初二习题
初二数学练习题50道带答案
初二数学练习题50道带答案1. 计算下列各式的值：a) 5 + 3 × 2 - 6 ÷ 3b) 4 × 2 + 6 ÷ 3 - 2c) 8 + 4 × 3 - 2 ÷ 2答案：a) 5 + 3 × 2 - 6 ÷ 3 = 5 + 6 - 2 = 9b) 4 × 2 + 6 ÷ 3 - 2 = 8 + 2 - 2 = 8c) 8 + 4 × 3 - 2 ÷ 2 = 8 + 12 - 1 = 192. 求下列各式的值：a) 13 + 4 × (7 - 3)b) 15 - 2 × (4 + 6)c) 6 × (9 - 3) + 12 ÷ 4答案：a) 13 + 4 × (7 - 3) = 13 + 4 × 4 = 13 + 16 = 29b) 15 - 2 × (4 + 6) = 15 - 2 × 10 = 15 - 20 = -5c) 6 × (9 - 3) + 12 ÷ 4 = 6 × 6 + 12 ÷ 4 = 36 + 3 = 393. 计算下列各题：a) 98 - 23 - 17b) 65 + 27 + 48c) 78 × 5 - 56 ÷ 7答案：a) 98 - 23 - 17 = 58b) 65 + 27 + 48 = 140c) 78 × 5 - 56 ÷ 7 = 390 - 8 = 3824. 求下列各题：a) 34 + 58 - 29b) 87 - 42 + 15c) 25 + 36 - 18答案：a) 34 + 58 - 29 = 63b) 87 - 42 + 15 = 60c) 25 + 36 - 18 = 435. 计算下列各题：a) (12 + 7) × 5b) 11 × (25 - 16)c) 48 ÷ (8 + 4)答案：a) (12 + 7) × 5 = 19 × 5 = 95b) 11 × (25 - 16) = 11 × 9 = 99c) 48 ÷ (8 + 4) = 48 ÷ 12 = 46. 求下列各题：a) 15 ÷ (10 - 8)b) (5 + 3) × (6 - 2)c) 24 ÷ (9 + 3)答案：a) 15 ÷ (10 - 8) = 15 ÷ 2 = 7.5b) (5 + 3) × (6 - 2) = 8 × 4 = 32c) 24 ÷ (9 + 3) = 24 ÷ 12 = 27. 计算下列各题：a) 20 ÷ (5 - 1)b) (8 + 4) × 3c) 45 ÷ (9 - 3)答案：a) 20 ÷ (5 - 1) = 20 ÷ 4 = 5b) (8 + 4) × 3 = 12 × 3 = 36c) 45 ÷ (9 - 3) = 45 ÷ 6 = 7.58. 求下列各题：a) (20 + 13) ÷ 11b) 18 - 2 × (6 - 3)c) (9 + 6) ÷ (2 + 2)答案：a) (20 + 13) ÷ 11 = 33 ÷ 11 = 3b) 18 - 2 × (6 - 3) = 18 - 2 × 3 = 18 - 6 = 12c) (9 + 6) ÷ (2 + 2) = 15 ÷ 4 = 3.759. 计算下列各题：a) 48 ÷ (9 - 4)b) (12 - 6) × 2c) (15 + 9) ÷ (5 + 2)答案：a) 48 ÷ (9 - 4) = 48 ÷ 5 = 9.6b) (12 - 6) × 2 = 6 × 2 = 12c) (15 + 9) ÷ (5 + 2) = 24 ÷ 7 = 3.4310. 求下列各题：a) 18 ÷ (6 - 2)b) (8 + 4) × (6 - 3)c) 24 ÷ (9 + 3)答案：a) 18 ÷ (6 - 2) = 18 ÷ 4 = 4.5b) (8 + 4) × (6 - 3) = 12 × 3 = 36c) 24 ÷ (9 + 3) = 24 ÷ 12 = 211. 计算下列各题：a) (15 - 10) ÷ 5b) 35 - 5 × (8 - 2)c) (48 + 24) ÷ (8 + 4)答案：a) (15 - 10) ÷ 5 = 5 ÷ 5 = 1b) 35 - 5 × (8 - 2) = 35 - 5 × 6 = 35 - 30 = 5c) (48 + 24) ÷ (8 + 4) = 72 ÷ 12 = 612. 求下列各题：a) 17 + (8 - 5) × 6b) 62 - 4 × (7 + 2)c) (12 + 6) ÷ (3 + 3)答案：a) 17 + (8 - 5) × 6 = 17 + 3 × 6 = 17 + 18 = 35b) 62 - 4 × (7 + 2) = 62 - 4 × 9 = 62 - 36 = 26c) (12 + 6) ÷ (3 + 3) = 18 ÷ 6 = 313. 计算下列各题：a) 48 ÷ (8 - 4) × 2b) (15 - 5) × 3 + 9c) 20 - 4 × (8 ÷ 4)答案：a) 48 ÷ (8 - 4) × 2 = 48 ÷ 4 × 2 = 12 × 2 = 24b) (15 - 5) × 3 + 9 = 10 × 3 + 9 = 30 + 9 = 39c) 20 - 4 × (8 ÷ 4) = 20 - 4 × 2 = 20 - 8 = 1214. 求下列各题：a) (12 + 8) × (7 - 2)b) 45 ÷ (9 - 4) + 6c) 28 - 4 × (9 ÷ 3)答案：a) (12 + 8) × (7 - 2) = 20 × 5 = 100b) 45 ÷ (9 - 4) + 6 = 45 ÷ 5 + 6 = 9 + 6 = 15c) 28 - 4 × (9 ÷ 3) = 28 - 4 × 3 = 28 - 12 = 1615. 