請問第一題為什麼是用中間項求和

練習 -5, 老師講解 2 A = -80 (1)設一等差數列的和S=a+a2+ 已知ao=5,則Sig=? 19 6 利用中間 +an (2)有一等差數列,已知a14+as+as+ain= 16,則ap+a2+……+30=? 解 20 11) 49 = Q₁ TA = T. +7 9.9 。

請問有人有這份考卷的解答嗎

一~四冊 全) 英語科 17 -~四冊 複習 單題:請依文意選出一個正確或最佳的答案 (每題3分,共45分) D 1. Look at the picture. What's NOT A. inside the pencil case? (A) A pencil. (B) A ruler. (C) An eraser. (D) A card. OLDUM MENUMME 2. John is taking a trip to London. He needs to find a place to stay at night. What words should he type in for the information on the Internet? (A) London hotels go(B) London sights (C) (D) London restaurants London traffic 3. Vicky: Look! The sign says, "Don't start a fire here." Simon: If we can't, what are we going to eat tonight? Vicky: It tells people to camp five miles away from here Simon: Here's a picture of Red Fire Ants! Let's leave now What may the sign look like? (A) (B) Stay away from Red Welcome to Lulu Fire Ants. Don't sit on the rocks or on the grass. (D) Camp. It is good fo camping. Be carefu of Red Fire Ants. 5 miles

我這樣寫對嗎👀👾（八上文法宅急便）

(A) 18 【小試一下] (一)填充題 1. Before he eats pizza, he will wash 2. When I save enough money, I will take 3. After Joe knows about the fact, he Will everything about it. (二)翻譯填空 1. 在他來這裡之前,我會等他。 I will wait for him 2. 嬰兒一歲時,我將買給她一份可愛的生日禮物。 When the baby is one year old, I (W) will gift for her. 3. 完成她的自然功課後,她將打電動一小時。 •練習 She'll play science homework. (一)依提示作答 video games for an hour his hands. a trip to Japan for a week, call me up and tell me (C) V before he Come here. (B) buy A a lovely birthd after she finisher A A B F David will have free time tonight. (用 When 開頭合併為一句 ) He will go to a concert with Anna. When David have free time, he will go to a concert with 2. After Jim washes his hands, he will eat the pizza. (Before 翻譯 Anna Toni Before Jim eats the pizza, he will wash his hands. 1. 今晚吃晚餐後,我和我太太將在公園散步。(Mywife... will.... will...) My wife and I will go for a walk at park after dinner. 2. 這個週末有空時,爸爸將幫忙我的數學功課。(Dad will help with...) Toni Dad will help with my math homework when he has frec 學力模擬演練 單題(每題5分,共75分) 1. Mr. and Mrs. Smith did not know much about Taiwan when they beautiful island. this weeken 得分 ( ( to the (A) came (C) are coming (B) come (D) comes

請問這題🙏🏻

es. 45. ng to Hamburg on a business trip for two months. Which sentence is WRONG? at he hit 搶匪 (A) With the help of the guide dog, Mr. Wang, who lost his sight a few years ago, can go almost anywhere. (B) How come hasn't he been under the heavy stress for many years? (C) How soon can I adopt the puppy if no one claims her? (D) The first twelve to cross the river will be the signs Jade Emperor named. 背面尚有試題

請問第12題怎麼看？🥹

(B) do (C) will (D) have (D) Louis can't do A few (B) all every (D) much of the must-do's on the list by himself. Let's help him. the thing {All All of the thing (A) 13 Judy: Honey, can I buy this dress? sig oft no ed or absan nem oft Ken: Hmm... You already have lots of dresses, right? I don't think it's a good idea. I think we should use our money more

想問一下3、11、13題

2. ( 3. passed by the bakery () this afternoon (D) they We just saw a man and a dog (A) who (B) which (C) that )The fashion designer has a good knowledge (A) of using (B) to use (C) which using (D) that uses colors in her clothes designs.

