問題詳情
10. 甲、乙兩地相距 60 公里，小國從甲地等速騎車到乙地，返回的時速增加 10 公里。若來回共花 3.5小時，則小國騎車時速原為幾公里？
(A) 20
(B) 30
(C) 40
(D) 50
(A) 20
(B) 30
(C) 40
(D) 50
參考答案
無參考答案
內容推薦
- 下列方程式中，何者的解是相異兩根？(A) 9x2－6x＋1＝0 (B) 2x2－2x＋4＝0(C) x2＋4x＋4＝0 (D) x2－9＝0
- 關於方程式 89 ( x－2 )2＝93 的兩根，下列判斷何者正確？(A) 一根小於－2，另一根大於 2 (B) 一根小於 1，另一根大於 3(C) 兩根都小於 0 (D) 兩根都大於 2
- 已知 a、b、c 為整數，欲使一元二次方程式 ax2+2bx+c=0 的兩個解都是不含根式的分數，則 b2-4ac 的值不可能為何?(A) 0 (B) 4 (C) 8 (D)
- 以下敘述錯誤的是？(A)x 的一元二次方程式 ax2＋bx＋c＝0 中，a 必不為 0。(B)有兩數 a、b，若 ab＝0，則 a＝0 或 b＝0。(C)所有的一元二次方程式都有 2 個相異的根
- 下列何者是完全平方式？(A)5x2＋4x＋3 (B)4x2－12x＋9(C)16x2－9 (D)x2＋8x－1
- 【題組】沛薰跟其他 4 個同學在散會之後討論剛剛開會的內容。 請問:誰說的是最為錯誤的?(A)宜蓁:剛剛投票是用「多數決」，那是民主社會最常採行的表決方式(B)彩綸:我覺得翁任當主席滿稱職的，剛
- ⑷【題組】Where can you borrow books? borrow 借(A) B (B) H (C) G (D) P
- 【題組】關於「 ★★★ 」與「 ※※※ 」的敘述，何者正確?(A)「 ★★★ 」也適用在處理「開會過程中有人不遵守班級秩序，用手機撥放影片」的情形(B)「 ※※※ 」也適用在處理「沒讓反對者表達
- (48-50 為題組題)(為了討論校慶園遊會要賣的商品，國昌國中 103 的 30 位同學跟美術老師借課來開班會。)主席: 麻煩大家回到座位上，我們現在開始召開本學期第一次的班會。司儀: 首先我們請有
- 人氣女星子魚在拍攝影片時，總會攜帶簡易風向計來測試風向，讓自己隨時呈現秀髮飛揚的絕美姿態。當風向計呈現如圖(三)的狀態時，子魚應該面向哪個方向？ (A)東北方 (B)西北方 (C)東南方(D)西南
內容推薦
- Joe played the ＿＿＿ of a waiter in the show. (A) rare (B) role (C) row (D) rock
- It’s very dangerous for girls to go out ＿＿＿ at night. (A) along (B) lonely (C) alone (D) look
- Roses in the garden died for ＿＿＿ of water. (A) lack (B) luck (C) like (D) lock
- Two ＿＿＿ two is four. (A) please (B) place (C) peace (D) plus
- What’s the ＿＿＿ idea of the article?(A) mean (B) meat (C) may (D) main
- The ＿＿＿ in Brad’s left leg has troubled him for many years. (A) pain (B) pan (C) pen (D) plan
- Mandy：Who was shouting yesterday evening?Linda：That was Mindy. She ＿＿＿ because of her son again.
- A：Who won the game?B：The tall girl ＿＿＿ did. (A) about a black dress (B) for a black dress (C) in
- Oliver only buys things which ＿＿＿ in Japan. He thinks they are better and last longer. (A) makes
- About ＿＿＿ of the students in this class go to school on foot. (A) quarters-three (B) quarter-thr
- John’s mom doesn’t like her job. “This isn’t the life she ＿＿＿,” John often says that. (A) wants
- The ＿＿＿ of the book is Twilight. (A) turtle (B) turkey (C) title (D) tidy
- With eight lanes, the road is very ＿＿＿. (A) write (B) wide (C) weak (D) wild
- In my class, Brian is the only student ＿＿＿ lives with his grandparents. Everyone else hastheir p
- Rita just told me that she has ＿＿＿ for more than five years. I couldn’t believe it becauseI thou
- The men ＿＿＿ look very tall and young. (A) you were invited (B) John studies with(C) that comes f
- Jerry, I have ＿＿＿ to tell you. (A) scary something (B) something scary (C) some scared things (D
- Paul was poor at math, and he ＿＿＿ by his friends often. (A) was laughed (B) was laughed at (C) l
- A：Do you know the guy ＿＿＿ a book ＿＿＿ animals?B：Oh, that’s Amy’s friend. (A) in; for (B) of; abou
- 題組(26~28)Carl：Hey, Yana, you’re good at solving puzzles, aren’t you?Yana：Of course! Why do you ask?C
- Daniel is really hungry. He ate ＿＿＿ of the beef pie. (A) third-two (B) thirds-two (C) two-third
- I like to read comic books ______ me laugh. (A) made (B) to have made (C) that make (D) which ma
- 【題組】How many people have already agreed to join Carl after this talk?(A) Four. (B) Three. (C) Fi
- The TV program they love ＿＿＿ really interesting. (A) is (B) are (C) be (D) to be
- I know my parents still love me ＿＿＿ I failed the English test. (A) even if (B) before (C) becaus