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
2. ( )若3是5+x的一個平方根,試求x的正平方根=?(A) -2 (B)2 (C)±2 (D)±3
問題詳情
2. ( )若3是5+x的一個平方根,試求x的正平方根=?
(A) -2
(B)2
(C)±2
(D)±3
參考答案
上一篇 :
6. ( )已知√71200≒266.833281,若√x≒2.668332,則最接近x的整數為何?(A)7120 (B)712 (C)71 (D)7
下一篇 :
5. ( )下列哪一個多項式含有因式2x+3?(A)8x2-18 (B)2x2+6x+3(C)4x2+9 (D)4x-6
資訊推薦
4. ( )已知2x2-7x-15=(x-5)(2x+3),則下列各式中,有幾個是2x2-7x-15的因式?甲:x-5 乙:2x+3丙:2x2-7x-15 丁:2(2x+3)(A)1個 (B)
43.( )如圖為一原子的元素符號 ,則有關此元素符號的敘述,下列何者正確?(A) 此為金原子 (B) 此原子的質子數有 13 個 (C) 此原子的中子數有 27 個 (D) 此原子的電子數有 14
8. ( )下列利用乘法公式因式分解 的過程中,哪一個步驟開始發生錯誤? 步驟一:9x2+12x+4 步驟二:(3x)2+2•3x•2+22 步驟三:(3x+2)2 (A)步驟一 (B)步驟二(C)步
7. ( )因式分解9•(x-5)2-42(x-5)+49,則下列何者是9•(x-5)2-42(x-5)+49的因式?(A)3x-22 (B)3x-12(C)3x-7 (D)x-5
42.( )水位、水流與電位、電流有許多相似之處,故常被拿來互作比喻,試問在下列比喻中,有哪些是合理的?甲.水流相當於電流;乙.水管相當於導線;丙.抽水機相當於電池;丁.水流量相當於電量。 (A)甲
43.( )如圖所示的電路圖,每個燈泡及電池皆相同,若圖中ad間的電壓為4.5V,請問下列何者正確? (A)bc間的電壓為1.5V (B)ef間的電壓為1.5V (C)eg間的電壓為4.5V (D)
50.下列關於黑潮的敘述,何者正確?(A)對臺灣的氣候和漁產有很大的影響 (B)是赤道海域向南流的海流 (C)是由潮汐引起的海水運動 (D)黑潮主流的流向四季不同
14.若直角三角形外心與重心的距離為5,且兩股長之和為42,則此直角三角形的內切圓面積為?(A) 36π (B) 64π (C) 16π (D) 144π 。
9. ( )已知直角三角形中,兩股長的平方和等於斜邊長的平方。若一直角三角形的兩股長各為1公分及2公分,且斜邊長為a公分,則下列那一個選項是正確的?(A)3.5<a<4.0 (B)3.0<a<3.5(
3. A hideous hag emerged from the gingerbread house and spoke to Hansel and Gretel in a(n) _____ ton
4. During the press conference, the members of the media were________ by the mayor’s purposefully va
5. Since the freshman had expected to live in a cell-like space in college, he was pleasantly surpri
6. The landlord refused to carry out repairs to a _____ house inhabited by a bedridden old lady of 9
15.如右圖,圓O 是直角△ABC 的內切圓,∠C=90°, =5,則斜線面積為多少平方單位?(A) 4π (B) 30─4π (C) 60-4π (D) 4π15 。
7. Martha often cracks her knuckles when she is speaking. It’s one of her little _____ that characte
11. The politician could never speak simply; he was always _____ by using high-sounding language.(A)
12. Although our manager is definitely not a________ , he does tend to pay a lot of compliments to t
13. The detective was hired to track down the greedy accountant who________ some of his company’s fu
14. Although the outsider was _____ and honest, many people in the town questioned his motives for s
15. In situations where there are no _____ rules, leaders and governors have to make decisions in th
2. If the pet owner doesn’t bother the cat, it will ________on the windowsill all day long.(A) fluct
二、語意測驗: 請依文意選出一個最適當的答案,每題 1 分,共 5 分。16. _____ Ikigai, loosely translated, means sense of purpose in
17. Contrary to popular belief, the light bulb, a mainstay of modern life, had been around years bef
18. Drones have become an increasing nuisance for airports worldwide in recent months, and good solu
8. The prince’s traitorous acts placed a shameful blot on the royal family _____.(A) escutcheon (B)