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• 一、如圖15所示,一單擺由一長L、質量可忽略的細繩與固定於其底端的質點所組成。單擺一端固定在O點,某生在距離O點αL處的A點處釘上一圖釘,將單擺拉緊到水平後由靜止釋放。【題組】(a)求質點在B點時細繩
• 【題組】(3) 四邊等長
• 16.如右圖, 與圓相切於A點, 平分∠ACD·若 ,則∠ABC=?  (A)40°(B)50°(C) 60°(D)70°
• 【題組】(4) 四個角皆為直角，且四邊等長
• 【題組】(c)若α=3/7,試问單擺細繩繞圖釘運動的過程中(即階段Ⅱ),質點軌跡的最高點與A點的高度差d。(4分)編輯私有筆記及自訂標籤奧林匹亞物理-106 年 - 2017年第18屆亞洲物理奧林匹亞
• 【題組】(5) 只有一組對邊平行
• 2.昆蟲 (A)insect (B)incest(C)inesct
• 3.沙漠 (A)dessert(B)desert (C)desart
• 4.山羊 (A)gaot (B)goot (C)goat
• 5.甜的(A)sweat (B)sweet (C)swet
• 6.襯衫 (A)skirt (B)shirt (C)pants (D)jacket
• 7.鴨子 (A)dock (B)dack (C)duck
• 8.口渴的 (A)tired (B)thirty (C)thirsty (D)hungry
• 9.船艦 (A)ship(B)boat (C)plane (D)taxi
• 10.鞦韆(A)swing (B)seesaw (C)playground (D)slide
• 11.超市(A)market (B)supermarket (C)bookstore (D)station
• 12.Do you _____ that sound? It's coming from under the table.(A)sce(B)isten to (C)hear (D)get
• 13.My father drove me to school this morning because I _____ my bus.(A)took (B)got on (C)missed (D)g
• 14.A: What's the _____ of the sweater? B:It's $150.(A)money (B)price (C)dollar (D)size
• 15.I want a ruler because I need to draw a _____ line.(A)round (B)right (C)left (D)straight
• 16.Judy: I need a dress for David's party next week, but I don't have one.Wendy: Why don&#
• 17.Sue:_____ Shelly going to do on Sunday?Andy:_____ just watch TV at home and eat out with her fami
• 18._____ a concert at Youth Park next week. Do you want to go with me?(A)It's going to be (B)It
• 19.Dad _____ NT$10000 _____ his new shirt yesterday. Mom wasn't happyabout it.(A)cost ；on (B)sp
• 20._____ is so much fun for us.(A)Go bird watching (B)Going jogging (C)Going to hunt (D)Go windowsho