黑龙江省哈尔滨香坊区五校联考2018-2019学年七下英语期末模拟试卷+(8套模拟试卷)
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2018-2019学年七下期末抽测模拟试题学校:___________姓名:___________班级:___________考号:___________一、单选题1.在实数10.210.7010728,,,中,其中无理数的个数为( )A .1B .2C .3D .42.4 的平方根是( ) A .2B .-2C .±2D .±43.已知a <b ,则下列不等式中不正确的是( ) A .5a <5bB .a +5<b +5C .a ﹣5<b ﹣5D .﹣5a <﹣5b4.下列各式,属于二元一次方程的个数有( ). ①27xy x y +-=;②41x x y +=-;③15y x+=;④x y =;⑤222x y -=;⑥62x y -. A .1B .2C .3D .45.下图中由∠1=∠2能得到AB ∥CD 的是( )A .B .C .D .6.下列调查中,适合采用全面调查的事件是( ) A .国家旅游局调查国民对“五一”期间出行旅游的满意程度 B .了解湖南卫视“我是歌手”总决赛在全国的收视率 C .调查重庆市初2015级学生的心理健康状况D .调查你班上的同学是否计划在暑假期间参与社会实践活动7.将直尺和直角三角板按如图方式摆放,已知∠1=30°,则∠2的大小是( )A .30°B .45°C .60°D .65°8.小明在超市帮妈妈买回一袋纸杯,他把纸杯整齐地叠放在一起,如图请你根据图中的信息,若小明把100个纸杯整齐叠放在一起时,它的高度约是( )A .106cmB .110cmC .114cmD .116cm9.把不等式组x 311x 12-<-⎧⎪⎨-≤⎪⎩的解集表示在数轴上,正确的是( )A .B .C .D .10.我国古典数学文献《增删算法统宗·六均输》中这样一道题:甲、乙两人一同放牧,两人暗地里数羊,如果乙给甲9只羊,则甲的羊数为乙的两倍;如果甲给乙9只羊,则两人的羊数相同,设甲有羊x 只,乙有羊y 只,根据题意,可列方程组为( ) A .92(9)99x y x y -=+⎧⎨-=+⎩ B .2(9)999x y x y +=-⎧⎨-=+⎩ C .92(9)99x y x y +=-⎧⎨-=+⎩ D .92(9)99x y x y -=+⎧⎨+=-⎩11.若方程组31331x y a x y a +=+⎧⎨+=-⎩的解满足x +y =0,则a 的值为( )A .﹣1B .1C .0D .无法确定12.若关于x 的方程4(2﹣x )+x=ax 的解为正整数,且关于x 的不等式组12260x x a x -⎧+>⎪⎨⎪-≤⎩ 有解,则满足条件的所有整数a 的值之和是( ) A .4 B .0 C .﹣1 D .﹣3二、填空题13.点P 在第四象限,到x 轴的距离为3,到y 轴的距离为2,则P 点坐标为________.14.若4b =,则ab 的平方根是__________________.15.一组数据经整理后分成四组,第一,二,三小组的频率分别为0.1,0.3,0.4,第一小组的频数是5,那么第四小组的频数是________.16.若点P (1﹣m ,m )在第一象限,则(m ﹣1)x >1﹣m 的解集为_____. 17.如图,已知,=____________18.已知关于x ,y 的二元一次方程组111222a x b y c a x b y c +=⎧⎨+=⎩的解为34x y =⎧⎨=⎩,则关于x ,y 的方程组1112223434a x b y c a x b y c -=⎧⎨-=⎩的解为_____.三、解答题19.解方程组或不等式 (1)3421x y x y +=⎧⎨-=⎩①② (2)431132x x +-->20.计算: (1)()2320181122⎛⎫-+-⎪⎝⎭(2321.在读书月活动中,学校准备购买一批课外读物.为使课外读物满足同学们的需求,学校就“我最喜爱的课外读物”从文学、艺术、科普和其他四个类别进行了抽样调查(每位同学只选一类),如图是根 据调查结果绘制的两幅不完整的统计图.请你根据统计图提供的信息,解答下列问题: (1)本次调查中,一共调查了 名同学; (2)条形统计图中,m= ,n= ;(3)扇形统计图中,艺术类读物所在扇形的圆心角是 度;(4)学校计划购买课外读物6000册,请根据样本数据,估计学校购买其他类读物多少册比较合理?22.已知:A (0,1),B (2,0),C (4,3) (1)在坐标系中描出各点,画出三角形ABC ;(2)若三角形ABC 内有一点P (x ,y )经平移后对应点为P 1(3x -,4y -),将三角形ABC 作同样的平移得到三角形A 1B 1C 1,画出平移后的三角形A 1B 1C 1,并直接写出点A 1,B 1,C 1的坐标; (3)求三角形ABC 的面积.23.如图,EF ⊥AC 于点F ,DB ⊥AC 于点M ,∠1=∠2,∠3=∠C ,请问AB 与MN 平行吗?说明理由.完成下列推理过程:解:AB ∥MN .理由如下: ∵EF ⊥AC ,DB ⊥AC ,(已知), ∴∠CFE =∠CMD =90°,( ) ∴EF ∥DM ,( ) ∴∠2=∠CDM ,( ) ∵∠1=∠2,(已知),∴∠1=∠ ( ) ∴MN ∥CD ,( ) ∵∠3=∠C ,(已知), ∴AB ∥CD ,( ), ∴AB ∥MN .( )24.对于x ,y 定义一种新运算△,规定:x y ax by ∆=+(其中a ,b 均为非零常数),例如:10a ∆=,已知113∆=,111-∆=-. (1)求a ,b 的值;(2)在(1)的条件下,若关于x ,y 的方程组21ax by max by m +=⎧⎨-=+⎩的解满足1x y +<-,求m 的取值范围.25.某工厂为了扩大生产,决定购买6台机器用于生产零件,现有甲、乙两种机器可供选择,其中甲型机器每日生产零件106个,乙型机器每日生产零件60个,经调查,购买3台甲型机器和2台乙机器共需31万元,购买一台甲型机器比购买一台乙型机器多2万元.(1)求甲、乙两种机器每台各多少万元?(2)如果工厂购买机器的预算资金不超过34万元,那么该工厂有几种购买方案?(3)在(2)的条件下,如果该工厂购进的6台机器的日产量能力不能低于380个,那么为了节约资金,应选择那种方案?26.如图1,已知直线PQ∥MN,点A在直线PQ上,点C、D在直线MN上,连接AC、AD,∠PAC=50°,∠ADC=30°,AE平分∠PAD,CE平分∠ACD,AE与CE相交于点E.(1)若将图1中的线段AD沿MN向右平移到A1D1如图2所示位置,此时A1E平分∠AA1D1,CE平分∠ACD1,A1E与CE相交于E,∠PAC=50°,∠A1D1C=30°,求∠A1EC的度数.(2)若将图1中的线段AD沿MN向左平移到A1D1如图3所示位置,其他条件与(1)相同,求此时∠A1EC 的度数.参考答案1.B2.C3.D4.B5.D6.D7.C8.A9.A10.C11.A12.D13.(2,﹣3)14.2或-215.10;16.x<﹣117.08518.416xy=⎧⎨=-⎩19.(1)11xy=⎧⎨=⎩;(2)57x<.20.(1)-34;(2)3 21.解:(1)200.(2)40;60.(3)72.(4)学校购买其他类读物900册比较合理.22.(1)图见解析;(2)图见解析,A1(33--,),B1(14--,),C1(11-,);(3)三角形ABC的面积为4.23.垂直的定义;同位角相等,两直线平行;两直线平行,同位角相等;CDM;等量代换;内错角相等,两直线平行;内错角相等,两直线平行;平行于同一直线的两条直线平行.24.(1)2a=,1b=;(2)54m<-25.(1)甲种机器每台7万元,乙种机器每台5万元;(2)有三种购买方案:①购买甲种机器0台,乙种机器6台,②购买甲种机器1台,乙种机器5台,③购买甲种机器2台,乙种机器4台;(3)②购买甲种机器1台,乙种机器5台该方案符合要求.26.(1)130°;(2)40°.参考答案1.B 【解析】 【分析】根据无理数的定义进行分析解答即可. 【详解】在实数10.210.7010728π,,,中,属于无理数的有:?2π,,共2个. 故选B. 【点睛】熟悉“无理数的定义:无限不循环小数叫做无理数和无理数的常见表现形式”是解答本题的关键. 2.C 【解析】 【分析】根据平方根的定义,求数a 的平方根,也就是求一个数x ,使得x 2=a ,则x 就是a 的平方根,由此即可解决问题. 【详解】解:2(2)4±=,则4的平方根是2±, 故选择:C. 【点睛】本题考查了平方根的定义.注意一个正数有两个平方根,它们互为相反数;0的平方根是0;负数没有平方根. 