计算下列各题：a) (13 + 7) × (6 - 2)b) 56 ÷ (8 - 5) + 4c) 40 - 3 × (8 ÷ 4)答案：a) (13 + 7) × (6 - 2) = 20 × 4 = 80b) 56 ÷ (8 - 5) + 4 = 56 ÷ 3 + 4 = 18.67 + 4 = 22.67c) 40 - 3 × (8 ÷ 4) = 40 - 3 × 2 = 40 - 6 = 3416. 求下列各题：a) 76 ÷ (9 - 7) × 4b) (15 - 9) × 2 + 5c) 24 - 6 × (8 ÷ 4)答案：a) 76 ÷ (9 - 7) × 4 = 76 ÷ 2 × 4 = 38 × 4 = 152b) (15 - 9) × 2 + 5 = 6 × 2 + 5 = 12 + 5 = 17c) 24 - 6 × (8 ÷ 4) = 24 - 6 × 2 = 24 - 12 = 1217. 计算下列各题：a) (18 - 6) ÷ 3 × 2b) 45 ÷ (6 - 3) + 7c) 50 - 2 × (9 ÷ 3)答案：a) (18 - 6) ÷ 3 × 2 = 12 ÷ 3 × 2 = 4 × 2 = 8b) 45 ÷ (6 - 3) + 7 = 45 ÷ 3 + 7 = 15 + 7 = 22c) 50 - 2 × (9 ÷ 3) = 50 - 2 × 3 = 50 - 6 = 4418. 求下列各题：a) (10 + 6) ÷ (7 - 3)b) 68 - 8 × (9 - 6)c) 60 ÷ (12 - 6)答案：a) (10 + 6) ÷ (7 - 3) = 16 ÷ 4 = 4b) 68 - 8 × (9 - 6) = 68 - 8 × 3 = 68 - 24 = 44c) 60 ÷ (12 - 6) = 60 ÷ 6 = 1019. 计算下列各题：a) (9 + 7) ÷ (8 - 2)b) 51 - 3 × (8 - 5)c) 56 ÷ (14 - 7)答案：a) (9 + 7) ÷ (8 - 2) = 16 ÷ 6 = 2.67b) 51 - 3 × (8 - 5) = 51 - 3 × 3 = 51 - 9 = 42c) 56 ÷ (14 - 7) = 56 ÷ 7 = 820. 求下列各题：a) (10 + 13) ÷ 8b) 88 - 6 × (12 - 7)c) 84 ÷ (9 - 4)答案：a) (10 + 13) ÷ 8 = 23 ÷ 8 = 2.88b) 88 - 6 × (12 - 7) = 88 - 6 × 5 = 88 - 30 = 58c) 84 ÷ (9 - 4) = 84 ÷ 5 = 16.821. 计算下列各题：a) 34 ÷ (11 - 9)b) (16 - 6) × 5 - 22c) (18 + 9) ÷ (7 - 3)答案：a) 34 ÷ (11 - 9) = 34 ÷ 2 = 17b) (16 - 6) × 5 - 22 = 10 × 5 - 22 = 50 - 22 = 28c) (18 + 9) ÷ (7 - 3) = 27 ÷ 4 = 6.7522. 求下列各题：a) (12 + 5) ÷ (8 - 6)b) 72 - 3 × (9 + 2)c) 100 ÷ (20 - 15)答案：a) (12 + 5) ÷ (8 - 6) = 17 ÷ 2 = 8.5b) 72 - 3 × (9 + 2) = 72 - 3 × 11 = 72 - 33 = 39c) 100 ÷ (20 - 15) = 100 ÷ 5 = 2023. 计算下列各题：a) 48 ÷ (12 - 10)b) (14 - 8) × (7 - 3)c) (21 + 9) ÷ (6 - 4)答案：a) 48 ÷ (12 - 10) = 48 ÷ 2 = 24b) (14 - 8) × (7 - 3) = 6 × 4 = 24c) (21 + 9) ÷ (6 - 4) = 30 ÷ 2 = 1524. 求下列各题：a) (10 + 7) ÷ (6 - 2)b) 54 - 2 × (9 + 5)c) 96 ÷ (6 - 3)答案：a) (10 + 7) ÷ (6 - 2) = 17 ÷ 4 = 4.25b) 54 - 2 × (9 + 5) = 54 - 2 × 14 = 54 - 28 = 26c) 96 ÷ (6 - 3) = 96 ÷ 3 = 3225. 计算下列各题：a) (9 - 6) ÷ 2 × 3b) 41 - 3 × (12 - 6)c) 50 ÷ (10 - 2)答案：a) (9 - 6) ÷ 2 × 3 = 3 ÷ 2 × 3 = 1.5 × 3 = 4.5b) 41 - 3 × (12 - 6) = 41 - 3 × 6 = 41 - 18 = 23c) 50 ÷ (10 - 2) = 50 ÷ 8 = 6.2526. 求下列各题：a) (16 - 8) ÷ 2 × 4b) 65 - 5 × (12 + 3)c) 40 ÷ (8 - 2)答案：a) (16 - 8) ÷ 2。
初二数学题(5篇)
初二数学题(5篇)初二数学题(5篇)初二数学题范文第1篇一、选择题(每题3分，共30分)1、下列函数关系中表示一次函数的有( )① ② ③ ④ ⑤A.1个B.2个C.3个D.4个2、下列函数中，图象经过原点的为( )A.y=5x+1B.y=-5x-1C.y=-D.y=3、一水池蓄水20 m3，打开阀门后每小时流出5 m3，放水后池内剩下的水的立方数Q (m3)与放水时间t(时)的函数关系用图表示为( )4、已知点(-4，y1)，(2，y2)都在直线y= - 12 x+b上，则y1 、y2大小关系是( )(A)y1 >y2 (B)y1 =y2 (C)y1 5、每上5个台阶上升1米，上升米数h 是台阶数S 的函数关系式是( )A. h=5SB. h=S+5C.h=D.h=S-56、直线 , , 共同具有的特征是 ( )A.经过原点B.与轴交于负半轴C.随增大而增大D.随增大而减小初二数学题范文第2篇1、下列语句中，正确的是( )A.一个实数的平方根有两个，它们互为相反数B.负数没有立方根C.一个实数的立方根不是正数就是负数D.