題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
6.在 8 和 50 之間,插入 20 個數,使這些數形成一個等差數列,則這等差數列插入的第 14 個數是多少?(A) 32 (B) 34 (C) 36 (D) 38
問題詳情
6.在 8 和 50 之間,插入 20 個數,使這些數形成一個等差數列,則這等差數列插入的第 14 個數是多少?
(A) 32
(B) 34
(C) 36
(D) 38
參考答案
答案:C
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
5.將一張正方形色紙,按圖(一)→圖(二)→圖(三)的步驟共對摺三次,如下圖: 今若將圖(三)的色紙剪掉一等腰直角三角形,如圖(四),再展開色紙,則會呈現出下列哪一個圖形?(A) (B) (C)
下一篇 :
7.將 1~200 的正整數中,所有除以 7 餘 2 的數由小到大排列。若第 17 個數為 a,第 23 個數為 b,則 b-a=?(A) 35 (B) 37 (C) 42 (D) 77
資訊推薦
8.已知一直角三角形三邊長成等差數列,且其周長為 60 公分,則此直角三角形斜邊上的高為多少公分?(A) 12 (B) 15 (C) 20 (D) 25
9.若數列 a , b , c 為一等差數列,且公差為 5,則關於數列 a-3 , b-6, c-9 的敘述,下列何者正確?(A)是公差為 5 的等差數列 (B) 是公差為-3 等差數列 (C) 是公
10.某班共有 40 人,已知第一次段考數學成績依次成公差為 2 分的等差數列,且沒有同分現象,若最高分為 98 分,則不及格有多少人?(A) 19 人 (B) 20 人 (C) 21 人 (D) 2
2. Tom painted his face during the festival, but Edward ________ .(A) didn’t (B) don’t (C) wasn’t (D
3. We walked the dog in the park a week ________.(A) age (B) then (C) ago (D) later
4 . The students are sitting ________ a circle and singing together.(A) at (B) in (C) to (D) of
5. In Mexico, people celebrate the Day of the Dead ________ joy.(A) at (B) in (C) with (D) of
6. Charlie: ________ you about the story? Annie: Dad did.(A) Who did you tell (B) Who told (C) What
7. ________ children can’t choose their husband or wife.(A) Millions of (B) Two millions (C) Million
8. I’m really curious ________ the ending of the novel. I want to finish it before this weekend.(A)
9 . ________ Carl got the poor grades in math, ________ he went to cram school this summer vacation.
10 . Leo: ________ did Linda cry? Judy: Her grandmother passed away yesterday(A) What (B) Who (C) Wh
【題組】2 . What DIDN’T Linda do yesterday?(A) She didn’t take many pictures.. (B) She didn’t visit her
【題組】3. Why did Mary say “Oh my!”?(A) Because she wants to see the lanterns this weekend.(B) Because
【題組】5. (A) Because of (B) Because (C) So (D) Without
【題組】6. (A) at (B) of (C) to (D) with
【題組】8. What can we infer from the reading?(A) Lilian hoped to go to Kenting with Cindy. (B) Lilian d
【題組】10. What use was the Mooncake in the revolution?(A) It was medicine to save people from the dise
17. On a blue Monday, students heard their English teacher _______ ,“you don’t havehomework today.”
18. When the song comes to the twins’ mind, they ___________ their mother.(A) try on (B) think of (C
19. Listen to the foreigner! His Chinese is __________ than ____________.(A) much good/ I (B) a lot
20. Simon got a bad cold. He is ___________ a dog.(A) as sick as (B) as sicker as (C) same sick as (
21. The baby’s milk isn’t warm enough. Mom make it _______________.(A) the more warm (B) a little wa
22. Of all the ___________ , history is _______________ for me.(A) subjects / easiest (B) lists / th
23. After the typhoon hits, we’ll ____________________________. (Choose the correct sentence) (A) se