3.D 【解析】 【分析】根据不等式的性质逐一进行分析即可得. 【详解】 ∵a <b ,∴5a <5b ,故选项A 不合题意; a +5<b +5,故选项B 不合题意; a ﹣5<b ﹣5,故选项C 不合题意; ﹣5a >﹣5b ,故选项D 符合题意, 故选D . 【点睛】本题考查了不等式的基本性质,熟练掌握不等式的基本性质是解题的关键. 4.B 【解析】根据二元一次方程的概念,可知:①27xy x y +-=是二元二次方程,故不是;③15y x+=不是整式方程,故不是;⑤222x y -=是二元二次方程,故不是;⑥62x y -不是方程,故不是.②④是二元一次方程,故个数为2. 故选B. 5.D 【解析】 【分析】在复杂的图形中具有相等关系的两角首先要判断它们是否是同位角或内错角,被判断平行的两直线是否由“三线八角”而产生的被截直线. 【详解】A.∠1=∠2得到AD ∥BC ,故错误;B. ∠1=∠2不能得到平行关系,故错误;C. ∠1=∠2得到AD ∥BC ,故错误;D. 如图,∠2=∠3=∠1,得到AB ∥CD ,正确 故选:D .【点睛】正确识别“三线八角”中的同位角、内错角、同旁内角是正确答题的关键,不能遇到相等或互补关系的角就误认为具有平行关系,只有同位角相等、内错角相等、同旁内角互补,才能推出两被截直线平行.6.D【解析】【分析】根据“全面调查和抽样调查的特点”结合“各选项中所涉及的具体事件”进行分析判断即可.【详解】A选项中,“国家旅游局调查国民对‘五一’期间出行旅游的满意程度”适合使用抽样调查;B选项中,“了解湖南卫视‘我是歌手’总决赛在全国的收视率”适合使用抽样调查;C选项中,“调查重庆市初2015级学生的心理健康状况”适合使用抽样调查;D选项中,“调查你班上的同学是否计划在暑假期间参与社会实践活动”适合使用全面调查. 故选D.【点睛】熟知“全面调查和抽样调查各自的优缺点及它们的适用范围”是解答本题的关键.7.C【解析】【分析】如下图,先求出∠3的大小,然后根据平行的关系,得出∠2的大小.【详解】如下图∵三角形是直角三角形,且∠1=30°∴∠3=60°∴∠2=∠3=60°故选:C .【点睛】本题考查平行线的性质,解题关键是先根据直角,推导得出∠3的大小.8.A【解析】【分析】通过观察图形,可知题中有两个等量关系:单独一个纸杯的高度加上3个纸杯叠放在一起高出单独一个纸杯的高度等于9,单独一个纸杯的高度加上8个纸杯叠放在一起高出单独一个纸杯的高度等于14.根据这两个等量关系,可列出方程组,再求解.【详解】解:设每两个纸杯叠放在一起比单独的一个纸杯增高xcm ,单独一个纸杯的高度为ycm , 则29714x y x y +=⎧⎨+=⎩,解得17x y =⎧⎨=⎩则99x +y =99×1+7=106即把100个纸杯整齐的叠放在一起时的高度约是106cm .故选:A .【点睛】本题以实物图形为题目主干,图形形象直观,直接反映了物体的数量关系,这是近年来比较流行的一种命题形式,主要考查信息的收集、处理能力.本题易错点是误把9cm 当作3个纸杯的高度,把14cm 当作8个纸杯的高度.9.A【解析】【分析】先求出不等式组中每一个不等式的解集,然后把不等式的解集表示在数轴上即可.【详解】x 311x 12-<-⎧⎪⎨-≤⎪⎩①② 解①得 x <2,解②得x 1≥-,在数轴上表示如图:,故选A.【点睛】本题主要考查解一元一次不等式组及解集的数轴表示,正确求出每一个不等式解集是基础,要注意端点是“实心”还是“空心.10.C【解析】【分析】设甲放x 只羊,乙放y 只羊,根据“如果乙给甲9只羊,则甲的羊数量为乙的两倍;如果甲给乙9只羊,则两人的羊数量相同”列出方程组解答即可.【详解】解:设甲放x 只羊,乙放y 只羊,由题意得 92(9)99x y x y +=-⎧⎨-=+⎩, 故选C .【点睛】此题考查二元一次方程组的实际运用,根据数量的变化,找出题目蕴含的数量关系是解决问题的关键11.A【解析】试题解析:方程组两方程相加得:4(x+y )=2+2a ,即x+y=12(1+a ), 由x+y=0,得到12(1+a )=0, 解得:a=-1.故选A .12.D【解析】【分析】先求出方程的解x= 83a +,根据方程的解为正整数求出a 的值,再根据不等式组有解得出a <1,得出a 的值,即可得出选项.【详解】解:4(2﹣x )+x=ax ,8﹣4x+x=ax ,ax ﹣x+4x=8,(a+3)x=8, x=83a +, ∵关于x 的方程4(2﹣x )+x=ax 的解为正整数,∴a+3=1或a+3=2或a+3=4或a+3=8,解得:a=﹣2或a=﹣1或a=1或a=5;12260x x a x -⎧+>⎪⎨⎪-≤⎩①②解不等式①得:x <1,解不等式②得:x≥a ,∵关于x 的不等式组12260x x a x -⎧+>⎪⎨⎪-≤⎩有解,∴a <1,∴a 只能为﹣1和﹣2,﹣1+(﹣2)=﹣3,故选D .【点睛】考查了解一元一次方程、解一元一次不等式和解一元一次不等式组等知识点,能得出a 的取值范围和a 的值是解此题的关键.13.(2,﹣3)【解析】【分析】根据第四象限的点的横坐标是正数,纵坐标是负数,点到x轴的距离等于纵坐标的长度,到y轴的距离等于横坐标的长度解答.【详解】解:∵点P在第四象限,到x轴的距离为3,到y轴的距离为2,∴点P的横坐标为2,纵坐标为-3,∴点P的坐标为(2,﹣3).故答案为: (2,﹣3).【点睛】本题考查了各象限内点的坐标的符号特征,记住各象限内点的坐标的符号是解决的关键,四个象限的符号特点分别是:第一象限(+,+);第二象限(-,+);第三象限(-,-);第四象限(+,-).14.2或-2【解析】∵4b=,∴1010aa-≥⎧⎨-≥⎩,∴a=1,∴b=0+0+4=4,∴ab=4,∴ab的平方根是2=±. 15.10;【解析】【详解】解:根据题意,得第四小组的频率是1−0.1−0.3−0.4=0.2,因为它是第一组的2倍,故频数也是第一组的2倍,即10.故答案为10.16.x<﹣1【解析】【分析】第一象限的点的横坐标大于0,纵坐标大于0,得到1−m>0,则m−1<0,解这个不等式就是不等式左右两边同时除以m−1,不等号的方向改变.【详解】解:∵点P(1﹣m,m)在第一象限,∴1﹣m>0,即m﹣1<0;不等式(m﹣1)x>1﹣m,不等式两边同时除以m﹣1,得:x<﹣1,故答案为:x<﹣1.【点睛】本题考查了第一象限内点的坐标特征,不等式的性质,解不等式,系数化为1的过程中,一定要先判断两边所除的式子的符号.17.085【解析】试题解析:如图,过E点作EF∥AB,∵AB∥CD∴EF∥AB∥CD∴∠ABE+∠FEB=180°∠DCE=∠FEC∵∠ABE=120°, ∠DCE=25°∴∠BEF=60°∠FEC=25°∴∠a=60°+25°=85°18.416x y =⎧⎨=-⎩【解析】【分析】利用换元法解二元一次方程组即可.【详解】将方程组1112223434a x b y c a x b y c -=⎧⎨-=⎩变形为11122231443144a x b y c a x b y c ⎧-=⎪⎪⎨⎪-=⎪⎩ 令31,44s x t y ==- 则方程组11122231443144a x b y c a x b y c ⎧-=⎪⎪⎨⎪-=⎪⎩可变形为111222a s b t c a s b t c +=⎧⎨+=⎩ 由题意得:34s t =⎧⎨=⎩ 334144x y ⎧=⎪⎪∴⎨⎪-=⎪⎩ 解得:416x y =⎧⎨=-⎩ 则方程组1112223434a x b y c a x b y c -=⎧⎨-=⎩的解为416x y =⎧⎨=-⎩ 故答案为:416x y =⎧⎨=-⎩. 【点睛】本题考查了利用换元法解二元一次方程组,主要解法包括:加减消元法、代入消元法、换元法等,掌握解法是解题关键.19.(1)11x y =⎧⎨=⎩;(2)57x <. 【解析】【分析】(1)用加减消元法求解即可;(2)去分母、去括号,移项、合并同类项,系数化成1即可求解.【详解】解:(1)3421x y x y +=⎧⎨-=⎩①②, ①+②,得5x=5,解得,x=1,把x=1代入①中,得y=1,故原方程组的解是:11x y =⎧⎨=⎩; (2)去分母,得:2(4)3(31)6x x +-->,去括号,得:28936x x +-+>,移项,得:29683x x ->--合并同类项,得:75x ->-, 则57x <. 【点睛】本题考查解二元一次方程组、一元一次不等式,熟练的掌握运算规则为解题的关键. 20.(1)-34;(2)3【解析】【分析】(1)利用乘方、立方、二次根式、开立方等概念分别化简每项,再整理计算即可; (2)利用绝对值的意义化简每一项,再整理计算即可.