立方根是这个数本身的数共有三个2、下列图案是轴对称图形的有( )A.1个B.2个C.3个D.4个3、如图：D、E是ABC的边AC、BC上的点，ADB≌EDB≌EDC，下列结论：①AD=ED;②BC=2AB;③∠1=∠2=∠3;④∠4=∠5=∠6.其中正确的有( )A.4个B.3个C.2个D.1个4、如图是一个台球桌面的示意图，图中四个角上的阴影部分分别表示四个入球孔.若一个球按图中所示的方向被击出(球可以经过多次反射)，则该球最终将落入的球袋是( )A.1 号袋B.2 号袋C.3 号袋D.4 号袋5、下列实数、、1.4142、、1.2021020002…、、中，有理数的个数有( )A.2个B. 3个C. 4个D. 以上都不正确6、如图，在ABC中，AB= AC，点D、E在BC上，BD = CE，图中全等的三角形有 ( )对A、0B、1C、2 D 、37、如图，在ABC与DEF中，已有条件AB=DE，还需添加两个条件才能使ABC≌DEF，不能添加的一组条件是( ).A.∠B=∠E，BC=EFB.BC=EF，AC=DFC.∠A=∠D，∠B=∠ED.∠A=∠D，BC=EF8、假如等腰三角形的两边长是10cm和5cm，那么它的周长为( ).A.20cmB.25cmC.20cm或25cmD.15cm9、的平方根是( ).A.9B.±9C.3D.±310、若等腰三角形腰上的高是腰长的一半，则这个等腰三角形的底角是( ).A.75°或15°B.75°C.15°D.75°和30°二、填空题(每小题4分，共24分)11、用直尺和圆规作一个角等于已知角的示意图如图所示，则说明的依据是 .12、一辆汽车的车牌号在水中的倒影是：，那么它的实际车牌号是： .13、使有意义的的取值范围是 .14、已知点A(a，2)和B(-3，b)，点A和点B关于y轴对称，则 .15、若的立方根是4，则的平方根是 .16、直线 l1、 l2、 l3 表示三条两两相互交叉的大路,现在拟建一个货物中转站,要求它到三条大路的距离都相等，则可供选择的地址有处. 2021-2021学年度上期(初2021级)八班级数学期中测试题(总分：150分考试时间：100分钟)卷Ⅱ(答题卷)题号一二三四五总分得分一、选择题(每小题4分，共40分)题号 1 2 3 4 5 6 7 8 9 10答案二、填空题(每小题4分，共24分)11、 .12、 .13、 .14、 . 15、 . 16、 .三、解答题(每小题6分，共24分，解答题应出必要过程、步骤)17、计算：(1) (2)18、作图：请你在下图中用尺规作图法作出一个以线段AB为一边的等边三角形.(要求：写出已知、求作，保留作图痕迹，下结论，不写作法) 已知：求作：19、如图，AB、CD相交于点O，AO=BO，AC∥DB.求证：AC=BD..20、如图，已知ABC中，AB四、解答题(每小题10分，共40分，解答题应出必要过程、步骤)21、已知、是实数，且 .解关于x的方程： .22、假如等腰三角形的两个内角之比为1︰4，求这个三角形三个内角各是多少度?23、如图，在平面直角坐标系中，A(-1，5)、B(-1，0)、C(-4，3).(1)在图中作出ABC关于轴的对称图形A1B1C1.(2)写出点A1、B1、C1的坐标.24、已知：∠A=90°，AB=AC，BD平分∠ABC，CEBD，垂足为E. 求证：BD=2CE.五、解答题(25题10分，26题12分，共22分，解答题应出必要过程、步骤)25、阅读下列材料：，即，的整数部分为2，小数部分为 .请你观看上述的规律后试解下面的问题：假如的小数部分为a，的小数部分为b，求的值.初二数学题范文第3篇18. （本小题6分）解方程：19.(本小题12分，每小题6分)把下列各式因式分解:（1）（2）20．(本小题7分)先化简，再求值：，其中满意．2 1. (本小题7分)某试验中学为初二住宿的男同学支配宿舍。
初二小四门练习题试卷
初二小四门练习题试卷一．选择题1. 在下列各组数中，只有一个数是素数的是：A. 121, 135, 146, 188B. 125, 119, 139, 161C. 187, 191, 257, 293D. 221, 225, 238, 2482. 把一个升分成1000份，每份称为一毫升，这个单位是：A. 千克B. 公斤C. 升D. 毫升3. 已知某一数是4的倍数，它可能是2的倍数的是：A. 12B. 22C. 42D. 1024. 结果大于1的最小的真分数是：A. 2/3B. 5/8C. 4/5D. 9/105. 计算24×15.A. 360B. 3600C. 356D. 306二．单词拼写1. The ____________ (大象) is the largest land animal.2. The teacher ____________ (准许) us to listen to music during the break.3. We can travel to different places by ________ (地铁) in the city.4. The football match will be held ______________ (在……之内) the stadium.5. John is a talented musician. He can play many ____________ (乐器).三．完成句子1. There are ten boys in the classroom. ____________ boys are late for class.2. The supermarket is ____________ ____________ (远离) my home.3. My father is a doctor. He ____________ ____________ (在医院工作).4. Lily is good at drawing. She is ____________ ____________ (获得一等奖) in the art competition.5. Jenny ____________ ____________ (喜欢弹吉他) in her free time.