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八年級(jí)數(shù)學(xué)寒假作業(yè)答案5篇(參考版)

2024-10-17 13:36本頁(yè)面
  

【正文】 。請(qǐng)同學(xué)們就近到移動(dòng)、電信、聯(lián)通營(yíng)業(yè)廳調(diào)查各種手機(jī)資費(fèi),調(diào)查它們的收費(fèi)標(biāo)準(zhǔn)是怎樣的?選擇使用哪一種手機(jī)資費(fèi)更合適?便于我們今后做出選擇。d better to write down your mistakes in notebook Do you think of the movie ? His family took him around Europe Everyone should practise speaking English every day BCABDBCDBA P47:pronounces davice counties musician latest enter lucky health CADCCCADP48 DCDA P48: around the world working to save Parents want him to drop His parents want him to quit school Because of thousands of Please tellwhere is DCDA第五篇:八年級(jí)數(shù)學(xué)寒假作業(yè)八年級(jí)數(shù)學(xué)寒假作業(yè)一. 計(jì)算部分:課本(1)45頁(yè)隨堂練習(xí)1,知識(shí)技能1.(2)47頁(yè)隨堂練習(xí)1,知識(shí)技能1.(3)50頁(yè)第8題(4)194頁(yè)第7題 新課堂(5)36頁(yè)和38頁(yè)第1題(6)41頁(yè)13題練習(xí)冊(cè)(7)30頁(yè)9(8)33頁(yè)7(9)37頁(yè)第四題(10)40頁(yè)第1題:課本(1)132頁(yè)2題(2)195頁(yè)15題(3)197頁(yè)從25題到34題 :練習(xí)冊(cè):(1)62頁(yè)練習(xí)2(2)64頁(yè)練習(xí)1(3)72頁(yè)復(fù)習(xí)與反思A卷二.綜合實(shí)際部分:記錄自己家中一周內(nèi)每天丟棄的塑料袋的數(shù)量;根據(jù)收集到的數(shù)據(jù)制作適當(dāng)?shù)慕y(tǒng)計(jì)圖并估計(jì)本班同學(xué)的家庭在一周內(nèi)、一年內(nèi)丟棄廢塑料袋的總數(shù)量;丟棄這些廢塑料袋有哪些害處?寫出自己的感想,并提出兩條合理化建議。t be What must will you what’s baseball cap you must’nP44: You39。t know,: too young of to invite to saw What does to do where and when B,B,D,自殺,He found ideas there for his books and stories P43 第一道at the moment from time to time And...pared And...pared On the first day On time get marry depend on 第二道rains possible moved across shoutting cloudy to swim chose 第三道what39。t there 3:jack was ranning in the park at this timeyestday 4how many times go shopping with her mother P38: although she was CCACBACCAB P39: proud of 39。came 第三和第四道 1:gold ring 2:play any tnstraments 3:of 4:go off 5:in the 20th century 1:wasn39。