【详解】解:(1)()2320181122⎛⎫-+- ⎪⎝⎭ ()()118444=-+-⨯+-⨯()1321=--+-=-34;(233=-+-+-3=【点睛】此题考查了有理数的混合运算,以及实数的运算,熟练掌握运算法则是解本题的关键. 21.解:(1)200.(2) 40;60.(3)72.(4)学校购买其他类读物900册比较合理.【解析】【分析】【详解】(1)∵从条形图得出文学类人数为:70,从扇形图得出文学类所占百分比为:35%, ∴本次调查中,一共调查了:70÷35%=200人.(2)∵从扇形图得出科普类所占百分比为:30%,∴科普类人数为:n=200×30%=60人, 艺术类人数为:m=200﹣70﹣30﹣60=40人.(3)根据艺术类读物所在扇形的圆心角是:40÷200×360°=72°. (4)根据喜欢其他类读物人数所占的百分比为30=15%200, 则6000册中其他读物的数量:600015%=900⨯ (本).22.(1)图见解析;(2)图见解析,A 1(33--,),B 1(14--,),C 1(11-,);(3)三角形ABC 的面积为4.【解析】【分析】(1)将A (0,1),B (2,0),C (4,3)描入平面直角坐标系中,并连线即可;(2)根据点P 的平移得出△ABC 的平移方向,根据点平移的坐标规律写出点A 1,B 1,C 1的坐标;(3)利用补形法,将三角形放入一个矩形内,三角形的面积等于矩形的面积减去多余三角形的面积.【详解】解:(1)如图所示:(2)∵点P (x ,y )经平移后对应点为P 1(3x -,4y -),∴点P 向左平移了3个单位,向下平移了4个单位,∴A 1(33--,),B 1(14--,),C 1(11-,)平移后的三角形A 1B 1C 1如图所示:(3)三角形ABC 的面积为:11143212423121434222⨯-⨯⨯-⨯⨯-⨯⨯=---=, 故三角形ABC 的面积为4.【点睛】 本题考查了坐标与图形的变化,解题的关键是掌握平移后点的变化规律.23.垂直的定义;同位角相等,两直线平行;两直线平行,同位角相等;CDM ;等量代换;内错角相等,两直线平行;内错角相等,两直线平行;平行于同一直线的两条直线平行.【解析】【分析】根据平行线的性质定理及判定定理即可解答.【详解】解:AB ∥MN .理由如下:∵EF ⊥AC ,DB ⊥AC ,(已知),∴∠CFE =∠CMD =90°,(垂直的定义)∴EF ∥DM ,(同位角相等,两直线平行)∴∠2=∠CDM ,(两直线平行,同位角相等)∵∠1=∠2,(已知),∴∠1=∠CDM (等量代换)∴MN ∥CD ,(内错角相等,两直线平行)∵∠3=∠C ,(已知),∴AB ∥CD ,(内错角相等,两直线平行),∴AB ∥MN .(平行于同一直线的两条直线平行)故答案为:垂直的定义;同位角相等,两直线平行;两直线平行,同位角相等;CDM ;等量代换;内错角相等,两直线平行;内错角相等,两直线平行;平行于同一直线的两条直线平行.【点睛】本题考查平行线的性质定理及判定定理,灵活运用平行线的性质定理及判定定理是解题的关键.24.(1)2a =,1b =;(2)54m <-【解析】【分析】(1)利用题中新定义,化简已知的两式,得到关于a ,b 的方程组,求出方程组的解即得到a ,b 的值;(2)将a ,b 的值代入方程组,解出x,y ,表达出1x y +<-,得到关于m 的一元一次不等式,即可求出m 的取值范围.【详解】解:(1)根据题意得31a b a b +=⎧⎨-+=-⎩, 解得2a =,1b =;(2)将2a =,1b =代入方程组得:241x y m x y m +=⎧⎨-=+⎩, 解得21613m x m y +⎧=⎪⎪⎨-⎪=⎪⎩, 又∵1x y +<- ∴211163m m +-+<-, 解得54m <- ∴m 的取值范围为54m <-【点睛】本题属于新定义类问题,考查了二元一次方程组的解法,明确新定义,掌握二元一次方程组的解法是解题的关键.25.(1)甲种机器每台7万元,乙种机器每台5万元;(2)有三种购买方案: ①购买甲种机器0台,乙种机器6台,②购买甲种机器1台,乙种机器5台,③购买甲种机器2台,乙种机器4台;(3)②购买甲种机器1台,乙种机器5台该方案符合要求.【解析】【分析】(1)设甲种机器每台x 万元,乙种机器每台y 万元,列出方程组即可解决问题. (2)设购买甲种机器a 台,乙种机器(6-a )台,构建不等式解决问题.(3)分别求出各种方案的费用,日产量能力即可解决问题.【详解】解:(1)设甲种机器每台x 万元,乙种机器每台y 万元,由题意得:32312x yx y+=⎧⎨-=⎩,解得:75xy=⎧⎨=⎩,答:甲种机器每台7万元,乙种机器每台5万元;(2)设购买甲种机器a台,乙种机器(6-a)台,由题意7a+5(6-a)≤34,解得a≤2,∵a是整数,a≥0∴a=0或1或2,∴有三种购买方案:①方案购买甲种机器0台,乙种机器6台,②方案购买甲种机器1台,乙种机器5台,③方案购买甲种机器2台,乙种机器4台;(3)①方案费用6×5=30万元,日产量能力360个,②方案费用7+5×5=32万元,日产量能力406个,③方案费用为2×7+4×5=34万元,日产量能力452个,综上所述,②方案购买甲种机器1台,乙种机器5台满足条件.【点睛】本题考查二元一次方程组应用,解题的关键是正确构建方程组解决实际问题,属于中考常考题型.26.(1)130°;(2)40°.【解析】【分析】(1)直接利用角平分线的性质结合平行线的性质得出∠CAE以及∠ECA的度数,进而得出答案;(2)直接利用角平分线的性质结合平行线的性质得出∠1和∠2的度数,进而得出答案.【详解】解:(1)如图所示:∵∠A1D1C=30°,线段AD沿MN向右平移到A1D1,PQ∥MN,∴∠QA1D1=30°,∴∠PA1D1=150°,∵A1E平分∠AA1D1,∴∠PA1E=∠EA1D1=75°,∵∠PAC=50°,PQ∥MN,∴∠CAQ=130°,∠ACN=50°,∵CE平分∠ACD1,∴∠ACE=25°,∴∠A1EC =360°-25°-130°-75°=130°;(2)如图所示:过点E作FE∥PQ,∵∠A1D1C=30°,线段AD沿MN向左平移到A1D1,PQ∥MN,∴∠QA1D1=30°,∵A1E平分∠AA1D1,∴∠QA1E=∠2=15°,∵∠PAC=50°,PQ∥MN,∴∠ACN=50°,∵CE平分∠ACD1,∴∠ACE=∠ECN=∠1=25°,∴∠A1EC =∠1+∠2=15°+25°=40°.【点睛】此题主要考查了角平分线的定义以及平行线的性质等知识,正确应用平行线的性质是解题关键.。
2018-2019学年黑龙江省哈尔滨市香坊区七年级(下)期末数学试卷一、选择题1. 36的算术平方根是A. 6B. -6C. ±6D.【答案】A【解析】,故选A62.通过平移,可将如图中的福娃“欢欢”移动到图()A. B. C. D.【答案】C【解析】试题分析:平移是指在平面内,将一个图形上的所有点都按照某个方向作相同距离的移动,这样的图形运动叫做图形的平移运动,简称平移。
平移不改变物体的形状和大小。
平移可以不是水平的。
A、属于图形旋转所得到,故错误;B、属于图形旋转所得到,故错误;C、图形形状大小没有改变,符合平移性质,故正确;D、属于图形旋转所得到,故错误.考点:图形与变换(平移和旋转)点评:本题考查了生活中图形的平移,图形的平移只改变图形的位置,而不改变图形的形状和大小,学生易混淆图形的平移与旋转或翻转.3.在平面直角坐标系中,点(2018,)所在的象限是()A. 第一象限B. 第二象限C. 第三象限D. 第四象限【答案】D【解析】【分析】根据各象限内的坐标的特征解题即可【详解】解:点(2018,故选:D .【点睛】本题考查各象限内的坐标的特征,掌握基础知识是本题关键4.在实数227,0.1010010001…-π )A. 1个B. 2个C. 3个D. 4个【答案】C【解析】【分析】利用无理数定义,无理数是无线不循环小数,直接判断即可,在实数227,0.1010010001…,-π0.1010010001…,-π,共3个.故选:C .【点睛】本题考查无理数定义,基础知识扎实是解题关键5.已知a =b ,下列等式不一定成立的是( )A. a+c =b+cB. c ﹣a =c ﹣bC. ac =bcD. abc c【答案】D【解析】【分析】根据等式的基本性质逐一判断可得【详解】A 、由a =b 知a+c =b+c ,此选项一定成立;B 、由a =b 知c ﹣a =c ﹣b ,此选项一定成立;C 、由a =b 知ac =bc ,此选项一定成立;D 、由a =b 知当c =0 时a b c c=无意义,此选项不一定成立; 故选:D 【点睛】本题主要考查了等式的基本性质,等式性质:1、等式的两边同时加上或减去同一个数或字母,等式仍成立;2、等式的两边同时乘以或除以同一个不为0数或字母,等式仍成立.6.