(1)证明:∵AD ∥BC ,AE ∥DC ,∴四边形AECD 是平行四边形,∵∠BAC =90°,E是BC 的中点,∴AE =CE =12BC ,∴四边形AECD 是菱形 (2)过A 作AH ⊥BC 于点H ,∵∠BAC =90°,AB =6,BC =10,∴AC =102-62=8,∵S △ABC =12BC·AH=12AB·AC,∴AH =6×810=245,∵点E 是BC 的中点,BC =10,四边形AECD 是菱形,∴CD =CE =5,∵S ▱AECD =CE·AH=CD·EF,∴EF =AH =245 24. 解:(1)∵四边形ABCD 是平行四边形,∴AD ∥BC ,∴∠ADO =∠OCE ,∠DAO =∠CEO ,∵O 是CD 的中点,∴OD =OC ,∴△AOD ≌△EOC(AAS) (2)当∠B =∠AEB =45°时,四边形ACED 是正方形,理由:∵△AOD ≌△EOC ,∴OA =OE ,又∵OC =OD ,∴四边形ACED 是平行四边形,∵∠B =∠AEB =45°,∴AB =AE ,∠BAE =90°,∵四边形ABCD 是平行四边形,∴AB ∥CD ,AB =CD ,∴∠COE =∠BAE =90°,∴▱ACED 是菱形,∵AB =AE ,AB =CD ,∴AE =CD ,∴菱形ACED 是正方形25. 解:(1)DM =CN(2)结论仍然成立.证明:∵四边形ABCD 的对角线AC ,BD 交于点O ,∴AC =BD ,OB =OD =12BD ,OC =12AC ,AC ⊥BD ,∴OD =OC =OB ,∠DOM =∠CON =90°,∵NM ∥AD ∥BC ,∴∠ONM =∠OBC ,∠OMN =∠OCB.∵OB =OC ,∴∠OBC =∠OCB ,∴∠ONM =∠OMN ,∴ON =OM ,∴△DOM ≌△CON(SAS),∴DM =CN(3)图略.结论仍然成立。

2022-2023学年第二学期初一数学期中测试参考答案

2022-2023学年第二学期初一数学期中测试参考答案

2022~2023学年第二学期初一年级期中考试数学参考答案与评分标准一、选择题(本大题共10小题,每题3分,共30分)11、 1 12、 1.05×10-3 13、 0.125 14、 同位角相等,两直线平行15、 (a +b )3 16、 3 17、 16 18、 12三、解答题(本大题共10题,共76分)19.(本题满分8分,每小题4分)计算:(1)=6664x x x -+(3分)=62x -(1分)(2)=22263x xy xy y -+-(2分)=22253x xy y +-(2分)20.(本题满分8分,每小题4分)因式分解:(1) =()2441a -(2分)=()()42121a a +-(2分)(2)=()222x xy y --+(2分)=()2x y --(2分)21.(本题满分5分)=221x x ++(3分)=2023(2分)22.(本题满分8分,每小题2分)(1)△DEF 如图所示;(2)CH 如图所示;(3)平行且相等;(4) 7.5____.23.(本题满分9分,每小题3分)(1)9×1012(2)9×1017(3)1.08×106(若计算结果不用科学记数法扣1分)24.(本题满分5分)AD ∥BC (2分),理由略(3分)25.(本题满分6分)∠A+∠C=180°,即互补(2分),理由略(4分)26.(本题满分8分)(1) 8×10+1=92___;(2分)(2)2n (2n +2)+1=(2n +1)2 (n 为正整数);(3分,条件不写扣1分)(3)证明过程略(3分)27.(本题满分9分,每小题3分)(1)(a+b )(2a+b )=2a 2+3ab+b 2__.(2)(a +b )2-(a -b )2=4ab .(3) a 2+b 2=c 2___.(不写成最简形式扣1分)28.(本题满分10分)(1)证明过程略(3分)(2)① 如图3,作∠BAD 的平分线,∠BCD 的平分线,交于点'P ,由(1)可得,∠'P =12(∠B+∠D )=25°,(1分) 由角平分线可得,∠PA 'P =∠PC 'P =90°(1分)由“8字形”可得∠P=∠'P =25°.(1分)②()11802P B D ∠=︒-∠+∠.(2分) ③()190+2P B D ∠=︒∠+∠.(2分)。

部编版七年级语文第二学期期中试卷(附答案)

部编版七年级语文第二学期期中试卷(附答案)

部编版七年级语文第二学期期中试卷(附答案)第一部分:积累运用(10分)1、下面的句子,根据拼音提示,把恰当的字填在横线上。

(2分)那时候,他已经诗兴不作而志趣正浓。

他正向古代典籍①zuān tàn ,如向②dì qiào 寻求宝藏。

①②二、根据提示填空(4分)1、我们学习了李白不少脍炙人口的诗句,请写出我们学过的《春夜洛城闻笛》的最后两句:,。

2、用课文的原文回答木兰为什么替父从军的原因:三、语言综合运用(2分)如果你要向同学借一本课外书,而这个同学对书籍是非常爱惜的,你将如何说才能借到这个同学的课外书?。

四、改正下列加横线的错别字(2分)(1)、意愤填膺(2)、深遂(3)、心会神疑(4)、死而后己(1)、(2)、(3)、(4)、第二部分:阅读理解(48分)(一)《邓稼先》节选邓稼先则是一个最不引人注目的人物。

和他谈话几分钟,就看出他是忠厚平实的人。

他真诚坦白,从不骄人。

他没有小心眼儿,一生喜欢“纯”字所代表的的品格。

在我认识的知识分子当中,包括中国人和外国人,他是最有中国农民的朴实气质的人。

我想邓稼先的气质和品格是他所以能成功地领导各阶层许许多多工作者,为中华民族作了历史性贡献的原因:人们知道他没有私心,人们绝对相信他。

“文革”初期,他所在的研究院(九院)和当时全国其他单位一样,成立了两派群众组织,对吵对打。

而邓稼先竟有能力说服两派继续工作,于1967年6月成功地制成了氢弹。

1971年,在他和他的同事们被“四人帮”批判围攻的时候,如果别人去和工宣队、军宣队讲理,恐怕要出惨案。

而邓稼先去了,竟能说服工宣队、军宣队的队员。

这是真正的奇迹。

邓稼先是中国几千年传统文化所孕育出来的有最高奉献精神的儿子。

邓稼先是中国共产党的理想党员。

刘老师是我初中的语文老师和班主任,第一次见到她不是在学校,而是在我家里,开学前她一户户上门来接受学生的报名,顺便认识学生和学生家长,这样的老师在我的学生生涯中只遇到过这一次。

第二学期期中达标测试卷 2022-2023学年度人教版物理八年级下册

第二学期期中达标测试卷  2022-2023学年度人教版物理八年级下册

第二学期期中达标测试卷满分:100分时间:80分钟一、选择题:本大题共7小题,每小题3分,共21分。

在每小题给出的四个选项中,只有一项是符合题目要求的。

1.如图1所示,用扳手拧螺钉时,手握在扳手的末端比握在扳手的中部省力,这说明力的作用效果()图1A.与力的大小有关B.与力的方向有关C.与力的作用点有关D.与受力面积有关2.以下是小明对一些物理量的估测,其中最符合实际的是()A.托起两枚鸡蛋的力约为5 NB.一个中学生的体重约为50 NC.教室内的大气压约为1×105 PaD.高山上水的沸点约为100 ℃3.如图2所示,对放在桌面上的冰墩墩来说,与冰墩墩的重力是一对平衡力的是()图2A.地面对桌子的支持力B.桌面对冰墩墩的支持力C.冰墩墩对桌面的压力D.桌子受到的重力4.如图3所示,小华和小红在放学的路上讨论如何让书包背起来更舒适一些,你认为以下方式可以达到这一目的的是()图3A.将书包的背带改细B.将书包的背带加宽C.在书包里多放一些书D.将书包的背带加长5.图4是“探究阻力对物体运动的影响”实验过程,下列说法错误的是()图4A.每次实验时,应让小车从斜面的同一高度由静止滑下B.从斜面同一高度由静止滑下后,小车在毛巾表面滑行距离最短C.实验表明,力不是维持物体运动状态的原因D.若运动的小车不受阻力,将保持静止或匀速直线运动状态6.如图5所示,用水平拉力向左拉静止在水平地面上的物块。

