2023日历-2023 2023七年级寒假作业答案

1、2023日历_2023 2023七年级寒假作业答案 转瞬间，大家的寒假生活已经接近尾声，在寒假里，大家是否有按时完成寒假作业呢?在线.01 我今日为大家细心预备了2023 2023七班级寒假作业答案，盼望对大家有所关心!2023 2023七班级寒假作业答案 2023七班级寒假作业答案(数学) 参考答案 一. 选择题 1. c 2. a 3. 4. d 5. d 6. 7. c 8. 9. d 点拨: 留意小正方形成对角线的形式 10. b 二. 填空题 11. 6, co, cd, ce, od, oe, de; 5, oc, ca, od, de, eb 12. ab; ab; ad 13.

2、 2023 14. 3, 45, 36; 22.54 15. 正方体, 4, 5, 6 16. 最喜爱语言课的人数占全班同学数的23% 17. -1, -1 18. 4x=6-(1-x) 19. x=1或x=-2 20. 1.30107 三. 计算题：21. 6 22. 解原式= 23. 解析: + -号把式子分成四部分, 分别计算再加减. 解原式=-9+9+25( )-0.090.9=-9+9+(-20)-0.1=-20-0.1=-20.1 24. -1099 四. 解方程： 25. x=11 26. x=-9 27. y= 五. 解答题：28. 1对4, 2对5, 3对6 29. 原式=b

3、-a+a+c+c-b=2c 30. a+b=0, c=0, d=1(a+b)d+d-c=1 31. 解: 1=400, bod=900-400=500 aod=1800-500=1300, aoc与aod互补, 3=500, 2= aod=650 32. 解: 设乙还需做x天, 由题意得 , x=3 六. 附加题：33. (1)55.5万人 (2)6% (3)6000人 一、1.13 分析：5-(-8)=13(). 2.- 3次(次数不做要求) 3. 分析：一副牌里共有54张，而其中黑桃有13张，所以抽到黑桃的可能性是 . 4.两 两点确定一条直线 2023七班级寒假作业答案(英语) 第一节1

4、5 ccbb其次节15 babca 第三节 15 cbbac 第四节 15 cedba 2125 cbcbd 2630 cccda 3135 bdcda 3640 cadbc 41. help42. swimming 43.eat44.kilometers 45. make 46. be 47. am playing 48.easily 49. criminal50. strawberrie51. washing 52.interesting 53. waiting 54. message 55. candle56. went 57. ride 58. took 59. expensive 6

5、0. stayed 61.on the first night 62. played badminton 63.feel about the trip 64. learned a lot 65. took the (a) bu66. one bowl of mutton soup 67. what kind of noodle68. drew manpictures 69. long brown hair 70. medium build 7175 cabcd 7680 cabad 8185aacbc 8690 cabgf one possible version last weekend,

6、mclassmateand i went to mount juci. it waso interesting. it waa sunnsunday. at 8:00 in the morning we met at the school gate. when everyone arrived, we started. all of ulike riding, so we went there bbike. after about 80 minutes ride, we got there. we found it a beautiful place because there were ma

7、nflowerand fruitthere. so some studenttook photos, some played gameor picked flowers. the othersang songs. at half past three in the afternoon, we got back to school. we were tired and hungrbut we all felt verhappy. 2023七班级寒假作业答案(历史) 第一部分 选择题 题号 1 2 3 4 5 6 7 8 9 10 答案 d c a d c a a 题号 11 12 13 14 1

8、5 16 17 18 19 20 答案 c d c a d a c 题号 21 22 23 24 25 答案 d d a a c 26. (1)秦始皇 焚书;(2分) (2)儒家孔子、孟子;道家老子、庄子;墨家墨子;法家韩非子;(8分) (3)汉武帝罢黜百家，独尊儒术，压制、打击其他学派。(2分) (4)观点不求全都，只要言之有理即可得分。(2分) 27. (1)图一反映的是张骞出访西域;图二的东西方商路是指丝绸之路;是东西方经济文化沟通的桥梁。(6分) (2)b欧洲;a长安(4分) (3) 西域都护(2分) 28. (1)a大禹;b李冰 (4分) (2)都江堰;成都平原。(4分) (3)发动群众，堵疏结合。(2分) 29. (1)魏主是(北魏)孝