如图所示,点E 在AC 的延长线上,下列条件中能判断AB∥CD 的是( )A. 3A ∠∠=B. 12∠∠=C. D DCE ∠∠=D. D ACD 180∠∠+=【答案】B【解析】【分析】根据平行线的判定分别进行分析可得答案.【详解】A 、∠3=∠A ,无法得到,AB ∥CD ,故此选项错误;B 、∠1=∠2,根据内错角相等,两直线平行可得:AB ∥CD ,故此选项正确;C 、∠D =∠DCE ,根据内错角相等,两直线平行可得:BD ∥AC ,故此选项错误;D 、∠D +∠ACD =180°,根据同旁内角互补,两直线平行可得:BD ∥AC ,故此选项错误;故选:B .【点睛】此题主要考查了平行线的判定,关键是掌握平行线的判定定理.平行线的判定方法:①两同位角相等,两直线平行; ②内错角相等,两直线平行;③同旁内角互补,两直线平行;④平行于同一直线的两条直线互相平行;同一平面内,垂直于同一直线的两条直线互相平行.7. 已知关于x 的方程2x+a-9=0的解是x=2,则a 的值为A. 2B. 3C. 4D. 5【答案】D【解析】∵方程2x +a ﹣9=0的解是x =2,∴2×2+a ﹣9=0,解得a =5.故选:D .8.一架飞机在两城间飞行,顺风航行要5.5小时,逆风航行要6小时,风速为24千米/时,设飞机无风时的速度为每小时x 千米,则下列方程正确是( )A. ()()5.524624x x -=+B. 24245.56x x -+=C. ()()5.524624x x +=-D. 2245.56 5.5x x =-+ 【答案】C【解析】【分析】设飞机在无风时的飞行速度为x 千米/时,则飞机顺风飞行的速度为(x+24)千米/时,逆风飞行的速度为 (x-24)千米/时,列出方程5.5•(x+24)=6(x-24)即可【详解】解:设飞机在无风时的飞行速度为x 千米/时,则飞机顺风飞行的速度为(x+24)千米/时,逆风飞行的速度为 (x-24)千米/时,根据题意得5.5•(x+24)=6(x-24).故选:C .【点睛】本题考查一元一次方程的简单应用,本题关键在于能够弄清楚顺风速度、逆风速度、飞行速度三者的关系9.直角三角板与两边平行的纸条如图所示放置,下列结论不一定正确的是( )A. 12∠=∠B. 34∠=∠C. 2490∠+∠=D. 14∠=∠ 【答案】D【解析】【分析】 直接利用平行线性质解题即可 【详解】解:∵直尺的两边互相平行, ∴∠1=∠2,∠3=∠4, ∵三角板的直角顶点在直尺上,∴∠2+∠4=90°,∴A,B,C正确.故选:D.【点睛】本题考查平行线的基本性质,基础知识扎实是解题关键10.下列说法:①相等的角是对顶角;②同位角相等;③无限小数都是无理数;④有理数与数轴上的点一一对应.其中正确的个数有()A. 0个B. 1个C. 2个D. 3个【答案】A【解析】【分析】利用对顶角、同位角、无理数、数轴等相关概念一一判断即可【详解】解:如图:∠1=∠2=90°,但∠1和∠2不是对顶角,故①错误;只有两条平行线被第三条直线所截的同位角才相等,故②错误;无限不循环小数才是无理数,故③错误;只有实数和数轴上的点能建立一一对应关系,数轴上的点也可以表示无理数,故④错误;即正确的个数是0个,故选:A.【点睛】本题考查简单几何概念和无理数定义,解题关键在于基础知识牢固二、填空题11.如图,计划把水从河中引到水池A中,先过点A作AB⊥CD,垂足为点B,然后沿AB开渠,能使所开的渠道最短,这样设计的依据是_____.【答案】连接直线外一点与直线上所有点的连线中,垂线段最短.【解析】垂线段最短在实际生活中有着广泛的用途_____.【答案】【解析】的相反数是.13.已知等式2530m x ++= 是关于x 的一元一次方程,则m=____________。
七年级下学期英语期末模拟试卷含答案注意事项:1. 答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。
2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。
3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。
4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。
二.选择填空:从下列各小题的四个选项中,选出一个可以填入空白处的最佳答案。
(共30小题,计30分)21. —________ you play chess?—Yes, I can.A. AreB. DoC. DidD. Can22. —What about ________ shopping on Sunday?—Good idea!A. goB. goesC. goingD. to go23. Does Simon ________ after school?A. walk homeB. walk to homeC. go to home on footD. go home on feet24. —________ is the park?—It’s on the right of the school.A. WhereB. WhatC. WhyD. How25. —What does he want to be?—He wants to be a teacher, and he hopes his dream can______.A. cut upB. get upC. e outD. e true26. —Do we need to buy some vegetables?—Yes. Let’s buy some ________.A. chicken and carrotsB. cakes and applesC. tomatoes and carrotsD. noodles and pancake27. —Sorry,I’ m late,te acher Wang.—Jack, ________ late for school again.A. isn’tB. aren’tC. don’t beD. not be28. —What do you think of sleeping outside at night?—________. I like it.A. That sounds terribleB. It’s darkC. It sounds excitingD. It’s interested29. He had to help his parents ________ on the farm on weekends.A. workB. workingC. worksD. worked30. —Does your son often have a good time ________ Friday night?—No. My husband often makes him ________ a lot of homework.A.on; doesB.in; doC.on; doD. in; to do31. —John, how do you like the game?—Very exciting, but it ________ me a lot of time.A. wantsB. spendsC. paysD. takes32. —The party is beginning. Where is Lucy now?—Oh, she can’t e. S he ________ for a test at home.A. studiesB. studyC. studiedD. is studying33. —Did Peter ________ to the movies?—No, he went swimming.A. goesB. goC. goingD. went34. Pandas are ________ cute animals, and they are also ________ clever.A. a kind of; kind ofB. kind of; a kind ofC. kind of; kind ofD. a kind of; a kind of35. The students usually need ________ sleep a night.A. eight hoursB. eight-hoursC. eight-hourD. eight hour36. —I d on’t like mutton ________ beef.