第一次F1=10 N,物块未被拉动;第二次F2=15 N,物块恰好能向左做匀速直线运动;第三次F3=20 N,物块向左运动。

下列说法正确的是()图5A.第一次时物块不受摩擦力作用B.第二次时物块受到的摩擦力大小为15 NC.第三次时物块受到的摩擦力方向向左D.第三次时物块受到的摩擦力大小为20 N7.甲、乙两种物质的m-V关系图象如图6所示,用甲、乙两种物质制成质量相等的实心正方体A、B,把它们平放在水平地面上,则正方体A、B对水平地面的压强之比为()图6A.8∶1 B.4∶3C.2∶1 D.4∶1二、填空题:本大题共7小题,每空1分,共21分。

七下期中测试题及答案

七下期中测试题及答案

七下期中测试题及答案一、选择题(每小题1分,共20分)1. A2. C3. B4. A5. D6. C7. D8. B9. C10. A11. B12. D13. B14. C15. A16. D17. B18. C19. A20. D二、填空题(每小题1分,共20分)1. 十九2. 宋朝3. 百慕大4. 漂亮5. 了解6. 梅花7. 性格8. 春秋时期9. 小说10. 经典三、简答题(每小题2分,共20分)1. 虎门销烟事件是中国现代近代史上的一件重要历史事件,发生于19世纪末的广东虎门。

该事件标志着中国人民对于外国侵略的抵抗,对中国近代史产生了深远影响。

2. 中国共产党是中国工人阶级的先锋队,于1921年成立。

中国共产党始终坚定地为中国人民的利益而奋斗,为实现中国的独立、自由、民主、富强而努力。

3. 封建时代是一种以封建制度为基础的社会形态。

在封建社会,地主阶级对农民进行剥削压迫,形成了严重的等级制度。

4. 《红楼梦》是中国古代小说的巅峰之作,被誉为中国古代小说的巅峰之作,也是世界文学的瑰宝。

5. 水稻是中国人主要的粮食作物之一,对中国的农业和经济发展起到重要作用。

四、阅读理解题(每小题2分,共20分)1. B2. D3. A4. C5. B6. A7. C8. D9. A10. B总结:本次七下期中测试题分为选择题、填空题、简答题和阅读理解题四部分。

题目涵盖了语文、历史和地理等不同学科的内容。

通过参与测试,学生们能够巩固所学知识,提高分析和解决问题的能力。

以上是本次期中测试题及答案的内容。

希望能对同学们的复习和学习有所帮助。

江苏省淮安市涟水县2022-2023学年七年级下学期期中语文试题(含答案)

江苏省淮安市涟水县2022-2023学年七年级下学期期中语文试题(含答案)

2022~2023学年度第二学期七年级期中测试语文试题第一部分积累运用(20分)1.阅读下面的文字,按要求答题。

(6分)谷雨,是春季的最后一个节气。

传说上天为生民贺喜,就将谷子降落到人间,因此这天被称为谷雨。

谷雨时节,雨水充足,洗去一切污秽,湖水蓝蓝的,真像一颗蓝宝石镶嵌在大地之上。

五彩斑斓的大自然更显生动,雨声伴我们hān rǎn rù mèng。

清脆的布谷鸟声__________(A.提醒B.提议)淳朴的农民要开始田间劳作,而瓜果也在花落之后渐渐成熟。

(1)根据拼音写出相应的汉字,请在田字格内正确、工整地书写出来。

(2分)hiān rán rùmèng(2)给加点字注音。

(2分)镶嵌.__________五彩斑斓.__________(3)给语段中横线处选择一个恰当..的词语.(1分)(4)下列诗句描写的景象与“谷雨”这一节气相符..的一项是(__________)(1分)A.枯藤老村昏捣,小桥流水人家,古道西风瘦马B.红紫妆林绿满池,游丝飞东两依依C.接天莲叶无穷碧,映日荷花别样红。

2.学校拟开展“天下国家”综合性实践活动,邀你参与完成以下任务。

(8分)(1)【活动我设计】七年级(1)班拟举行三个活动来激发同学的爱国情怀,请你参考示例,再设计两个活动。

(2分)活动1:激发心志:爱国人物故事会活动2:____________________活动3:____________________(2)【对联我补充】同桌小语拟写了一副对联,请你对其下联的语序适当调整,使上下联工整对仗。

(2分)上联:承前启后神州河山皆秀丽下联:华夏儿女继往开来更风流(3)【讲座我邀请】初一年级打算邀请学校党支部肖书记为大家作“天下国家”主题讲座,时间是周日上午九点,地点是学校报告厅。

年级学生会主席小文代表同学们去邀请他,小文说:“________________________________________”。

第二学期七年级期中测试卷

第二学期七年级期中测试卷

第二学期七年级期中测试卷(满分:100分考试时间:90分钟)校区_________ 班级_________ 姓名_________ 得分_________听力部分(共20分)一、情景反应(每小题1分,共5分)本题共5个小题,每小题你将听到一组对话。

请你从每小题所给的A、B、C三幅图片中选出与对话内容相符的图片,并将其字母标号填入题前的括号内。

( )( )( )( )( )二、对话理解(每小题1分,共5分)本题共5个小题,每小题你将听到一组对话和一个问题。

请你从每小题所给的A、B、C三个选项中,选出一个最佳选项。

( )6.A.America. B.China C.Africa.( )7.A.1 kilometer. B.2 kilometers. C.3 kilometers.( )8.A.Cleaning the room. B. Reading a newspaper. C.Doing the dishes.( )9.A.In the library. B.In the classroom. C.At home.( )10. A.She likes English. B.She has a lot of homework.C.She can't go to the movies now.三、语篇理解(每小题1分,共5分)本题你将听到一篇短文。

请你根据短文内容和所提出的5个问题,从每小题所给的A、B、C三个选项中,选出一个最佳选项。

( )11.What rules does Lisa talk about?A.School rules.B.Class rules.C.Family rules.( )12.When does Lisa have to get up in the morning?A.At 5:45.B.Ar6:15C.Ar6:45( )13.Where does Lisa have lunch?A.At school.B.At home.C.At her classmate's house ( )14.Why can't Lisa play computer games for long?A.Because she has to play the pianoB.Because her mother says it's bad for her eyes.C.Because her teacher thinks it's bad for her study( )15.What does Lisa think of the rules?eful.B.NiceC.Boring.四、听力填空(每小题1分,共5分)笔试部分(共80分)五、单项选择(每小题1分,共10分)请你从每小题所给的A、B、C三个选项中,选出一个能填入空白处的最佳选项。

人教版七年级下册数学《期中检测试题》(附答案解析)

人教版七年级下册数学《期中检测试题》(附答案解析)
10. 7张如图1的长为a,宽为b(a>b)的小长方形纸片,按图2的方式不重叠地放在矩形ABCD内,未被覆盖的部分(两个矩形)用阴影表示.设左上角与右下角的阴影部分的面积的差为S,当BC的长度变化时,按照同样的放置方式,S始终保持不变,则a,b满足【 】
A.a= bB. a=3bC.a= bD. a=4b
∴阴影部分面积之差 .
∵S始终保持不变,∴3b﹣a=0,即a=3b.
故选B.
【点睛】此题考查了整式的混合运算,熟练掌握运算法则是解本题的关键.
二、填空题(本题有8小题,每小题3分,共24分)
11. =______.
【答案】
【解析】
【分析】
根据整式的混合运算法则进行计算即可.
【详解】
故答案为: .
【点睛】本题考查了整式的运算问题,掌握整式的混合运算法则是解题的关键.
A.a= bB. a=3bC.a= bD. a=4b
二、填空题(本题有8小题,每小题3分,共24分)
11. =______.
12.已知 是方程ax-y=3的解,则a的值为________.
13.已知方程 ,用含x的代数式表示y,则 _______.
14.若已知公式.若二元一次方程3x﹣y=7,2x+3y=1,y=kx﹣9有公共解,则k的取值为______.
A.(x﹣y)2=x2﹣y2B.(a+2)(a﹣3)=a2﹣6
C.(a+2b)2=a2+4ab+4b2D.(2x﹣y)(2x+y)=2x2﹣y2
8.如图,从边长为( )cm的正方形纸片中剪去一个边长为( )cm的正方形( ),剩余部分沿虚线又剪拼成一个矩形(不重叠无缝隙),则矩形的面积为( )
A. B. C. D.