t What else What shoud do Where have seen has never visited anyHurry up,the plane is adout to take offWe have to stay here until tomorrow, for tickets have been sold outHe always speak English in classWe should help each other you tell me how to learn English well P34:AABCB P35:1:on business 2:so far 3:now and them 4:space station 5: the same as 6: be different from 7。2=55+5+25+7=42平方厘米16 選B位坐標(biāo)點(diǎn),別忘了箭頭,A(1,根號(hào)3)B(0,0)C(2,0)—17(2)B(3,3)C39。2=7 55=25 25247。 20 5和根號(hào)7 DDBD P20—10有3個(gè),圖略11圖略12 6的平方加8的平方等于100,根號(hào)100等于10,10加6等于16,13(1)AC是公共邊,10+14+12=36 P23 BDDBC 抽樣 普查 9 20 2 P24—10(1)程:(98+80+80)/3=86 楊:(95+93+90)/3= 林:(80+100+100)/3= 冠軍林飛,亞軍李揚(yáng),季軍程麗(2)程麗: 林飛:92 冠軍李揚(yáng),亞:林飛,季:程麗平均數(shù) , 穩(wěn)定程度 甲 乙P25 DDD >><>2≤t ≤8 x<2分之1 x大于等于2 k≥4分之30 x小于等于5 m 大于等于9 P2610 6(2x1)24≤4(1+x)12x624≤4+4x 12x30≤4+4x 8x≤34 X≤17/411設(shè)A,B原價(jià)分別為a,b,由已知可得b增加10元,A,B新的價(jià)格分別為a+10(看成m),b+10(看成n),(1)式各項(xiàng)加上10,即為 b+10n:總資金為x元15%x+10%(x+15%x)〈 30%x700 ++ 〈 x 〉20000 所以當(dāng)商家投入資金大于20000時(shí),可選擇在月末出售,從而使獲利較多 13(1)設(shè)建A花壇x個(gè),B花壇y個(gè),要確保玫瑰花和杜鵑花夠栽,則 50x+ 80y = 1250 ① 100x+90y = 1930 ②解得y=8(個(gè)),x= 12(個(gè))P27 CBBCBC a>0 b=0 【3,2】 【100根號(hào)5,100】 北偏西,50176。 90176。 90176??茖W(xué)網(wǎng)上好像只找到那么點(diǎn) 科學(xué)答案: P49。(或)做事要細(xì)心,要多自我反思,少埋怨別人。感時(shí)傷別,花也濺淚,鳥亦驚心。另一種解釋為,以花鳥擬人4用對(duì)偶的手法寫出了安史之亂的戰(zhàn)火連綿不時(shí),詩(shī)人跟家人難通音信,此時(shí)的—封家信顯得極端寶貴,能夠勝過(guò)萬(wàn)金,表達(dá)了詩(shī)人眷念家人的美妙感情。使人怵目驚心,令人深感滿目凄然。因?yàn)樗鼘懗隽松弰傉话?,不攀附?quán)貴的特點(diǎn)5蘭花,因?yàn)闊o(wú)香氣或淡香且蘭花以它特有的葉、花、香獨(dú)具四清(氣清、色清、神清、韻清),給人以極高潔、清雅的優(yōu)美形象,所以,我比較贊賞蘭花。4注意不能種在莊稼地、缺水的地方,最好種在水庫(kù)旁,離水源較遠(yuǎn)處。語(yǔ)言表達(dá)清楚明白1水不在深,有龍則靈2晴空一鶴排云上,便引詩(shī)情到碧霄 3黃鶴樓4生命誠(chéng)可貴,你先到我家住幾天,看看你父母的表現(xiàn)就知道了。(4)BCA 2國(guó)內(nèi)歷史考試的答案、角度是統(tǒng)一的,是限制思維的,國(guó)外的是開(kāi)放的,有主見(jiàn)的,根據(jù)不同思維有無(wú)數(shù)個(gè)角度 3 1.②③兩句對(duì)第①句進(jìn)行了解說(shuō) 而且 喜好聲音 有(強(qiáng)烈的)同情心。所以需要時(shí)時(shí)刻刻牢記勤奮2,因?yàn)樯钪写中某0樯磉?,認(rèn)真恰是每個(gè)人所必須的,是通往成功之秘訣,所以需要謹(jǐn)慎,認(rèn)真。不盼望可以一躍千里,只希望每天可以行進(jìn)一步。學(xué)習(xí)好似一片沃土,只需勤勞耕耘,定會(huì)有累累的碩果;如若懶于勞作,當(dāng)他人跳起歉收之舞時(shí),您已是懊悔莫及了。學(xué)習(xí)猶如農(nóng)民耕作,汗水滋養(yǎng)了種子,汗水澆灌了幼苗,沒(méi)有人霎時(shí)奉送給您一個(gè)歉收。新想法常常瞬息即逝,必需集中精神,牢記在心,及時(shí)捕獲。(學(xué)問(wèn)是取之不盡,用之不竭的。