—I don’t like mutton, ________ I like beef a lot.A. and; butB. and; andC. or; butD. or; and37. It’s 11 o’clock. Please ________ our lunch.A. orderingB. orderC. to orderD. orders38. —________?—He has big eyes and a small nose.A. What does he look likeB. What does he d oC. How old is heD. How is he39. Many people don’t like winter because they don’t like ________.A. cold weatherB. a cold weatherC. weather coldD. cold weathers40. —Don’t eat in class, Hu Lei!—________, Miss Zhang.A. Excuse meB. OKC. YesD. Sorry41.He is sitting _______________ Tina. So Tina can’t see the blackboard at all.A. behindB. in front ofC. besideD. next to42. —Are these your books?—Yes, they are _______________, and this one is _______________.A. ours;hisB. mine;herC. ours;yourD. mine;your43. All the students are talking and laughing in the classroom and it’s _______________.A. noisyB. quietC. strictD. excited44. —The fish tastes _______________, and we have eaten it up.—My mother is a good cook. She cooks very _______________.A. good;wellB. well;goodC. well;wellD. good;good45. .—What did you do last Friday?—Tim played______soccer and I played______piano.A. the, theB. the, /C. /,theD. a, the46. —It’s Friday today. We have Chinese. Do you like it?—No. I think it’s difficult _______________ Bob thinks it’s interesting.A. andB. soC. butD. then47. —Did you hear the news about the fire in our building?—Yes. It took the firemen two hours to _______________ the fire.A. put outB. put upC. put downD. put off48. Why not _______________ your friends for help when you are in trouble?A. askB. to askC. asksD. asking49. —Who’s that speaking?—_______________.A. This is Jack speakingB. I am speakingC. Jack is meD. I am Jack50. —Did you e here by bus or by car?—_______________A. I came here by bus.B. I didn’t e here by bus.21C. Yes, I came here by bus.D. No, I didn’t.三、完形填空:先阅读短文,然后从每小题的四个选项中选出一个可以填入短文中相应空白处的最佳答案。
江苏省南京江北新区七校联考2018-2019学年七下英语《8套合集》期末模拟试卷七年级下学期英语期末模拟试卷含答案注意事项:1. 答题前,考⽣先将⾃⼰的姓名、准考证号填写清楚,将条形码准确粘贴在考⽣信息条形码粘贴区。
2.选择题必须使⽤2B铅笔填涂;⾮选择题必须使⽤0.5毫⽶⿊⾊字迹的签字笔书写,字体⼯整、笔迹清楚。
3.请按照题号顺序在各题⽬的答题区域内作答,超出答题区域书写的答案⽆效;在草稿纸、试题卷上答题⽆效。
4.保持卡⾯清洁,不要折叠,不要弄破、弄皱,不准使⽤涂改液、修正带、刮纸⼑。
Ⅱ单项选择(共15⼩题,每题1分,共15分)( ) 1.Tom is ____ boy in blue ,he works so hard that he can go to_______ university.A. a theB. the aC. a aD. the the( ) 2._____he gave me !A .What a good advice B. How a good adviceC .What good advice D. How good advice( ) 3. ––What a nice pen it is!––Yes. It's _________ one of allA. expensiveB. more expensiveC. the most expensiveD. as expensive as( )4.---Why are you driving so slowly, Dad?---It's so ______ and I can't see the road clearly.A. cloudyB. sunnyC. windyD. foggy( ) 5. — ______ the population of China?— ______ over 1, 300, 000, 000.A. How many are; They areB. How’s; It’sC. What’s; It’sD. How much is; It’s( ) 6.It will ________ rain later ,because there are lots of clouds.A. probablyB. beC. mustD. might( ) 7. Study hard! _________ you study, _________results you'll get.A. Harder, betterB. Harder, the betterC. The harder, the betterD. The harder, better( )8. —After a long walk, why not ______ a drink—Sounds good!A. stop to haveB. stop havingC. to stop havingD. to stop to have( ) 9.______ Can you tell me?A. What moreB. Else whatC. What elseD. More what( )10. —I phoned you last night. Why didn’t you answer?—Sorry. I ______ TV at that time and didn’t hear it.A. am watchingB. was watchingC. watchD. watched( )11. —Whose book is this?—It ______ Ca rter’s. It has his name on it.A. might notB. can’t beC. couldbe D. must be( )12. It’s very brave ______ you ______ the boy from the accident.A. for; savingB. for; to saveC. of; to saveD. of; saving ( )13. It’s said that _____ of the water around the world ______ polluted.A. two third; hasB. two thirds; haveC. two third; areD. two thirds; is( )14.Zhang Liangying is so popular among young people _______ her beautiful voice.A. becauseB. because ofC. insteadD. instead of( )15. Suzy was making a snowman _____ Kitty was standing beside her.A. whenB. andC. untilD. whileⅢ.