北京市第八十中学2023-2024学年八年级下学期期中测试英语试题(解析版)

北京市第八十中学2023-2024学年八年级下学期期中测试英语试题(解析版)

北京市第八十中学2023~2024学年度第二学期期中统练八年级英语(考试时间90分钟满分60分)提示:试卷答案请一律填涂或书写在答题卡上。

在答题卡上,选择题用2B铅笔作答,其他试题用黑色签字笔作答。

知识运用(共11分)一、单项填空(每题0.5分,共3分)从下列各题所给的A、B、C、D四个选项中,选择可以填入空白处的最佳选项。

1. Mr. Wang is coming to our school. I can’t wait to see .A. herB. himC. itD. them【答案】B【解析】【详解】句意:王老师要来我们学校了,我迫不及待要看到他。

her她,人称代词宾格;him他,人称代词宾格;it它;them他们,人称代词宾格。

根据句意可知,这个空代指的是Mr. Wang,是男性,故应选B。

2. Stop ________ so much junk food. It’s bad for your health.A. eatB. to eatC. eatsD. eating【答案】D【解析】【详解】句意:停止吃这么多的垃圾食品。

这对你的健康有害。

考查非谓语动词。

stop doing sth.停止做某事;stop to do sth.停下来去做某事。

根据“It’s bad for your health.”可知,此处表示停止吃垃圾食品,应用stop eating。

故选D。

3. —Hi, Susan. _________ have you been in China?—For about 10 years.A. How oftenB. How muchC. How longD. How many【答案】C【解析】【详解】句意:——嗨,苏珊。

你来中国多久了?——大约10年了。

考查how短语辨析。

how often多久,对频率提问;how much多少,对不可数名词的数量或对物体价格提问;how long多长,对物体长度或一段时间提问;how many多少,对可数名词数量提问;根据答语“For about 10 years.”可知,问句是在询问持续的时间,应使用how long。

山西省太原市2023-2024学年八年级下学期期中英语测试题(笔试部分)(含答案)

山西省太原市2023-2024学年八年级下学期期中英语测试题(笔试部分)(含答案)

2023-2024太原初二第二学期期中考试笔试部分一、补全对话三、阅读理解A请阅读下面信息,判断句子正误。

与短文内容相符的选“T”,与短文内容不相符的选“F”,并在答题卡上将该项涂黑。

36.The Green Family Farm needs volunteers to help plant trees this summer.( )37.The Green Family Farm is at No.2 Shahe Street in Qingxu,Taiyuan.( )38.We can volunteer in the Green Family Farm every weekend from May to August.( )39.If you want to learn more information,you can call 0351-******* or send an e-mail.( )40.Students can learn all kinds of life skills at the Green Family Farm.( )BNowadays,whether teenagers should do chores or not has become a hot topic.Here is a post(帖子)about it on .Question:Should teenagers do chores?Labor(劳动)education catches people's eye these days.But many surveys show that kids are getting lazier and more parents are doing all the housework.Do you think teenagers should spend time on chores? Please leave your comments(评论)about this question.CommentsDavid Children often get a lot of homework and have much stress about school.So they don't have time and energy to do chores.Parents should do the housework insteadof the children.Bob Doing chores helps children to be more independent.It also teaches them life skills such as washing clothes,cooking and cleaning.Kids should be able to do thingsby themselves.They can't live with their parents forever.Mary Doing chores may take a long time.If you are not good at doing chores,you may get into trouble like breaking things or hurting yourself.So there is no need forteenagers to do chores.Alice We students sit on the chairs all day to study and play with our phones sometimes after school,not wanting to exercise or do other things at all.It is bad for our health.However,doing housework,from doing the dishes to sweeping the floor,can makeus move around and keep away from our phones for a while.Peter If we take the responsibility to do it,parents will be very happy!In fact,all the family members,not just our mothers,should share the housework.It shows ourlove to the family and the idea of fairness.41.The passage is from______________.A.a storybookB.a reportC.a website42.From David's words,we can know that_______________.A.David gets a lot of stress from houseworkB.David wants to do housework together with his familyC.David thinks that doing chores should be parents' job43. Which of the following is TRUE according to Alice's words?A.Doing chores is good for children's health.B,Children just want to make their parents happyC.Doing chores can make children independent.44. What does the underlined word “responsibility" mean in the text?A.责任B.机会C.挑战45. Who has the similar idea with Peter?A. David.B. Bob.C.Mary.CIt's normal to have different ideas from others. People may think that disagreement causes fights. However, this is not true, If we communicate with others in a proper way, disagreement will also be happy and educational.46First of all,we should listen to others carefully when they show different ideas. Sometimes we may want to show our ideas too much,so we don't really listen. 47When you listen to others, give them your full attention to show them that your are interested in what they are saying.Secondly, when somebody doesn’t agree with you, don't treat him in an unfair way.48 Instead, we should use the facts, not your feelings to communicate with others. Try to realize that their ideas cover something useful, though you don't have to agree with them.49 When you show your opinion, make sure you are using “I” language, not “we language. The use of “we” may let others feel that the speaker feels like ganging together (拉结派).It's not helpful to reach an agreement.All in all, if we know the truth of communication, it'll be easier for us to reach an agreement. 50 It is all about listening and understanding. What's more, rememberto respect(尊重)each other though we have different opinions.A. It means we shouldn’t get angry with him or shout at himB. But careful listening is the first step to know others betterC. Thirdly, be sure that you are speaking only for yourself.D. Make sure your friends will agree with you finallyE. Then what is the truth of communication?F. Here's some advice.DAccidents happen more often than you think.Every year in China,3.2 million people die in accidents—that's almost six people every minute.Scientists say that the 10 minutes after an accident can make the difference between life and death.This is why learning first aid(急救)is so important for everyone.Common first aid training teaches you how to deal with emergencies(突发情况),do CPR(心肺复苏),and treat things like burns,bleeding and broken bones.You can learn first aid by visiting the official website(官方网站)of China First Aid training.You can also read books or watch videos that can be found on free apps.Going to some first aid camps is also a good idea,and it takes only a few hours to learn some useful skills there.Knowing the importance of learning first aid skills,many schools in Taiyuan have started first aid training lessons.After taking these lessons,a lot of students not only learned how to deal with small accidents,but also learned to keep calm when facing them.Taiyuan Daily ReportOn Mar.21st,a man had a sudden heart problem at the subway station.As soon as he fell down on the floor,several warm-hearted citizens(市民)came to help.Zhang英语试题参考答案及等级评定建议一、补全对话(每小题2分,共10分)21—25 BEAGF二、完形填空(每小题1分,共10分)26—30 BCABC31—35 ABABC三、阅读理解(每小题2分,共40分)(A)36—40 FTFTF(B)41—45 CCAAB(C)46—50 FBACE(D)51.Because the 10 minutes after an accident can make the differencebetween life and death.52.They can visit the official website of China First Aid Training or readbooks./By visiting the official website of China First Aid Training or reading books./They can watch videos that can be found on free apps orgo to some first aid camps./…(任写两种方式即可)53.(It will take)1.5 hours/one(an)hour and a half/one and a half hours.54.(We can learn)Zhang Hua not only learned how to deal with smallaccidents,but also learned to keep calm when facing them(at school)./We should learn first aid skills and try to help others in need (just likeZhang Hua)./It's necessary for students to learn first aid skills./.…(言之有理即可)55.I learned how to deal with bleeding./…I learned it on the Internet./At school./…(开放性答案,言之有理即可。