利用寒暑假我們也會(huì)進(jìn)行自行組織到老人院做好事。春天是個(gè)萬(wàn)物復(fù)蘇的季節(jié),一切都是剛剛醒的樣子,當(dāng)我也獻(xiàn)出一份愛(ài)心“我心里的春天”即良知、善良就已經(jīng)喚醒了會(huì)像春天的種子一樣在我心中生根發(fā)芽。以一個(gè)簡(jiǎn)樸的老人與“我”處境、心情不同做對(duì)比,為下文老人捐錢埋下伏筆突出老人高尚的高的情操起作用。標(biāo)題中的“最好的教育”是指強(qiáng)的父母對(duì)強(qiáng)良好人品的培養(yǎng)。)以“你遺失了感動(dòng)嗎”為題,一方面用提問(wèn)的方式使文章標(biāo)題醒目,能激起讀者的閱讀興趣,引發(fā)思考,似乎只為追尋著名利,卻少了感動(dòng),感動(dòng)是我們生命的一種呼喚,缺少了它,生命便沒(méi)有了生機(jī),感動(dòng)所帶給我們的,不僅是對(duì)他人的關(guān)懷,更是對(duì)自身的一種洗禮1(1)荒僻 塌(2)蹣跚 2 B 3XXX說(shuō)白雪皚皚,北風(fēng)陣陣的冬天就是美,一種純潔的美。3 會(huì)當(dāng)凌絕頂,一覽眾山小斯是陋室,惟吾德馨。悉達(dá)多佛教是三大佛教最早創(chuàng)立的,宣揚(yáng)“眾生平等”公元前后,傳入中國(guó)3.反映了當(dāng)時(shí)奴隸主擁有至高無(wú)上的權(quán)利歷史第四單元80頁(yè)錯(cuò)錯(cuò)對(duì)錯(cuò)對(duì)錯(cuò)對(duì)對(duì)對(duì)對(duì)孔子 玄奘李白岳飛 黃道婆畢升第5題:赤壁之戰(zhàn)是208年,三國(guó)是220280年,赤壁之戰(zhàn)是確立了三國(guó)鼎立的基礎(chǔ);第8題:北宋,歷史P75 象形文字圖二 楔形文字圖三 甲骨文、自然現(xiàn)象 BC3500兩河 BC3500印度河 恒河 BC2500長(zhǎng)江、黃河 BC2070(2)促進(jìn)農(nóng)作物生長(zhǎng)、土地肥沃、適合人類居住第四篇:八年級(jí)寒假作業(yè)答案語(yǔ)文1遏 謬 藉 唁 ①刪去“年紀(jì)大”或“老”。(3)先把身上的金屬物品拋開(kāi),然后躲進(jìn)大樓內(nèi)。(1)乙。二、結(jié)論一:蘋果的導(dǎo)電性與蘋果的的味道有關(guān),且蘋果越甜,導(dǎo)電性能越強(qiáng)。(3)條件。糖尿病的病人禁食葡萄糖、蔗糖、麥芽糖等純糖食品專題六二、CCDB(1)非條件反射。專題五一、略。專題四二、ABCD三、(1)難溶,乳濁。(1)高壓系統(tǒng),冷鋒系統(tǒng),晴朗。t forget to post 動(dòng)詞過(guò)去式bewascookcookedknowknewswimswangetgotteachtoughtleaveleftfellfeltsmellsmeltdrivedroverunranthinkthoughtkeepkeptbuyboughtbeginbegandodid過(guò)去分詞beencookedknownswamgot taught left felt smelt drivenrun thoughtkeptboughtbegandonecostcostcostfindfoundfoundthrowthrewthrowstandstoodstood動(dòng)詞過(guò)去式speakspokeecamegivegavehearheardsendsenthurthurtseesawstealstoletaketooksleepsleptsitsatmeetmetbringbroughtflyflewwakewoke過(guò)去分詞spokenegivenheard sent hurtseen stolen taken slept satmet brought flownwakenchoosechosechosenloselostlostreadreadreadriseroserisenwearworewornP50Early to bedGet up early to exercise every dayTo eat less fatty food and more not eat too many sweet can the case of hot weather drink plenty not drink beverages,drink p
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