完形填空选择正确答案完成短⽂(共10⼩题,每⼩题1分,共10分)What is the best way to learn a foreign language? We all remember that we learnt _ 16_ language well when we were children. If we can learn _17 second language in the _18 _way, it won’t seem so difficult. Think of what a small child _ _19 . It listens to what people say and it _20 to imitate(模仿) what it hears. When it wants something, it has to ask _21 it. In _ 22 , it is using the language. It is talking in it 23 the time . 24 people use a second language like his, they will learn it more 25 than before.( ) 16.A.ourselves B. own C. our own D. ours( ) 17.A.the B. a C. an D.\( ) 19.A.does B .do C. did D. doing( ) 20.A.want B. tries C. needed D. doing( ) 21.A.for B. on C. about D. with( ) 22.A.time B. trouble C. fact D. danger( ) 23.A.in B. all C. for D. on( ) 24.A.Whet her B. Before C. If D. Until( ) 25.A.best B. quickly C. slowly D. easyⅣ. 从表格中选择正确答案补全对话 (共5⼩题,每⼩题1分,共5分)A:What are you doing ?B:______26_____________A:Great ! Can you tell me something about the book ?B:Certainly ! It says 1000 years ago , the world ‘s population was very small .____27_________ A:Really ?B:Yes ,but during the last three or four hundred years ,the world ‘s population has grown very quickly .Today ,it is growing faster than ever before .____28_______.A:Sorry ,I don’t know .B:It’s more than 6 billion .A:It’s so large .___29_________B:Yes .If we don’t control the population ,there will be not enough space even to stand for people on the Earth in 600 years . A:___30________V.阅读理解(共20⼩题,A,B,每⼩题1分,C,D每⼩题2分,共30分)( A )Do you like sports? Are you getting enough exercise? Well, if you’re looking for a way to exercise, try walking. Walking is easy. There are no special instructions, and there are no rules. You just walk —left, right, left, right. See? It’s easy.Walking is cheap. Needn’t spend money on expensive clothes and equipment(器材). Allyou need is a pair of good shoes. Walking is fun, and it gives you time for yourself. Go with a friend. Walk and talk. Do something you enjoy. Listen to music, think about life, relax and so on.Walking is good for your health. It’s good for your mind and body. You feel good after walking a lot. And now scientists say that walking outdoors is a best exercise. Walking is good in all kinds of weather. So it’s raining? Don’t worry, take an umbrella. When it’s sunny, use sunglasses. If it’s hot, take some water with you. When it’s cold, you always feel warm. And walking in the snow is a great fun!Are you willing to walk? Don’t wait! Just do it!根据短⽂内容,判断句⼦正(T)、误(F)。
七年级下学期英语期末模拟试卷含答案注意事项:1. 答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。
2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。
3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。
4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。
二、单项选择(共15小题;每小题1分,满分15分)。
21. The Green family are planning ▲ one-day trip. I think they will have a happy day.A. theB. anC. /D. a22. His father likes jogging ▲ the Moon River for half an hour every morning.A. alongB. underC. betweenD. over23. Jim’s un cle always sleeps with the windows ▲ in winter.A. closedB. closeC. openedD. open24. —Could I smoke here? —Sorry. I am afraid you ▲ . Look at the sign “No smoking”!A. couldn’tB. can’tC. needn’tD. won’t25. Which of the following words rhymes with “snow”?A. blouseB. windowC. flyD. kite26. —What else do I need to do for the party?