2023—2024学年度第二学期期中质量监测八年级生物试题

2023—2024学年度第二学期期中质量监测八年级生物试题

2023—2024学年度第二学期期中质量监测生物学试卷注意事项:1.本试卷总分60分,考试时间60分钟。

2.答题前,考生务必将姓名、准考证号填写在试卷和答题卡的相应位置。

3.所有答案均在答题卡上作答,在本试卷或草稿纸上作答无效。

答题前请仔细阅读答题卡上的“注意事项”按照“注意事项”的规定答题。

4.答选择题时,用2B铅笔将答题卡上对应题目的答案标号涂黑;答非选择题时,请在答题卡上对应题目的答题区内答题。

5.考试结束时,请将本试卷和答题卡一并交回。

一、选择题(本大题包括25 小题,每小题1分,共25分。

在每小题提供的四个选项中,只有一项最符合题目的要求。

)1.下列生物新个体的产生,哪些是属于无性生殖( )①草莓植物苗的组织培养②试管婴儿的产生③月季的扦插④玉米种子种下长出玉米植株⑤马铃薯的块茎发芽生根A.①②③B.①③⑤C.①③④⑤D.①②④2.如图为绿色开花植物不同结构层次的变化过程示意图,下列叙述错误的是A. a是指细胞分裂B. b是指细胞分化C.丁属于器官D.戊属于系统3.如图为大豆生长发育过程的示意图,下列叙述正确的是A.甲中的胚由胚珠发育而来B.乙图种子萌发时首先突破种皮的是胚芽C.丁花中最重要的结构是花瓣D.戊果实由种子和果皮组成4.有关下图所示几种动物的说法中,错误的是A.家蚕是节肢动物,成虫的体表有坚韧的外骨骼B.麻雀体温恒定,飞行时利用气囊辅助呼吸C.蚯蚓由许多相似的体节组成,只依靠刚毛进行运动D.蜥蜴体表有角质的鳞片,可减少体内水分的蒸发5.小明是个爱动脑筋的好孩子,他假期到姥姥家玩时,经常随姥爷下地干活,下面是他和姥爷进行农作物种植后的有关叙述,请你利用所学知识进行判断,其中错误的是A.播种前要对土壤进行耕和耙,是因为种子萌发需要充足的空气B.播种时要给土壤施农家肥,主要是为了给植物生长提供有机物C.播种后要用地膜覆盖,是为了控制温度,有利于种子提早萌发D.要适时给庄稼松土,是为了给植物根的呼吸作用提供充足的氧气6.海姆立克急救法,由美国医生亨利·海姆立克发明,是主要针对异物卡喉的急救方法。

(人教版部编版)初中语文七年级下册期中测试02含答案解析

(人教版部编版)初中语文七年级下册期中测试02含答案解析

加油!有志者事竟成答卷时应注意事项1、拿到试卷,要认真仔细的先填好自己的考生信息。

2、拿到试卷不要提笔就写,先大致的浏览一遍,有多少大题,每个大题里有几个小题,有什么题型,哪些容易,哪些难,做到心里有底;3、审题,每个题目都要多读几遍,不仅要读大题,还要读小题,不放过每一个字,遇到暂时弄不懂题意的题目,手指点读,多读几遍题目,就能理解题意了;容易混乱的地方也应该多读几遍,比如从小到大,从左到右这样的题;4、每个题目做完了以后,把自己的手从试卷上完全移开,好好的看看有没有被自己的手臂挡住而遗漏的题;试卷第1页和第2页上下衔接的地方一定要注意,仔细看看有没有遗漏的小题;5、中途遇到真的解决不了的难题,注意安排好时间,先把后面会做的做完,再来重新读题,结合平时课堂上所学的知识,解答难题;一定要镇定,不能因此慌了手脚,影响下面的答题;6、卷面要清洁,字迹要清工整,非常重要;7、做完的试卷要检查,这样可以发现刚才可能留下的错误或是可以检查是否有漏题,检查的时候,用手指点读题目,不要管自己的答案,重新分析题意,所有计算题重新计算,判断题重新判断,填空题重新填空,之后把检查的结果与先前做的结果进行对比分析。

亲爱的朋友,你们好!经过两个月的学习,你们一定有不小的收获吧,用你的自信和智慧,认真答题,相信你一定会闯关成功。

相信你是最棒的!期中测试一、积累与运用(22分)1.给下列句中的加点字注音或根据拼音写出相应的汉字。

(3分)(1)他正向古代典籍钻探,有如向地壳.()寻求宝藏。

(2)对于广大的关东原野,我心里怀着zhì()痛的热爱。

(3)往常他坐在蹬三轮的座上,或抱着冰yǔ()着身子进我家来,不显得那么高。

2.下列各组词语中均有错别字,请找出来并改正。

(4分)(1)谣言咳嗽锲而不舍刮目想看错字:________ 改正:________(2)深宵屏嶂大庭广众迥乎不同错字:________改正:________(3)诘问滞笨不以为然夫孺皆知错字:________ 改正:________(4)跌起气魄目不窥园当之无愧错字:________ 改正:________3.下列文学常识有误的一项是()(3分)A.《回忆鲁迅先生(节选)》的作者萧红,原名张迺莹,作家,著有长篇小说《呼兰河传》《生死场》,散文集《牛车上》等。

人教版语文七年级(下)期中测试卷2(附答案)

人教版语文七年级(下)期中测试卷2(附答案)

(满分150分,时间150分钟)一、基础知识及运用。

(32分)1.下列加点字注音没有错误的一项是()。

(22分)A.萦(yíng)绕亘(gèn)古锲(qì)而不舍镐(gāo)头B.伛(yǔ)弯殷(yīn)红污秽(suì)矜(jīn)持C.挚(zhì)痛谰(lán)语愧怍(zuò)斟酌(zhuó)D.气冲斗(dòu)牛凹凼(dàng)校(xiào)补震悚(sǒng)2.下面各句中,加点成语使用正确的一项是()。

(2分)A.商务部新闻发言人就中美经贸问题回应称,我们必定不惜代价,坚决捍卫国家和人民的利益。

而美方却一意孤行,对中方的态度不以为然。

B.好久之后,父亲自言自语地说:“这人怎么了呢?”C.邓稼先是位家喻户晓的人物,他曾为中国核武器的研制做出过巨大贡献.D.人生在世,就要抓住每一天的精彩,如果不能做到尽善尽美,但求当之无愧。

3.下列各句中,没有语病,句意明确的一项是()。

(2分)A.据统计,瘦西湖景区昨日半天接待游客超过5万人左右。

B.中国商务部新闻发言人回应道,如果美方公布新增1000亿征税产品清单,中方将毫不犹豫、立刻进行加大反击。

C.随着大陆经济发展进一步向高质量水平提升,使广大台商台企相信只要抓住大陆经济发展的脉动,一定能够赢得更大更好的发展。

D.国内萤火虫研究专家认为,在同一区域大规模捕捉或放飞萤火虫,不仅会给输入地生态带来负面影响,更易造成输出地萤火虫灭绝。

4.下列解说正确的一项是()。

(3分)A.小王与久未见面的老朋友寒暄时说:“多日未到府上拜访,家父、家母身体都还好吧?”解说:小王的表述十分得体而且很有礼貌。

B.画眉在树林边婉转地唱歌。

解说:这句话中的“在”和“唱歌”分别是连词和动词。

C.“撸起袖子加油干”,是时代赋予我们这一代人的使命,更是我们向未来做出的承诺。

解说:句中的“是……更是……”表递进关系。

2023年学年度第二学期期中考试初一年级语文试卷及答案

2023年学年度第二学期期中考试初一年级语文试卷及答案

2023/2023 学年度其次学期期中考试初一年级语文试卷分值:120 考试时间:100 分钟命题人:一、积存运用〔38 分〕1.名句默写。

〔10 分〕〔1〕桃李不言,。

〔2〕,勿施于人。

〔3〕深林人不知,。

〔4〕马上相逢无纸笔,。

〔5〕此夜曲中闻折柳,。

〔6〕,寒光照铁衣。

〔7〕杨花榆荚无才思,。

〔8〕,一览众山小。

〔9〕不畏浮云遮望眼,。

〔10〕,柳暗花明又一村。

2.阅读下面一段文字,完成题目。

〔6 分〕历史的星空,应众多的精彩人物而光辉绚烂。

他们中有叱咤.风云的政治家,有jué 胜千里的军事家,有博学的科学家,还有为人类奉献贵重精神粮食的文学艺术家……读懂他们,能让我们感受到他们非凡的气质,唤起我们对抱负的憧.憬和追求。

其实我们的身边更多的是平凡的人,他们的身上长消灭优秀品德的光辉,引导我们向善、务实、求美。

(1)给加点的字注音,依据拼音写汉字。

〔4 分〕jué 胜ruì智叱咤.憧.憬(2)文中有两个错字,请你找出并改正。

〔2 分〕改为改为3.以下句子有语病的一项为哪一项〔〕〔2 分〕A.央视《经典咏流传》受到观众的广泛好评,是由于其节目形式颖、文化内涵丰富。

B.据统计,2023 年一季度,国内汽油行业销售量与去年同期相比,增加大约11.7%。

C.推动儿童文学的进展和富强,首届“曹文轩儿童文学奖”征稿活动目前全面启动。

D.市卫生监视部门加大了对市场上牛肉的抽样检测力度,防止不合格肉制品重现百姓餐桌。

4.下面句子中加点成语使用不正确的一项为哪一项〔〕〔2 分〕A.能否做成学问,除必要的天赋外,很大程度取决于有无锲.而.不.舍.的精神。

B.刘启犯错误,教师批判了他,但他却不.以.为.然.,满不在乎。

C.吴京为人一向恳切、正直,对社会上的丑恶现象深.恶.痛.绝.。

D.小福最近写字扑.朔.迷.离.,教师连续两天批判他写字不认真了。

5.下面说法不正确的一项为哪一项〔〕〔2 分〕A.“我不能走。

(市县区某某中学)初中八年级数学下册第二学期期中考试试题卷(含答案详解)

