問題詳情
9. 若 2 為 x 和 5 的等差中項，且 x 為 y 和－5 的等差中項，則 x、y 的等差中項為多少？
參考答案
答案：C
難度：簡單0.860058
統計：A(30),B(4),C(295),D(0),E(0)
內容推薦
- ( )下列哪個數最接近-2?(A) -1 (B)-875 (C)-2 (D)-2
- A: I doubt that Joe and Sarah are brother and sister.B: _________.(A)You’re right. They’re actua
- 依我國期貨交易法之規定，下列何人員與其事業有財務或業務往來時，主管機關為保障公益或維護市場秩序得對其財產加以檢查？ 甲.期貨商的董事；乙.槓桿交易商監察人的三等親親屬；丙.槓桿交易商分支機構的經
- 二個數列甲：1001 , 998 , 995 , ……，乙：1 , 3 , 5 , ……，若此兩數列的第 n 項相同，則第 n 項為何？
- We need to _______ this issue as soon as possible.(A)discuss over (B) discuss for (C) discuss ab
- Although John doesn’t quite understand what we’re doing, he’ssmart andwill_______soon.(A) carry
- A: Do you mind if I smoke?B:_________ .(A)Yes, smoking is allowed here.(B)No, go ahead.(C)Yes, I
- 依我國期貨交易法之規定，證券商兼營證券相關期貨經紀業務，未依規定設立獨立部門專責辦理期貨業務時，主管機關得對該期貨商所為之行政處分，下列何者錯誤？(A)撤換負責人 (B)命令停止營業三個月(C)
- 表演台前共有 15 排座位，其中第一排有 30 個，且每一排均比前一排多 3 個座位。若某校有 1～25 班，每班 25 人，並依下列方式安排學生入座：依班級順序先排第一班，安排完後再排下一
- This job must be completed by June 15th. I hope you can finish it_____ time.(A) at (B) in (C) by
內容推薦
- A: Thanks so much for your assistance.B: _________.(A)No, thanks!(B)Welcome!(C)It was nothing!(D
- My nephew plays _____ the soccer team for his high school.(A) at (B) by (C) in (D) on
- Don’t put any stock in what he says. He’s an _______liar!(A)observable (B) out-and-out (C) inexp
- 設有兩等差級數，若第 n 項的比為(4n－2)：(3n＋1)，則它們前 19 項之和的比為多少？
- 有關全國期貨商業同業公會聯合會之敘述，下列何者正確？(A)至少應置理事二人、監事一人(B)理、監事中至少應有四分之一，由有關專家擔任之(C)理、監事之任期為三年，連選得連任，但以一次為限(D)理
- A: Don’t tell me you haven’t finished the assignment yet!B:_________ .(A)I never told you.(B)I g
- That’s simply impossible! You must _______ !(A)kid (B) be kidding (C) kid yourself (D) kid me
- I don’t know where _____at the moment.(A) they do live (B) do they live (C) they are living (D)
- 如下圖所示之電路為電感電流對時間變化圖，已知電感為 10H，求當 t = 4ms 時，電感兩端電壓 VL為多少伏特？ (A)5 (B)10 (C)15 (D)20 V。
- 下列敘述何者正確？(A)全國期貨商業同業公會聯合會之設立，於向經濟部登記前應先經主管機關許可(B)全國期貨商業同業公會聯合會理監事之任期均為二年，連選得連任(C)期貨業如經主管機關特許，不加入同
- 閱讀測驗If you hear someone say, “I…I…I…think it’s imp…imp…importantt…to respect p…people,” you probably
- You’re going to the concert tonight, _______?(A) don’t you (B) aren’t you (C) isn’t it(D) won’t
- That actress is the most accomplished performer I have _____ seen.(A) ever (B) never (C) any (D)
- 依我國期貨交易法之規定，禁止特定內部人（例如期貨交易所董事）利用內線消息進行與該消息有關之期貨或其相關現貨交易行為，有關該種內線消息之敘述，下列何者正確？(A)該種消息須足以重大影響期貨交易價格
- 【題組】Which action is NOT recommended when listening to a stutterer?(A)looking at the person(B)pay
- The relationship _______Janet and Mark is complicated.(A)between (B) among (C) about (D) for
- I haven’t visited Singapore yet, but I hope to do so in the _____future.(A) close (B) soon (C) u
- 日本境內交易黃金期貨的交易所為下列何者？(A)東京金融交易所 (B)東京穀物商品交易所(C)東京證券交易所(D)東京商品交易所
- 一、請說明用來輸送氣體的化工裝置有那些？並請詳述其特性。（20 分）
- When John set the table, his mother_________ everyone to dinner.(A) calls (B) call (C) called (D
- Even though the business isn’t doing so well now, I think we’ll makemoney in the long _______ .(
- 一、某研究員自南美洲引入一小果蕃茄，經馴化並進行「引種試驗」，請寫出「引種試驗」的內容。（25 分）
- A: Would you like to visit the Museum of Science and Technologywith me tomorrow?B: ____________.
- We all need to _____ in mind that we live in a democracy, andeveryone has a say in the way thing
- 如圖，∠CAF＝120°，∠ABD＝60°，∠C＝40°，∠D＝65°，則∠AFE＝？