四．阅读理解John is a 13-year-old boy. He is always late for school. He lives near the school, but he has to cross a busy road to get there. Every morning, he waits for the green light to cross the road. However, John is impatient and he hates waiting. Whenever he doesn't see any cars coming, he crosses the road, even when the light is red.One day, John crossed the busy road when the light was red. He didn't see a police officer standing nearby. The police officer stopped John and told him it was dangerous to cross the road when the light was red. John apologized to the officer and promised to always wait for the green light. Since that day, John has followed the rules and never crosses the road when the light is red.1. How old is John?2. Why is John always late for school?3. What does John do when he doesn't see any cars coming?4. What did the police officer tell John?5. Has John followed the rules since that day?五．写作请你以“我的暑假计划”为题，写一篇不少于80词的短文，谈谈你在暑假打算做什么。
数学初二100道练习题
数学初二100道练习题1. 计算：3 × 5 =2. 计算：12 ÷ 4 =3. 计算：8 + 7 =4. 计算：15 - 9 =5. 计算：2 × (4 + 6) =6. 计算：18 ÷ 3 × 2 =7. 计算：(9 + 3) × 2 =8. 计算：30 - (8 + 12) =9. 计算：5 × 7 + 3 =10. 计算：20 ÷ (4 - 2) =11. 解方程：2x + 3 = 1112. 解方程：4y - 8 = 2013. 解方程：5 - 2m = 1314. 解方程：3n + 12 = 2115. 解方程组：2x + 4y = 105x - 3y = 716. 计算面积：长方形的长为8cm，宽为5cm，求面积。
17. 计算面积：正方形的边长为10cm，求面积。
18. 计算面积：三角形的底边长为12cm，高为8cm，求面积。
19. 计算体积：立方体的边长为6cm，求体积。
20. 计算体积：长方体的长、宽、高分别为4cm、6cm、9cm，求体积。
21. 画出一个直角三角形，两个直角边的长度分别为3cm和4cm。
22. 画出一个等边三角形，边长为5cm。
23. 画出一个等腰三角形，底边长为6cm，等腰边长为8cm。
24. 画出一个平行四边形，两个对边长度分别为6cm和9cm，对角线长度为7cm。
25. 画出一个梯形，上底长为5cm，下底长为9cm，高为4cm。
26. 计算百分比：80% × 150 =27. 计算百分比：25% of 80 =28. 计算百分率：32/40 =29. 计算百分率：8/10 =30. 计算百分数：45 is what percent of 60?31. 简化分数：12/24 =32. 简化分数：18/36 =33. 简化分数：25/50 =34. 简化分数：16/32 =35. 简化分数：20/40 =36. 四舍五入：将5.67保留到个位数。
初二数学全套练习题
初二数学全套练习题一、填空题（每空0.5分，共20分）1. 5 × ______ = 302. 8 ÷ ______ = 43. (-4) + ______ = 24. 3 × (-7) = ______5. ______ ÷ 9 = 56. (-3) × (-2) = ______7. 6 ÷ ______ = -28. 2 + 6 ÷ 3 = ______9. ______ × 5 + 10 = 3510. 15 ÷ (-3) = ______11. ______ - 10 = 1212. (-9) + ______ = (-2)13. 4 × ______ = (-28)14. 20 ÷ ______ = -1015. ______ - 6 × 2 = 1216. (-15) ÷ 3 = ______17. ______ + 5 ÷ 2 = 318. (-2) × ______ = 1819. 16 ÷ ______ = -220. ______ + (-9) = (-4)二、选择题（每题1分，共20分）1. 下列哪一个数是一个负数？A. 0B. 2C. -3D. 52. 在数轴上，-2 和 +2 之间的距离是多少？A. 0B. 2C. 4D. 63. 下列哪一个等式是正确的？A. (-5) + 3 = 2B. (-5) + 3 = -2C. 5 + (-3) = -2D. 5 + 3 = -84. (-2) × (-3) 的结果是多少？A. -5B. 5C. 6D. -65. 下列哪一个数是一个正数？A. -1B. 0C. 1D. -36. 如果 a + (-5) = 2，那么 a 的值是多少？A. -7B. -3C. 3D. 77. (-14) ÷ (-2) 的结果是多少？A. -7B. 7C. 6D. -68. 下列哪一个等式是正确的？A. 6 + 4 = 10B. 6 + 4 = -10C. -6 + (-4) = -10D. -6 + 4 = -109. 18 ÷ (-9) 的结果是多少？A. -2B. 2C. -4D. 410. (-3) × 10 的结果是多少？A. 13B. -3C. -10D. 30三、解答题（每题10分，共30分）1. 将 9 分之 4 写成百分数。