(市县区某某中学)初中八年级数学下册第二学期期中考试试题卷(含答案详解)

(市县区某某中学)初中八年级数学下册第二学期期中考试试题卷(含答案详解)满分:150分 时间:120分钟一.单选题。

(每小题4分,共40分)1.已知x >y ,则下列不等式中,不成立的是( )A.3x >3yB.x -9>y -9C.﹣x >﹣yD.﹣x2<﹣y2 2.下列各式从左到右的变形是因式分解的是( )A.(x -3)(x+1)=x 2-2x -3B.x 2-xy=x (x -y )C.ab+bc+d=b (a+c )+dD.6x 2y=3xy•2x 3.若分式x -1x的值为0,则x 的值是( )A.1B.﹣1C.0D.24.把多项式2a 2-4a 分解因式,应提取的公因式是( ) A.a B.2 C.a 2 D.2a5.已知两个不等式的解集在数轴上如图所示,那么组成的不等式组的解集是( ) A.x >1 B.x ≥﹣1 C.﹣3<x ≤﹣1 D.x >﹣3(第5题图) (第6题图) (第10题图) 6.如图,将△COD 绕点O 按顺时针方向旋转一定角度后得到△AOB ,旋转角为( ) A.∠AOB B.∠BOC C.∠AOC D.∠COD 7.在下列分式的变形中,从左到右一定正确的是( ) A.a b =a+1b+1 B.2a 2b =ab C.a b =a 2b 2 D.a b =acbc 8.下列各式中能用平方差公式因式分解是( )A.﹣4a 2+b 2B.x 2+4C.a 2+c 2-2acD.﹣a 2-b 29.如果把xyx+y中x ,y 的值都扩大2倍,那么这个分式的值( )A.不变B.缩小到原来的12 C.扩大4倍 D.扩大2倍10.如图,一次函数y=kx+b 的图象经过点A (﹣1,﹣2)和B (﹣2,0),一次函数y=2x 的图象经过点A ,则不等式2x ≤kx+b 的解集为( )A.x ≤﹣1B.x ≤﹣2C.x ≥1D.﹣2≤x <﹣1 二.填空题。

(每小题4分,共24分) 11.因式分解:a 3-4a 2= 。

七年级第二学期期中测试数学试题(解析版)

七年级第二学期期中测试数学试题(解析版)

