初二轻松快乐过寒假 英语、数学参考答案

初二轻松快乐过寒假 英语、数学参考 答案 八年级地理上册填图题岩土工程勘察试题省略号的作用及举例应急救援安全知识车间5s试题及答案 初二寒假作业 英语参考答案 练习一: 一. honest secrets really nothing more bowls magazines special slim round 二. 1.she will cry if her mother leave her on her own 2.why does his legs do not fit under the school desks 3.betty and i may not got to see each other often 4.thy boy is jim and he wants to see you 5.are we think climbing is as exciting as skating 三. E D B A C 四. D D D B D C B B A C 五. C C B D D A B A C B 六. A A A A B 练习二 一. geography tennis popular health 二. 1.is different from 2.is more boring than 3.the tallest of 4.more classes than 三. like classrooms library spend 四. B D D C C B B A D A C 五. D B A B C B D B C D 六. B B D D C 练习三 一. tie more winner remember tickets 二. 1.nance went on a trip to suzhou by train 2.i hope he can come tomorrow 3.lida,don't tell anyone about this things 4.they decided to watch tv last night 5.today is sunny but he stays at home not go out 三. trip 6:30 food park 4 80 四. C A A A B C C A A D 五. fishing got arrived clean sorry singing like catch bigger enough 六. C B C D B 练习四 一. litter metal chocolate quiet finish sunny 二. angers peaceful tour importance heavy 三. took last are are hurry selling sell 四. 1.jion the school trip 2.feel sick 3.make a home page 4.by underground 五. 1.what exciting news! 2.at the very beginning 3.what did the teacher tell us not to do 4.how often do we do a bird count 5.the students got up early so they could watch birds 六. A D D D C C B A 七. A B A C C C B C B D 八. B C B D A 练习五 一. met reading travel drop are watching do finish pay 二. go birding make space for have nowhere to live give me some advice at a time 三. 1.easier than 2.or will 3.made of 4.won't at all 5.expect help 6.was rainy 7.fly p.m 8.endangered birds 四.略 五.略 六.略 练习六 一. D A A C C C A C A D D B A A C C B C C B 二. C G A E D 三. B D C A B A C B C D 四 略 初二轻松快乐过寒假 数学答案 练习一 一. 1.3 2.40 3.8，6或7，7 4.5cm 5.130,50,50 6.6 二. B A B B 三. 11.略 12.略 13.6cm 14.图略 练习二 一. A C B D C C A B A C C B 二. 13.?8 ,3 14.12 ,6.2 15.3 3,4 16.〉 〈 17.1,2 18.2.4根号5 19.6 三. 20.3 21.,根号2，根号5 22.8 23.24，16根号3 24.不能 25.3根号250 26.(1)略 (2)2根号5，2 练习三 一. D B D A C 二. 6.10 7.90 8.30 三. 9.略 10.略 11.(1)略 (2)8根号3 12.60 120 60 120 练习四 一. 1. 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 格 统计图 2.(2，,3) 3.4 3 4.二 5.(4，,4) 二. C C B C A B 三. 12.略 13.B(1,0) C(0,根号3) D(-4,根号3) 14.略 15.(1)略 (2)C(0.5,0) 练习五 一. B B D A A C C B 二. 9.S〓1.5a 10.-2 11.1/4 12.?-4/5 13.y=50-0.3x 14.v=5t+10 16 三. 15.(1)s=24 -4.8t (2) 5 16.在第四象限上 17.略 18.(1)D(2,1) (-2,1) (0,-1) (2)y=x-1 19.(1)OA 练习六 一. 1.3 2.96，93 3.5 4.160 5.2.5 6.165 7.9 8.86.5 二. c c D D 三. 13.(1)8 (2)8X，12y+7 14.(1)平均数:21.8 众数:22 中位数:22 (2)22尺码 15.不同意 练习七. 一. B D B C B D C B A A 二. 11.169 12.6 ,2 13.1.8×10的九次方 14.?DBA=?A 3 15.(3,2) 三. 16.242/27 17.44 68 68 18.略 19.略 练习八 一. B A A D A C D 二. 8.?2 9.,2 10.8850 8.8.5 11.3 12.16或17 13.2根号3 14.(,4，2) 15.y=2.1+0.3x 16.4 7 17.-5 18.369/25 19.(1)中位数:75 众数 :75 20.(1)3 (2)减少 (3)(3,2，0) (4)〈3/2 21.略