初二语文练习题及答案
初二语文练习题及答案一、选择题1. 下列哪个成语的意思是勇往直前、毫不退缩？A. 忍俊不禁B. 逆来顺受C. 前车之鉴D. 坚定不移答案：D. 坚定不移2. 以下哪个诗人被称为“诗仙”？A. 杜甫B. 李白C. 白居易D. 王之涣答案：B. 李白3. “落霞与孤鹜齐飞，秋水共长天一色”出自哪位诗人的作品？A. 王勃B. 王之涣C. 杨维桢D. 杜甫答案：C. 杨维桢4. 下列哪个成语的意思是人们相互勉励，共同奋斗？A. 面黄肌瘦B. 各抒己见C. 同舟共济D. 自言自语答案：C. 同舟共济5. 《红楼梦》是中国古代的一部经典小说，它的作者是谁？A. 曹雪芹B. 施耐庵C. 罗贯中D. 司马迁答案：A. 曹雪芹二、填空题1. 成语“画蛇添足”中的“蛇”字的下一句应该是“添足”。
2. 电视剧《三国演义》是根据哪部经典小说改编的？《三国演义》。
3. 中国古代四大名著中的“西游记”是哪位作家所写？吴承恩。
4. “红楼梦”中的贾宝玉与林黛玉是表亲关系。
三、阅读理解阅读下面的短文，然后根据短文内容，从每题所给的四个选项中选出最佳答案。
一天，孔子遇到一个对知识有很高要求的人。
那个人先问：“公子懂得什么？”孔子答道：“学习。
”那人又问：“学习什么呢？”孔子回答：“学习礼、学习乐、学习忠和，学习以礼自居。
”那人又接着问：“礼、乐、忠和，你为何要学习这些呢？”孔子微笑着说：“礼可以使人有礼貌，乐可以使人心情愉快，忠和可以使人忠诚，以礼自居可以使人体现出自己的修养品质。
”那人感慨地说：“原来学习还可以这样！”1. 孔子认为学习最重要的是什么？A. 礼B. 乐C. 忠和D. 以礼自居答案：D. 以礼自居2. 孔子以礼自居的目的是什么？A. 使人有礼貌B. 使人心情愉快C. 使人忠诚D. 体现修养品质答案：D. 体现修养品质四、改错题请找出下列句子中错误的地方，并改正。
1. 中国的四大发明是：造纸术、印刷术、指南针和火药。
初二语法练习题及答案
初二语法练习题及答案练习题一：选择正确的词语填空1. I _____ to the cinema yesterday.a) go b) went c) will go d) going2. She _____ TV when the phone rang.a) watching b) watch c) watched d) watches3. We _____ a lot of fun at the party last night.a) have b) has c) had d) will have4. My sister _____ the violin for five years.a) plays b) played c) play d) will play5. They _____ lunch at home tomorrow.a) will have b) had c) has d) having答案：1) b 2) a 3) c 4) a 5) a练习题二：选择正确的句子补全对话A: Have you seen the new movie that just came out? B: No, I haven't ________.a) yet b) never c) sometimes d) alwaysA: _________?B: I didn't have time. Have you seen it?a) Did you like it? b) Who did you go with?c) Why didn't you go? d) Do you want to see it?A: Yes, I saw it last night ________.a) in the cinema b) on TV c) at home d) with my friends B: _________?a) Is it any good? b) How long is it?c) Which theater is it showing in? d) Who is in it?A: It's a comedy and it's really funny. ________.a) You should watch it. b) It's boring.c) I didn't enjoy it. d) It's too long.