初一数学期中试卷一、选择题:(每小题3分,共30分,在每小题给出的四个选项中,只有一项是符合题目要求的,把你认为正确的答案填在答题卷相应的区域内)1.如图所示的图案可以看作由“基本图案”经过平移得到的是()A. B. C. D.【答案】D【解析】【分析】确定一个基本图案按照一定的方向平移一定的距离组成的图形就是经过平移得到的图形.【详解】A.不是由“基本图案”经过平移得到,故此选项错误;B.不是由“基本图案”经过平移得到,故此选项错误;C.不是由“基本图案”经过平移得到,故此选项错误;D.是由“基本图案”经过平移得到,故此选项正确;故选:D.【点睛】此题主要考查了利用平移设计图案,关键是正确理解平移的概念.2.下列计算正确的是()A.a2•a3=a6B. a6÷a3=a2C. (a2)3=a6D. (2a)3=6a3【答案】C【解析】【分析】根据同底数幂的乘法、同底数幂的除法、幂的乘方和积的乘方计算判断即可.【详解】解:A、a2•a3=a5,错误;B、a6÷a3=a3,错误;C、(a2)3=a6,正确;D、(2a)3=8a3,错误;故选C3.下列长度的三根木棒首尾相接,不能做成三角形框架的是( )A. 5cm、7cm、2cmB. 7cm、13cm、10cmC. 5cm、7cm、11cmD. 5cm、10cm、13cm【答案】A【解析】试题分析:三角形中任意两边之和大于第三边,任意两边之差小于第三边.A选项中5+2=7,则不能构成三角形.考点:三角形的三边关系4.下列各式从左到右的变形,是因式分解的是()A. x2-9+6x=(x+3)(x-3)+6xB. x2-8x+16=(x-4)2C. (x+5)(x-2)=x2+3x-10D. 6ab=2a•3b【答案】B【解析】分析:根据分解因式就是把一个多项式化为几个整式的积的形式的定义,利用排除法求解.详解:A.右边不是积的形式,故A选项错误;B.是运用完全平方公式,x2﹣8x+16=(x﹣4)2,故B选项正确;C.是多项式乘法,不是因式分解,故C选项错误;D.不是把多项式化成整式积的形式,故D选项错误.故选B.点睛:本题考查了因式分解的意义,注意因式分解后左边和右边是相等的,不能凭空想象右边的式子.这类问题的关键在于能否正确应用因式分解的定义来判断.5.如图,要得到AB∥CD,只需要添加一个条件,这个条件不可以...是()A. ∠1=∠3B. ∠B+∠BCD=180°C. ∠2=∠4D. ∠D+∠BAD=180°【答案】A【解析】【分析】根据B、D中条件结合“同旁内角互补,两直线平行”可以得出AB∥CD,根据C中条件结合“内错角相等,两直线平行”可得出AB∥CD,而根据A中条件结合“内错角相等,两直线平行”可得出AD∥BC.由此即可【详解】解:A .∵∠1=∠3,∴AD ∥BC (内错角相等,两直线平行); B .∵∠B +∠BCD =180°,∴AB ∥CD (同旁内角互补,两直线平行); C .∠2=∠4,∴AB ∥CD (内错角相等,两直线平行);D .∠D +∠BAD =180°,∴AB ∥CD (同旁内角互补,两直线平行). 故选A .【点睛】本题考查了平行线的判定,解题的关键是根据四个选项给定的条件结合平行线的性质找出平行的直线.本题属于基础题,难度不大,解决该题型题目时,根据相等或互补的角找出平行的两直线是关键. 6. 下列各式能用平方差公式计算的是( ) A. (2a+b )(2b -a ) B. (-12x+1)(-12x -1) C. (a+b )(a -2b ) D. (2x -1)(-2a+1)【答案】B 【解析】试题分析:能用平方差公式的代数式是指(a+b )(a -b ),即必须满足有两个相同的代数式,其中一个相等,另一个互为相反数. 考点:平方差公式.7.根据篮球比赛规则:赢一场得2分,输一场得1分,在某次中学生篮球联赛中,某球队赛了12场,赢了x 场输了y 场,得20分,则可以列出方程组( )A. 20212x y x y +=⎧⎨+=⎩B. 12220x y x y +=⎧⎨+=⎩C. 212220x y x y +=⎧⎨+=⎩D. 12220x y x y +=⎧⎨+=⎩【答案】D 【解析】分析:根据此题的等量关系:①共12场;②赢了x 场,输了y 场,得20分列出方程组解答即可.详解:设赢了x 场,输了y 场,根据题意:12220x y x y +=⎧⎨+=⎩.故选D . 点睛:本题考查了方程组的应用问题,根据实际问题中的条件列方程组时,要注意抓住题目中的一些关键性词语,找出等量关系,列出方程组.8.关于x 、y 的方程组93x y mx y m +=⎧⎨-=⎩的解是方程3x +2y =24的一个解,那么m 的值是( )A. 2B. -1C. 1D. -2【答案】C分析:把m 看做已知数表示出方程组的解,代入3x +2y =24计算即可求出m 的值.详解:93x y m x y m +=⎧⎨-=⎩①②,①+②得:2x =12m ,解得:x =6m ,①﹣②得:2y =6m ,即y =3m ,把x =6m ,y =3m 代入3x +2y =24中得:18m +6m =24,解得:m =1.故选C .点睛:本题考查了二元一次方程组的解,方程组的解即为能使方程组中两方程都成立的未知数的值. 9.若用十字相乘法分解因式:x 2+mx -12=(x +2)(x +a ),则a 、m 的值分别是( ) A. -6,4 B. -4,-6C. -4, 6D. -6,-4【答案】D 【解析】分析:用多项式乘多项式法则计算后,根据多项式恒等,对应项的系数相等即可得到结论.详解:x 2+mx -12=(x +2)(x +a )= x 2+(a +2)x +2a ,∴m =a +2,2a =-12,解得:a =-6,m =-4. 故选D .点睛:本题考查了多项式乘法法则.解题的关键是多项式恒等,对应项的系数相等.10.如图1是AD ∥BC 的一张纸条,按图1→图2→图3,把这一纸条先沿EF 折叠并压平,再沿BF 折叠并压平,若图3中∠CFE =18°,则图2中∠AEF 的度数为( )A. 108B. 114C.116 D.120【答案】B 【解析】如图,设∠B′FE=x ,根据折叠的性质得∠BFE=∠B′FE=x ,∠AEF=∠A′EF ,则∠BFC=x-18°,再由第2次折叠得到∠C′FB=∠BFC=x-18°,于是利用平角定义可计算出x=66°,接着根据平行线的性质得∠A′EF=180°-∠B′FE=114°,所以∠AEF=114°.故选B.点睛:本题主要考查了翻折变换,利用翻折变换前后角不发生大小变化是解决问题的关键.二、填空题:(每小题2分,共16分,把你的答案填在答题卷相应的横线上)11.遗传物质脱氧核糖核酸(DNA)的分子直径为0.000 0002cm,用科学记数法表示为______________cm.【答案】2×10-7【解析】试题分析:绝对值小于1的正数也可以利用科学记数法表示,一般形式为a×10﹣n,与较大数的科学记数法不同的是其所使用的是负指数幂,指数由原数左边起第一个不为零的数字前面的0的个数所决定,小数点移动的位数的相反数即是n的值.解:0.000 0002=2×10﹣7.故答案2×10﹣7.12.十边形的外角和是_____°.【答案】360【解析】【分析】根据多边形外角和等于360°性质可得.【详解】根据多边形的外角和等于360°,即可得十边形的外角和是360°.【点睛】本题考查了多边形的外角和.熟记多边形外角和是关键.13.分解因式:9x2―4y2=_______________.【答案】(3x+2y)(3x-2y)【解析】分析:原式利用平方差公式分解即可.详解:原式=(3x+2y)(3x-2y).故答案为(3x+2y)(3x-2y).点睛:本题考查了因式分解﹣运用公式法,熟练掌握平方差公式是解答本题的关键.14.已知a m=6,a n=3,则a m-n=__________【答案】2【解析】分析:根据同底数幂的除法法则:底数不变,指数相减进行计算即可.详解:∵a m =6,a n =3,∴a m ﹣n =a m ÷a n =6÷3=2.故答案为2.点睛:本题主要考查了同底数幂的除法,关键是掌握a m ÷a n =a m ﹣n (a ≠0,m ,n 是正整数,m >n ).15.若4x 2-mxy +y 2是一个完全平方式.....,那么m 的值是_________. 【答案】±4 【解析】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.详解:∵4x 2-mxy +y 2是一个完全平方式,∴m =±4. 故答案为±4.点睛:本题考查了完全平方式,熟练掌握完全平方公式是解答本题的关键. 16.已知a 、b 满足a 2+b 2-6a -4b +13=0,则a+b 的值是_______. 【答案】5 【解析】分析:应用配方法把原式进行变形,根据非负数的性质求出a 、b 的值,代入代数式计算即可.详解:∵a 2+b 2-6a -4b +13=0,∴a 2-6a +9+b 2-4b +4=0,∴(a -3)2+(b ﹣2)2=0,∴303202a a b b -==⎧⎧∴⎨⎨-==⎩⎩,,∴a +b =3+2=5.故答案为5.点睛:本题考查的是配方法的应用,掌握配方法的一般步骤是解题的关键. 17.如图,在△ABC 中,∠C=50°,按图中虚线将∠C 剪去后,∠1+∠2等于_____.【答案】230° 【解析】 【分析】首先根据三角形内角和可以计算出∠A+∠B 的度数,再根据四边形内角和为360°可算出∠1+∠2的结果. 【详解】解:∵△ABC 中,∠C=50°, ∴∠A+∠B=180°-∠C=130°, ∵∠A+∠B+∠1+∠2=360°,∴∠1+∠2=360°-130°=230°.故答案为230°.【点睛】此题主要考查了三角形内角和以及多边形内角和,关键是掌握多边形内角和定理:(n-2).180°(n≥3)且n为整数).18.已知m、n满足232431242316m nm n+=⎧⎨+=⎩,则m2-n2的值是_________.【答案】-15【解析】分析:两式相加,求出m+n的值,两式相减,求出m-n的值,即可求出m2-n2的值.详解:232431 242316m nm n+=⎧⎨+=⎩①②①+②得:m+n=1③,②-①得:m-n=-15④,③×④得:m2-n2=-15.故答案为-15.点睛:本题主要考查了解二元一次方程组问题,要熟练掌握,注意整体思想的应用.三、解答题:(本大题共8小题,共54分,要有必要的解题步骤)19.计算或化简:(1)(12)-3- 20160 -|-5|;(2)(-3a2)2-a2·2a2+(a3)2÷a2.【答案】(1)2 ;(2)8a4【解析】分析:(1)原式利用负整数指数幂、零指数幂法则计算即可求出值;(2)原式利用积的乘方和幂的乘方,单项式乘单项式,单项式除以单项式法则计算即可.详解:(1)原式=8-1-5 =2 ;(2)原式=9a4-2a4+a4 = 8a4.点睛:本题考查了整式的混合运算,熟练掌握运算法则是解答本题的关键.20.解二元一次方程组:(1)21367x yx y-=⎧⎨=-⎩;(2)23443x yx y-=-⎧⎨-=-⎩.【答案】(1)235xy=⎧⎨=⎩,(2)121xy⎧=-⎪⎨⎪=⎩【解析】分析:(1)方程组利用代入消元法求出解即可;(2)利用加减消元法求出解即可.详解:(1)21367x y x y -=⎧⎨=-⎩①②,把②代入①得:6y ﹣7﹣2y =13,即y =5,把y =5代入②得:x =23,则方程组的解为235x y =⎧⎨=⎩;(2)23443x y x y -=-⎧⎨-=-⎩①②,①×2-②得:-5y =-5,解得:y =1,把y =1代入①得:x =12-,则方程组的解为121x y ⎧=-⎪⎨⎪=⎩ .点睛:本题考查了解二元一次方程组,利用了整体的思想. 21.分解因式:(1)m (a ―b ) ―n (b ―a ); (2)y 3―6y 2+9 y . 【答案】(1)(a ―b )(m +n );(2)y (y ―3) 2 【解析】分析:(1)直接提取公因式(a -b ),进而分解因式即可;(2)先提取公因式y ,再用完全平方公式分解因式即可. 详解:(1)原式= m (a ―b ) +n (a ―b ) =(a ―b )(m +n ); (2)原式 = y (y 2―6y +9) = y (y ―3) 2.点睛:本题主要考查了提取公因式法分解因式,正确找出公因式是解题的关键.22.在正方形网格中,每个小正方形的边长均为1个单位长度,△ABC 的三个顶点的位置如图所示.现将△ABC 平移,使点A 变换为点D ,点E 、F 分别是B 、C 的对应点. (1)请画出平移后的△DEF ;(2)若连接AD 、CF ,则这两条线段之间的关系..是________________; (3)在图中找出所有满足S △ABC =S △QBC 的格点Q (异于点A ),并用Q 1、Q 2…表示.【答案】AD =CF ,AD ∥CF 【解析】分析:(1)根据网格结构找出点B、C平移后的对应点E、F的位置,然后与点D顺次连接即可;(2)根据平移的性质,对应点的连线平行且相等;(3)过点A作线段BC的平行线,平行线经过的网格点即为点Q1、Q2..详解:(1)如图所示;(2)AD与CF平行且相等.故答案为AD与CF平行且相等.(3)过点A作线段BC的平行线,平行线经过的网格点即为点Q1、Q2.,如图,点睛:本题考查了利用平移变换作图,平移的性质,熟练掌握网格结构,准确找出对应点的位置是解题的关键.23.先化简,再求值:x(2x-y)-(x+y) (x-y) + (x-y)2,其中x2+y2=5,xy=-2.【答案】16【解析】分析:原式利用单项式乘以多项式,平方差公式,完全平方公式化简,去括号合并得到最简结果,把已知等式代入计算即可求出值.详解:原式=2x2﹣xy﹣x2+y2+x2﹣2xy+y2=2x2+2y2﹣3xy,当x2+y2=5,xy=﹣2时,原式=2×5﹣3×(﹣2)=10+6=16.点睛:本题考查了整式的混合运算﹣化简求值,熟练掌握运算法则是解答本题的关键.24.某校组织“大手拉小手,义卖献爱心”活动,计划购买黑白两种颜色的文化衫进行手绘设计后出售,并将所获利润全部捐给山区困难孩子.已知该学校从批发市场花3600元购买了黑白两种颜色的文化衫200件.每件文化衫的批发价及手绘后的零售价如下表:批发价(元)零售价(元)黑色文化衫20 35白色文化衫15 25假设通过手绘设计后全部售出....,求该校这次义卖活动所获利润. 【答案】该校这次义卖活动所获利润为2600元 【解析】分析:设黑色文化衫x 件,白色文化衫y 件,根据该学校从批发市场花3600元购买了黑白两种颜色的文化衫200件,列二元一次方程组进行求解.详解:设黑色文化衫有x 件,白色文化衫有y 件.由题意得:20020153600x y x y +=⎧⎨+=⎩解得:12080x y =⎧⎨=⎩.利润=(35-20)×120+(25-15)×80=2600(元). 答:该校这次义卖活动所获利润为2600元.点睛:本题主要考查了二元一次方程组的应用,当问题较复杂时,有时设与要求的未知量相关的另一些量为未知数,即为间接设元.无论怎样设元,设几个未知数,就要列几个方程.。