—▲ else. Miss Li got everything ready.A. NothingB. SomethingC. EverythingD. Anything27. “Andy searched the bushes carefully.” Here “searched” means ▲ .A. looked outB. looked afterC. looked forD. looked up28. —Lucy now helps at a community center three days a week in her free time for free.—I also want to be a (an) ▲ there to help more people.A. managerB. volunteerC. engineerD. designer29. My cousin’s ▲ birthday is coming. I am going to buy her a gift.A. twentyB. twentithC. the twentiethD. twentieth30. Firemen in Jiangsu, together with those from other cities, ▲ the big fire at last.A. put onB. put upC. put outD. put in31. Which of the following has the different pronunciation (发音) from the other three?A. wantedB. passedC. invitedD. soundedA. protectedB. protectingC. to protectD. protect33. Jim wants to borrow the book “The Cat Goes Shopping” in the library. Where can he find it?A. HISTORYB. LANGUAGESC. SCIENCED. LITERATURE34. Jim, there is ▲ time before our train leaves. Let’s have a drink first.A. a littleB. littleC. a fewD. few35. —I think the film Boonie Bears:The Big Shrink (熊出没·变形记) is very interesting.—▲ . This is not my cup of tea.A. I hope notB. That’s trueC. I don’t agreeD. I think so三、完型填空(共10小题;每小题1分,满分10分)。
七年级下学期生物期末模拟试卷含答案注意事项:1. 答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。
2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。
3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。
4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。
一、(选择题)说明:本卷共25个题,每题2分,共计50分.在每题给出的四个选项中,只有一项符合题目要求,请将符合题目要求的选项填涂在答题卡相应位置上.1.食物中的每一类营养成分都是人体完成各项生命活动和正常生长发育所必需的,下列关于食物中营养成分的叙述,错误的是()A.动物肝脏中含有的维生素D能促进钙的吸收B.多吃芹菜、牛肉等富含膳食纤维的食物可以促进胃肠蠕动和排空C.多吃胡萝卜和黄玉米等含胡萝卜素丰富的食物可以预防夜盲症D.青少年每天应多吃一些含蛋白质丰富的食物,如鸡蛋、牛奶等2.呼吸是维持生命活动的重要功能之一,下列有关平静呼吸的说法错误的是()A.肺是人体主要的呼吸器官B.人在呼吸时,呼出的气体成分中二氧化碳多于氧气C.膈肌和肋间肌收缩时完成吸气D.氧气从肺泡进入血液是通过扩散作用实现的3.如图是用显微镜观察到的人血涂片视野中的部分物像,下列表述正确的是()A.①个体最小,能穿透血管壁B.②数量最多,能吞噬细菌C.③中含有血红蛋白,具有运输氧气的功能D.①②③三种细胞中只有③没有细胞核4.如图所示,甲、乙、丙是人体内的三种血管,乙中血液流速最快,据此判断,血液在这三种血管中的流动方向是()A.甲→乙→丙B.乙→甲→丙C.丙→乙→甲D.乙→丙→甲5.下肢骨骼肌活动产生的二氧化碳被送到肺部排出,不需要经过部分是()A.右心房B.下腔静脉 C.肺动脉D.肺静脉6.如图为心脏解剖模式图,以下说法错误的是()A.①是主动脉,连通BB.若从①处注水,则水从③处流出C.③是肺静脉,共有4条D.D与②,B与①之间都有动脉瓣7.下列关于心血管疾病的说法正确的是()A.患者逐年增多,且出现低龄化倾向B.只要坚持体育锻炼就不会患心血管疾病C.烟草中的尼古丁能使脂类物质沉淀到血管壁上引发冠心病D.只要膳食合理就不会患心血管疾病8.下列急救措施不正确的是()A.静脉血管出血后应在伤口的远心端按压或绑扎止血B.发现煤气中毒病人需要尽快将病人转移至空气流通场所C.发现突发性心血管疾病患者突然倒地不起时,应立即将病人扶起并移至安全处D.对溺水导致呼吸暂时停止的患者可通过人工呼吸进行抢救9.皮肤是人体最大的器官,下列关于皮肤功能的叙述,错误的是()A.和黏膜构成人体的第一道免疫防线B.形成冷、热、触、痛等不同的感觉C.具有排泄功能D.能通过汗液的蒸发调节体温10.科学家为了证明某一生物学观点,先后做了如下实验:实验一:破坏蝌蚪的甲状腺,发现蝌蚪发育停止,不能发育成成蛙实验二:在饲养缸的水中放入甲状腺激素,破坏甲状腺的蝌蚪又发育为成蛙。
七年级下学期英语期末模拟试卷含答案 注意事项: 1. 答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。 2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。 3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。 4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。
二、单项选择(15小题,每小题1分,共15分) 从A、B、C、D四个选项中选出一个最佳答案,并将其标号填入题前括号内. ( )26.--- did you go to Beijing? --- Two years ago. A. How often B. When C. How long D. Where ( )27.--- When was your Little brother born, LiPing ? --- He was born the evening of May 1st, 2018 . A.in B. on C. at D. of ( )28.We'll have to say goodbye, my dear friends. But I'll forget these days we spent(度过) together. A. never B. always C. usually D. often ( )29.--- Did you in the park yesterday? --- Yes , we had a good time . A. enjoyed yourself B. enjoyed yourselves C. enjoy yourselves D. enjoy yourself ( )30.I'm afraid you can't catch the train because you have time. A. a little B. few C. a few D. little ( )31.--- Can you it in English? --- Sorry, I can't English. A. say; say B. speak;speak C. say; speak D. speak;say ( )32.--- Excuse me, which is the way to the bank ? --- Go across the bridge. The bank is from the hospital. A. cross B. across C. crossing D. crossed ( )33.