答案：1) a 2) c 3) b 4) a 5) a练习题三：选择正确的词性填空1. We went on a _______ trip to the beach.a) walk b) walked c) walking d) walks2. I feel _______ today.a) tired b) tire c) tires d) tiring3. The cat _______ across the room.a) run b) ran c) running d) runs4. Sam _______ football every Saturday.a) play b) played c) playing d) plays5. The teacher asked us to _______ the sentence.a) correct b) corrected c) correcting d) corrects答案：1) c 2) a 3) b 4) d 5) a练习题四：选择正确的词语形式填空1. She _______ (swim) in the pool yesterday.2. The birds _______ (sing) beautifully in the trees.3. We _______ (visit) our grandparents last weekend.4. My brother _______ (ride) his bike to school every day.5. They _______ (dance) at the party.答案：1) swam 2) sang 3) visited 4) rides 5) danced练习题五：选择正确的动词时态填空1. We _______ (study) English every day.2. Yesterday, he _______ (play) basketball with his friends.3. She _______ (write) a letter to her friend last week.4. They _______ (watch) a movie in the theater tomorrow.5. I _______ (take) a shower just now.答案：1) study 2) played 3) wrote 4) will watch 5) took练习题六：选择正确的疑问词填空1. _______ is your name?a) Who b) Whose c) What d) Where2. _______ do you live?a) What b) Where c) When d) How3. _______ is your favorite color?a) What b) Where c) Who d) How4. _______ did you go on vacation?a) Who b) When c) Why d) How5. _______ do you want to be when you grow up?a) What b) Where c) When d) Why答案：1) a 2) b 3) a 4) b 5) a练习题七：选择正确的形容词填空1. The big house has _______ rooms.a) small b) smaller c) smallest d) the smallest2. My sister is _______ than me.a) young b) younger c) youngest d) the youngest3. This is the _______ book I have ever read.a) good b) better c) best d) the best4. He is _______ player on the team.a) good b) better c) best d) the best5. That movie was _______ than I expected.a) good b) better c) best d) the best答案：1) a 2) b 3) c 4) d 5) b练习题八：选择正确的副词填空1. She sings _______ (beautiful) than her sister.2. I wake up _______ (early) than you.3. They did their homework _______ (quick) than us.4. He speaks English _______ (fluently) in our class.5. We ran _______ (fast) than the other team.答案：1) more beautifully 2) earlier 3) more quickly 4) more fluently 5) faster。
初二数学练习题简单
初二数学练习题简单题目一：整数运算1. 计算：(-2) + 5 + (-7) =2. 计算：(-3) × 4 × (-2) × (-1) =3. 计算：(-18) ÷ (-3) =4. 计算：(-15) ÷ 3 =5. 计算：(-10) × (-3) × 2 =解答：1. (-2) + 5 + (-7) = -2 + 5 - 7 = -42. (-3) × 4 × (-2) × (-1) = 123. (-18) ÷ (-3) = 64. (-15) ÷ 3 = -55. (-10) × (-3) × 2 = 60题目二：分数的加减1. 计算：3/4 + 1/2 =2. 计算：7/8 + 5/6 =3. 计算：5/6 - 3/4 =4. 计算：2/9 - 1/3 =5. 计算：4/5 + 1/10 =解答：1. 3/4 + 1/2 = (3×2 + 1×4) / (4×2) = 10/8 = 1 1/42. 7/8 + 5/6 = (7×6 + 5×8) / (8×6) = 67/483. 5/6 - 3/4 = (5×4 - 3×6) / (6×4) = 2/12 = 1/64. 2/9 - 1/3 = (2×3 - 1×9) / (9×3) = -5/275. 4/5 + 1/10 = (4×10 + 1×5) / (5×10) = 45/50 = 9/10题目三：公式运算1. 计算：3a + 2b，当a=4，b=-5时的值为多少？2. 