新冀教版初中八年级下册英语期中试卷(含听力材料及答案)

新冀教版初中八年级下册英语期中试卷(含听力材料及答案)

第二学期期中达标测试卷时间:120分钟满分:120分第Ⅰ卷(选择题,共75分)听力部分(第一节)Ⅰ.听句子,选出句中所包含的信息。

(每小题1分,共5分)1. A. shop B. shower C. show2. A. 6:10 B. 6:20 C. 10:063. A. close up B. set up C. stand up4. A. This dog is black and white, and it looks like a panda.B. This black dog likes to play with the panda.C. This dog's ears look like those of a panda.5. A. You will get sick easily when you search the web.B. You will get sick if you are online for too long.C. You should stay away from the Internet.Ⅱ.听句子,选出最佳的答语。

(每小题1分,共5分)6. A. Milk. B. Three years old.C. It's yellow and white.7. A. Yes, it's beautiful. B. Thank you.C. No, just so-so.8. A. They are very beautiful. B. We can't live without plants.C. It's an enjoyable hobby.9. A. OK. I won't. B. That's right.C. No, you can't.10. A. Good luck. B. I'm sorry to hear that.C. It is hard.Ⅲ.听对话和问题,选择正确答案。

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2013年初二(下)学期期中英语统考试题听力部分(20分)一、这一大题共有10 小题,在每一小题内,你将听到一个句子,并看到供你选择的4个单词和短语,每个句子念2遍。

请在A 、B、C、D 4 个选项中选出一个你所听到的单词和短语。

(5分,每小题0.5分)( )1.A. three B. tree C. streets D. trains( )2.A. gives B. gates C. gifts D. guests( )3.A. right B. light C. bright D. night( )4.A. surprise B. serious C. size D. snacks( )5. A. work B. word C. walk D. world( )6.A.twice a week B. once a weekC. twice a dayD. once a month( )7.A. not serious B. a lot of stories C. out of style D. out of the door( )8.A. write with B. fight with C. five kids D. play with( )9.A. working on the farm B. walking down the streetC. taking photosD. talking on the phone( )10. A.go home B. go to bed C. go out D. go shopping二、请听对话, 选择正确的答案(5分,每小题1分)请听第一段对话,回答第11小题。

( )11.Does the man want to copy other’s homework? _______.A. Yes, he does.B.No,he doesn’t.C. we don’t know.D. No,he didn’t.请听第二段对话,回答第12和第13两个小题。

( )12.What’s the matter with the man? _______.A. He has a headacheB. He has a stomachache.C.He has a toothache.D. He has a sore back.( )13.When can the man come to see the dentist? _______.A. MondayB. ThursdayC. SundayD. Every day请听第三段对话,回答第14和第15两个小题。

( )14. Why does Mr. Smith say sorry ? _______.A. Because he speaks too fast(快).B. Because he speaks too slowly(慢).C. Because he speaks Chinese.D. Because he speaks too well.( )15.Is the woman English?_______.A. Yes, she is.B. No, she isn’t.C. We don’t knowD. I have no idea.三、这一大题共有5小题,在每一小题内,你将听到一个句子,并看到供你选择的4个句子,每个句子读2遍。

请在每一小题A、B、C、D 4个句子中找出1 个句子,该句能正确回答或紧接你所听到的句子。

(5分,每小题1分)( )1.A. They shouldn’t talk. B. We should help each otherC. He shouldn’t eat or drinkD. They should walk( )2.A. I was doing my homework. B. I was watching TV.C. She was washing dishes.D. He was doing some reading( )3. A. I was listening to the music. B. I went to bed.C. He was in the park.D. I made my bed( )4.A. His math teacher said he was hard-working.B. It will be cloudyC. He was tall and thin.D. He is my best friend( )5.A. Because he wanted me to help him with his English.B. He is good at EnglishC. You are lazyD. Because he is a good boy.四、这一大题共有5小题,在每一小题内,你将听到一个句子,并看到供你选择的4个句子,每个句子读2遍。