求解🙏

Motor r Bus tickets? ay the full pric rnet. ets in July. r the same li lines? 理選項 TEX Califo TRA as Part 3: Cloze (55) Rosefield Tour Bus www.rosefieldbuses.org - vien In 16 DEC alq di 16 Market Square, Ticket Prices East Line - West Line 19. 18&l Times: - March to August: - September to April: * Buses 18. Rosefield Sports Ground Saint Michael's Church Grand Station WEST LINE Red Bridge, Queen Roberts' Castle Central Gardens Driftind Spring THEBridge EAST LINE Prince William's Theater City Hall CIRCLE LINE Rosefield Tunnel monh 07:00-19:00 (daily) 08:00 - 18:00 (every day except Wednesday) on national holidays. Saint Paul's Park A) analizsvỌ mladno/ ST to mi se org sal i siqooq sut mig och mn dood (c 1 by son of sure of 2 25lotis dinom ixsa bgsigna of loven I now $15.00 per person (children under ten = half price) → $12.00 per person (children under ten = half price) Tickets ordered on the Internet are 10-15% cheaper. naupa (CI) goddesa (8) 2 ( art opt anivela juode auovion esw bred loorba deid Te Tenoften (8) uod yon tuoda gaidh 1asd enT 01 22970x9 (A) wola (A) Extra Information sdt ni tus - - Buses leave every 30 minutes from Grand Station 20.0 h The West Line total travel time is 30 minutes. - Seats for seniors and people with children are marked in blue.sb (8) - Tours may change in times of heavy traffic. 191/19.01 noien (3) (TUDY) 20. (A) The East Line total travel time is 1 hour.good #20-2 blo omos 100 ods of (8) 192 lonnul(A) Buoy(8) TOVI) HOUGH banon (51) (A) 18. (A) haven't run anscup bas agricol) (B) have run w bollä ai 220 (C) do not run () (D) doesn't run niest telugs dito smit st Hed ni tio edt omni tog nao o nich olans (C) aslaso (A) gaimtom vsbau2 viv 8 noizane (A) (B) The East Line has less stations to stop at. bong (8) (C) The East Line was opened in 1974.dguard) (D) The East Line trains leave every 30 minutes. Itano (8) IT ( odt doum wod wood woy of soning (A) and'T BAL(A) ont set woy 11 air (A) ( ) 19. (A) Rosefield Sports Ground → City Hall (children pay extra) 201 370m 1800 (B) Line East → $10 per group (express service offered) uudeeel sch to sing ad (C) Saint Michael's Church → Central Gardens $50.00 per person (D) Circle Line → $10.00 per person (express service offered)badas 19dons) on SOLVIOR (C) aforio (8) ss1 ( ei noassa stimovet easoning sillud ommovog fler

第四題求解

interesting @ 2 We love Ms. Miller's class because it is really i _engineer My aunt designs computer games. She is a game e 3 ting. 4 Ryan was a teacher before; he t t math at a high school. ten. 5 Kate has too much homework. She can't f sh it before eer. 6 Emily: How was today's h Dylan: Great. Wel ry class? ned about Chinese emperors. emperor

請問有人有這張卷子的答案嗎？ 可以拍給我嗎？謝謝(づ｡◕‿‿◕｡)づ

八年級第12次自然(四)平時考 範圍:6-3~64 (★表重要題目,請同學一再複習) 2年9班9 1~6題每題3分,其餘每題4 分,共70分 (D)1 將底面積5cm、重量 100 gw 的砝碼靜置於水平桌面 上,則桌面所承受的壓力是多少gw/cm²? (A) S (B) 10 100元 500元/m² (C) 15 D) 20 2 將三個相同的瓶子裝水,分 別置於相同材質的海綿上, 其中B、C 瓶裝滿水,如右 圖所示,則海綿所受壓力大 小關係為何? (AA>B>C (BC>B>A COC=B>A DA=B=C 3 小琛兩腳陷入流沙中,一隻腳拔起,則會愈陷愈深, 其原因為何? (A)接觸面積減小,壓力減小 (B)接觸面積減小,壓力增加 (C)重量增加,壓力減小 B. (D)重量增加,壓力增加 ( 27甲、乙兩圓柱形容器之底面積比為3:1, C A 129 ATD27-28 姓 SIGN HERE A 125-25 f B-0021-24 B 17-20 B 11-16 9 下列哪些例子可說明大氣壓力的存在?把吸管插入术 中,用口吸吸管內之空氣,則水可由吸管進入口中: 必使用吸盤緊貼牆面、吊掛物體;四廣口瓶內裝滿 水,再以塑膠片壓緊瓶口後使瓶口朝下,塑膠片及瓶 內的水不會掉下來。 W僅公 xg. 浮力向上: C B僅 DIZA 10 已知識的密度比石頭大,今將質量相同的實心鐵球與 石頭放入水中,則何者所受的浮力較大? 鐵球 (B) 石頭 (C)兩者相同 D無法比較 11 有一木塊分別浮於下列各液體中,則在下列哪一種液 體中所受的浮力最大? A純水 (B)海水 心水眼 ①以上皆相同 有一物體在空氣中的重量是200gy,沉入水中後的 gay,則讓物體在水中所受浮力是多少gw? 重量是160 WO B=40=Ummx1 140 0:00:58/m (合力概京) 160 Very=40 (D) 360 (①) 13 小海豚在海面下 10 公尺處吐出的氣泡,在上升至海 面的過程中,關於氣泡的描述,下列哪些的值會變 大? 網海水壓力;乙體積:香浮力。 (AZ) BZW (C9 DESA LOTER BUS HOME 全国人水中,比

27.謝謝

白 ( 吉光 C (異國雞蛋餅乾 無奶…... 臺中市推動校園朗, UPGRADE TO PRO O Sign - 27.有關物理變化與化學變化的敘述,下列各項何者正 確? (A)物理變化可能有分子的重新排列 (B)物理變化可能有核外電子的轉移 (C)化學變化產物種類會變多 (D)葡萄糖溶於水的過程是化學變化 28.下列有關元素的敘述,何者錯誤? 性 途 質 用 熱、電良導體 選項物質名稱 /Al 飾品 Let's Go | 學習资源,