计算：2a^2 + 5b，当a=-3，b=2时的值为多少？3. 计算：(a + b)^2，当a=2，b=3时的值为多少？4. 计算：4(a - b)^2，当a=5，b=2时的值为多少？5. 计算：(2a - b)(a + b)，当a=3，b=-2时的值为多少？解答：1. 当a=4，b=-5时，3a + 2b = 3×4 + 2×(-5) = 12 - 10 = 22. 当a=-3，b=2时，2a^2 + 5b = 2×(-3)^2 + 5×2 = 2×9 + 10 = 283. 当a=2，b=3时，(a + b)^2 = (2 + 3)^2 = 254. 当a=5，b=2时，4(a - b)^2 = 4(5 - 2)^2 = 4×3^2 = 4×9 = 365. 当a=3，b=-2时，(2a - b)(a + b) = (2×3 - (-2))(3 + (-2)) = (6 + 2)(1) = 8题目四：方程与不等式1. 解方程：2x + 1 = 92. 解方程：3(x - 4) = 153. 解方程：2(3x + 2) - 1 = 5x + 34. 解不等式：5x - 7 ≤ 185. 解不等式：2(x + 4) > 10解答：1. 解方程：2x + 1 = 92x = 9 - 12x = 8x = 8/2x = 42. 解方程：3(x - 4) = 153x - 12 = 153x = 15 + 123x = 27x = 27/3x = 93. 解方程：2(3x + 2) - 1 = 5x + 3 6x + 4 - 1 = 5x + 36x + 3 = 5x + 36x = 5xx = 04. 解不等式：5x - 7 ≤ 185x ≤ 18 + 75x ≤ 25x ≤ 25/5x ≤ 55. 解不等式：2(x + 4) > 102x + 8 > 102x > 10 - 82x > 2x > 2/2x > 1本文简单介绍了初二数学的练习题，包括整数运算、分数的加减、公式运算以及方程与不等式的解答。
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1.There ______ a pencil and two books on the table.A. isB. areC. hasD. have2.There ______ two books and a pencil on the table.A. isB. areC. hasD. have3. On the table ______ two books and a pencilA. isB. areC. hasD. have4. The weather was ________ cold that I didn’t like to leavemy room .A. reallyB. suchC. tooD. so5. His plan was such a good one ______ we all agreed toaccept it .A. whichB. thatC. asD. whose6. His plan was such a good one ______ we all agreed toaccept .A. whichB. thatC. asD. whose7．Look at the students . ________ working !A. How hard they areB. What hard are theyC. What hard they areD. How hard do they8. ________ bad weather it is ! Let’s stay at home andwatch TV .A. WhatB. What aC. HowD. How a9. Hangzhou is a nice city . My dad _______ me there when I was aboutten years old.A. pulledB. caughtC.tookD.brought10.Our school sports meeting will start ______ the morning of next Sunday.A. onB.atC.inD.to11. ______ the age of thirty, Peter went to Australia to look for a job.A.OnB.AtC.FromD. By12. Her mother told her _______ in bed.A.not readB.not to readC.don’t readD.to not read13.I spent half an hour _____ my homework.A. finish doingB.to finish doingC.to finishing doD.finishingdoing14. My mother often asks me ______early.A.get upB.got upC.getting upD. to get up15. What makes you ________it is going to rain tomorrow?A.to thinkB. thoughtC.thinkD. thinking16. On her way home Lucy saw a thief ______in a shop. She stopped______110 at once.A. steal; callB.to steal; callC.stealing; to callD.stealing;calling17. If it ______ sunny tomorrow, I_______fishing by the South Lake.A.is; goB.will