请在每一小题A、B、C、D 4个句子中找出1 个你所听到的句子的意义最接近的句子。

(5分,每小题1分)( )1.A. Wish you a good time during the holiday.B. I hope that you are happy.C.I hope that your parents will be happy.D.I hope he will be happy.( )2..A. They will have more flowers and trees in a few years.B. Our school will have more trees and flowers.C. There will be more schools in their city in a few years.D. Their school will have more trees and flowers.( )3. A. You should clean your classroom every day.B. You should clean your room on SundayC. You should do your homework better.D. You’d better go to school early.( )4.A.When Tom called me ,I was listening to the music yesterday evening.B. While I was listening to the music, Jack called me last night.C. While Jack was listening to the music, Tom called him yesterday evening.D. While Tom was listening to the music, Jack called him yesterday evening.( )5.A. If you work hard, you will make a lot of money.B. If you have a lot of money, you will have a great time there.C. If you work hard, you will feel tired.D. If you work hard, you will learn more and better.笔试部分(100分)一、单项选择(每小题1分,满分15分)( )1.He_____ if you____ him tomorrow.A. will come; will inviteB. will come ;inviteC. comes; will inviteD. comes ; invite( )2.____50 years what____the world be like?A. On; isB. In ; willC. Before; isD. After; will( )3.His hair style is the same____.A.as meB. with mineC.as mineD. and I( )4.She ____homework when I arrived.A. doesB. is doingC. didD. was doing( )5.She is ___at all the subjects, and she is ____student in her class.A. good; bestB. Well; bestC. good; the bestD. well; the best( )6.If they don’t wear school uniform, the teachers will not ____ .A. let in themB. let them inC. let they enterD. let them to enter( )7.I felt ____when I heard the ____news.A. disappointed; disappointedB. disappointed; disappointingC. disappointing; disappointingD. disappointing ;disappointed( )8. There is___ milk in the glass and there are___ apples on the table.A. a bit; fewB. a little; a fewC. a few; a littleD. few; little( )9. When she finishes ____the stories, I always enjoy ____them.A. writing; to readB. to write; readingC. writing; readingD. to write; to read( )10. A place to live in space is _________.A. a roomB. an apartmentC. a rocketD. a space station( )11 Ten years ago___ only one building in our school. And in 10 years,_______ five buildings in our school.A. there will be, there areB. there was, there areC. there was, there will beD. there will be; there was( )12. They go to work early on workdays _ _ Saturday and Sunday.A. exceptB. besidesC. andD. or( )13 My friends always get better grades than I do. What should I do? _____A. Maybe you should not talk to them anymore.B. Maybe you should ask your parents for help.C. Maybe you should argue with them.D. Maybe you should work harder.( )14.Lily called me ___ Friday morning and told me she was having a birthday party _____ me tomorrow.A. at; forB. on; withC. in; withD. on; for( )15.If you meet troubles or difficulties in your life, you must try to _________the troubles.A. turn overB. get overC. take overD. look over二、完形填空(共20小题,每小题1分;满分20分)(A)Peter called his girlfriend Joan. He said, ―I have two tickets 16 the movie tonight. Please 17 me outside my office. We’ll get 18 to eat and then go to the cinema.‖Joan was 19 .She liked to go to the movies very much. Joan met Peter outside the office. First they had a 20 in a small restaurant and then walked to the cinema. It 21 them half an hour to get there.At the entrance(入口处) Peter took out his wallet to get the tickets, 22 they weren’t in it.”23 they were in your pockets(口袋), said Joan ,they were not there, either.“What’s 24 ?Where are the tickets?‖ asked Joan.Peter thought for a moment. Then he said, ―I remember now. I must 25 them in my office. I’m very sorry, Joan.‖―It doesn’t matter. It’s fun to have a walk with you at night, isn’t it?‖( )16.A.at B. of C. to D. into( )17.A. phone B. drive C. help D. meet( )18.A. something B. anything C. everything D. nothing( )19.A. happy B. sorry C. worried D. right( )20.A. lunch B. dinner C. meal D. breakfast( )21.A. cost B. spent C. took D. paid( )22.A. but B. and C. so D. or( )23.A. May be B. Maybe C. Must D. Will( )24.A. matter B. that C. it D. wrong( )25.A. leave B. forget C. throw(扔)D. lose(B)A generation gap ( 代沟) has become a serious problem. I read a 26 about it in a newspaper. Some children have killed themselves(自杀)after quarrels (争吵)with 27 .I think this is because they don’t often have a talk with each other. Parents now 28 more time in the office, 29 they don’t have much time to stay with their children. As time passes, they both feel they don’t have the 30 topic(话题)to talk about. I want to tell parents to be more time with your 31 , get to know them and 32 them.And for children, show your 33 to your parents. They are people who love you (绿色圃中小学教育网 原文地址/thread-261252-1-1.html)best. So 34 them your thoughts(思想) and opinions. In this way, you 35 have a better understanding of each other.( )26. A. message B. call C. report D. letter( )27. A. friends B. teachers C. classmates D. parents( )28. A spend B. stay C. work D. have( )29. A. because B. if C. but D. so( )30. A. interesting B. same C. true D. good( )31. A. business B. children C. work D. office( )32 A. get on well with B. argue withC. understand(理解/懂)D. love( )33. A. interest B. secret C. trouble D. feelings(情感)( )34.A.tell B. ask C. answer D. say( )35.A. can B. should C. must D. would三、阅读理解(每小题2分;满分40分)(A)If someone asks me: ―Do you like music?‖ I’m sure I will answer him or her: ―Of course, I do,‖ because I think music is an important part of our lives.Different people have different ideas about music. For me, I like rock music because it’s so exciting. And my favorite rock hand, the ―Foxy Ladies‖is one of the most famous rock bands in the world. I also like pop music. My classmate Li Lan loves dance music, because she enjoys dancing. My best friend, Jane, likes jazz music . She thinks jazz is really cool.“I like dance music and rock very much,‖ says my brother, ―because they are amazing.‖But my mother thinks rock is boring. ―I like some relaxing music,‖ she says, That’s why she likes country music, I think.( )36.The writer likes music because he thinks _________. .A.it’s an exciting part of our lives B.it’s an amazing part of our livesC.it’s an important part of our lives D.it’s an interesting part of our lives( )37.What kind of music does the writer like? _________.A.Rock and pop music. B.Rock and dance music.C.Jazz and country music. D.Light and classical music( )38.Who likes dancing? _________.A.The writer. B.Li Lan C.Jane. D.Nobody( )39.The writer’s mother thinks that country music is ____. .A.amazing B.boring C.relaxing D.disappointing七、( )40.How many people’s ideas about music are talked about in this passage(短文)?_________. 更多免费资源下载绿色圃中小学教育网 课件|教案|试卷|无需注册A.4 B.5 C.6 D. 3(B)Swimming is very popular. People like swimming in summer because water makes people feel cool. If you like swimming and swim in a wrong place, it may not be safe. These years, a lot of people died when they were enjoying themselves in the water, and most of them were students. But some people are not careful in swimming. They often think they swim so well that nothing will happen to them in water. Summer is here again. If you go swimming in summer, don't forget that better swimmers have died in water. They died because they were not careful not because they could not swim. So don't get into water when you are alone. If there is a "No Swimming" sign, don't get into water. If you remember these, swimming will be safer.()41. ______ like swimming in summer.A. Few peopleB. A lot of peopleC. Only studentsD. Everybody()42. People like to swim in summer because ______.A. they feel cool in waterB. they are freeC. it makes them strongD. it is safe()43. These years ______ people died in the water when they swam happily.A. fewB. manyC. noD. some()44. Some swimmers die in water because ______.A. they think they can swim wellB. they are not strong enoughC. they are not carefulD. they like swimming very much.()45. The writer wants to tell us ______.A. swimming is a good sportB. that we should go swimming in summerC. that we must be careful in swimmingD. swimming is not safe(C)请看下面广告,然后做题Happy Birthday To Wally Welcome to QuanJiao ZooOur lovely and cute llama in our zoo, Wally will be 5 years old on November e and join us to celebrate(庆祝) his birthday.Grandpa Lin’s Story TimeWhere is Wally from?What is Wally’s favorite food?Is Wally married?(结婚)Want to know more about Wally?Let Grandpa Lin tell you!!The XiangHe Theater Picture DrawingLet’s decorate(装饰) Wall’s home together.Elementary school(小学) students are invited to draw pictures of WallyTime:12:30p.m—2:30p.mPlace: QuanJiao Children’s ParkThe Birthday PartyWally will be happy to see you at his birthday party from 3:00p.m to 5:00p.m at QuanJiao Chil dren’s ParkCome and enjoy cakes,drinks, and music,and take pictures with Wally.Special presents for people who were born on November 14. Best Wishes to WallyWrite down your best wishes for Wally.E-Mail :Wally@QuanJiao ()46. What is “llama”?____A. A zooB. A boyC. An animalD.An important day()47.Ted’s family visited QuanJiao Zoo on November 14. In his family, who could get a special present from the zoo?___A. Ted.He drew a picture of Wally at the QuanJiao Children’s ParkB. Ted’s brother. He sent an E –mail to QuanJiao ZooC.Ted’s mother. She helped to make cakes for Wally’s party.D.Ted’s father. He and Wall’s have the same birthday.()48. If Lucy learned a lot about Wally’s life and history on November. Which activity did she would join?_______A. Grandpa Lin’s Story TimeB. Picture DrawingC. The Birthday PartyD. Best Wishes to Wally()49. What does Wally like to eat?___.A. Cakes B .Eggs C. Meat D. We don’t know()50.When could Wally see you? _______.A. 10:30a.m-11:30a.mB. 12:30p.m -2:30p.mC.3:00p.m -5:00p.mD.I have no idea.(D)Life in 21st century(世纪)will be different from the life in the 20th century , because many changes will take place in the century, but what will the change be?The population(人口) is growing fast. There will be more and more people in the world and most of them will live longer than before .Computers will be much smaller and useful, and there will be at least(至少) one in every family. And computer studies will be one of the most important subjects in school.People will work fewer hours than they did in 20th century. They will have more free time for sports , watching TV and traveling. Traveling will be much cheaper and easier. And more people will go to other countries for their holidays.There will be changes in food , too. More farmland(农田) will be used for (被用做)building towns and houses. Then there will be less room to feed cows(奶牛)and sheep( 羊),so meat will be more expensive. Maybe nobody will eat it every day ,instead they have to eat more fruit and vegetables. Many people will be healthier.Working in the future will be different , too. Robots will do dangerous and hard work. Because of this , many people will not have enough work to do. This will be a problem.()51.People will not have as much ___as they did in the 20th century.A. fruitB. milkC. breadD. meat()52.In the 21th people don’t have to _____.A. travelB. work fastC. work long hoursD. eat meat()53.Travelling will be ______in the future.A. less interestingB. more difficultC. more expensiveD. much cheaper and easier()54.In the 21th century there will be ___A. more cows and sheepB. more peopleC. fewer peopleD. less buildings and houses()55.Every family will have at least one ____in 21th century.A. computerB. Mobile Phone and TV setC. DVDD. robot四、对话配对.从序号a-g中选择适当的句子补全对话,有二个是多余的。

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