--- What land of house does your uncle live in? --- He lives in an apartment with floors. He is on the floor. A. fifth; three B. five; three C. fifth; third D. five; third ( )34. For many parents in China, children are almost(几乎) in their loves. A. something B. anything C. everything D. nothing ( )35.--- The TV says it is a day today. --- Yes. Look! It's heavily now. A rain; raining B. rainy; raining C. rainy; rainy D. rain; rainy ( )36.Climbing walls is an interesting activity. I often see some people walls in the gym. A. climb B, climb C. to climb D. climbing ( )37.--- You'd better in the sun, Xiao Ming. It's bad for your eyes. --- OK, I won't, Mr. Wang. A. read B. not read C. to read D. not to read ( )38.Jane enjoys music very much .Last night she a lot of songs at John's birthday party . A. listening to; sang B. to listen to; sang C. listening; sing D. to listen; sings ( )39.--- Song Baobao, what are you doing these days? --- The final exam(期终考试)is ing. Each of us busy for it. A. are; prepare B.is; prepare C. is; preparing D. are; preparing ( )40. Which of the following sentences is correct(正确的)? A. How many season are there in a year? B. What is the weather like yesterday? C. Go down this street, and you'Ⅱfind it on your right. D. I think the TV play《In the Name of People>> is very wonderful. We all like it very much. 四、完形填空(10小题,每小题1分,共10分) 请先通读短文,掌握其大意,然后从四个A、B、C、D选项中选出一个可以填入相应空白处的最佳答案,并将其序号填入题前括号内. I went to Hawaii(夏威夷)last summer vacation. It is a very 41 place. Many people go there every year. The 42 was nice when I was there. It was sunny most of the time. I arrived there 43 plane with my family. I 44 many places. They are beautiful and I took 45 photos. I went to the beach(海滩), 46 I saw many people there. Some played on the beach. Some 47 in the sea. Hawaii is a best place for water sports in the world. A very popular(受欢迎的)sport 48 surfing(冲浪). It's exciting but 49 . People in Hawaii are very friendly. Many people are good at 50 . I saw them dance very well. It is a wonderful trip. ( )41. A. careful B. delicious C. beautiful D. quiet ( )42. A. weather B. people C. water D. food ( )43. A. on B. in C. by D. at ( )44. A. visit B. visits C. visiting D. visited ( )45. A. little B. few C. much D. many ( )46. A. but B. and C. or D. when ( )47. A. watched B. walked C. swam D. ran ( )48. A. is B. was C. are D. were ( )49. A. boring B. dangerous C. windy D. sunny ( )50. A. singing B. swimming C. dancing D. drawing 五、阅读理解(15小题,每题2分,共30分) 请阅读下面三篇语言材料,然后按文后要求做题 A Mr. Henry is an old man. He has no sons or daughters. He lives alone and feels very lonely. On last Thanksgiving Day, he passed the Whites' door , and Mr. Whites' family invited(邀清) him to have a big dinner. He was the first guest(客人) to pass by that day. He ate a lot of turkey and pumpkin pie. Most of families in the town knew Mr. Henry well. They all asked him to eat some delicious food. Mr. Henry tried to refuse , but it didn't work. The people thought he was sky(害羞的)and pushed him in. When the night was ing, people saw a car carrying an old man to the hospital. He was sick in hospital because he ate too much food. 根据短文内容,选择最佳答案,并将其标号填入题前括号内. ( )51.What do you think of Mr. Henry according to the passage? A. Cool B. Lonely C. Happy D. Strong ( )52.Mr. Henry had a big dinner at Mr. White's home on ____ Day. A. Thanksgiving B. Christmas C. Halloween D. Easter ( )53.The people in the town were ____ according to the passage. A. old B. young C. friendly D. poor ( )54.The Chinese meaning of the word “refuse” is“____”. A.接受 B.抵制 C.回避 D.拒绝 ( )55.What was the matter with Mr. Henry on Thanksgiving Day? A. He lost his car. B. He ate too much. C. He fell down in the park. D. He had no food to eat. B This is an old story. One day, a man was not happy when his 7-year-old daughter made a box with