be; goC.is; will goD. will be; will go18. Colours can change our moods and make us________happy or sad,energetic or sleepy.A.to feelB. feelingC.feltD.feel19. Mobile phones are popular now and they are ________than before.A.cheapB.cheaperC.cheapestD.the cheapest20. Again and again the doctor ________the crying girl, but he could notfind out what was wrong with her.A.looked overB.looked afterC. looked forD.looked out21.Every week, we have classes ________ Monday to Friday.A. onB.toC. from.D.with22.The young man is _______carry that heavy bag.A. strong enough toB.enough strong toC.not strong enoughD. strong enough23.In math class,our teacher often makes us _______math problems.A.talk toB.talk withC.to talk aboutD.talk about24.I do not have _______to buy that kind of computer.It is too expensive.A. too moneyB.enough moneyC.much too moneyD.many money25. He won’t go skating this week. I won’t _______.A. tooB.alsoC.eitherD.or26. Liu li is _______outgoing ______her sister.A.so; asB. as; asC. more; asD.as;than27. This math problem is _______ that one.A.not so easy asB.more easy thanC.easy thanD.as easier as28. His plan was such a good one ______ we all agreed toaccept it .A. whichB. thatC. asD. whose29.Kung Fu Panda is _______popular movie.it’s really interesting.A.theB. anC. aD./30. Don’t worry ______me,Mom. I’ll be all right.A. ofB.aboutC.forD.with31.How often does Bob play tennis? _______.A.Once a monthB.For a monthC.A month agoD. A month later.32.Frank, could you please tell me ________? He is a policeman.A. Where is your fatherB.Why is your father hereC.What your father isD.How your father is33. We will go for a picnic if it _______tomorrow.A.doesn’t rainB.rainedC.won’t rainD.rains34. lily is tall. Lily’s mother is ______than her mother.A.tallB.tallestC.the tallestD.taller35. Don’t keep others _______for a long time.It’s impolite.A.WaitingB.waitC.to wait36. Tony hardly said anything at the meeting,________he?A.didn’tB.doesC.did37. Bob is old enough to take care of ______.A.heB.sheC.hisD.himself38.look! Alice is busy _______her mother with the housework.A.helpingB.helpC.helpsD.helped39. The policeman asked me ________at this time yesterday.A.what was I doingB.what did I doC. what I was doingD.what I do40. Many beautiful buildings _______ in our city last year.A.are builtB.were builtC.is builtD.was built41.I ______my book everywhere, but I couldn’t find itA.looked forB.looked upC. looked atD. looked over42.Mr.Green won’t leave here until his wife _______back tomorrow.e.B.cameesD.will come。