問題詳情
3.下列關於同位素（isotopes）的敘述，那些正確？①有相同原子序 ②有相同中子數 ③有相同化學性質 ④有相同質量數
(A)②③
(B)①③
(C)①②
(D)①④
(A)②③
(B)①③
(C)①②
(D)①④
參考答案
答案：B
難度：簡單0.782609
統計：A(0),B(36),C(1),D(7),E(0)
內容推薦
- 一、單字測驗:請在四個選項中，選出正確的答案。(一)第一課:同樣的 a. : (A) similarly (B) similar (C) similarity (D) strange
- 26 核種之生物半衰期及有效半衰期分別為 8 小時及 4 小時，試問該核種之衰變常數（decay constant）λ（h-1）為何？(A) 0.086 (B) 0.076 (C) 0.066 (D)
- 下列何能譜是單能（mono energy）者？(A)制動輻射(B)β-衰變放出β-粒子(C)β+衰變放出β+粒子(D) α衰變的α粒子
- 下列何者不是間歇性正壓呼吸器（IPPB）無法引動（Trigger）之原因？(A) 病人呼吸太快(B) 未接上 50psi 之氣體來源(C) 系統漏氣(D) 敏感度設定不當
- 承上題附圖，箭號所指最可能的解剖構造為何？(A)right major fissure(B)right minor fissure(C)left major fissure(D)left
- 25 Ge(Li)偵檢器是屬於下列何種偵檢器？(A)半導體偵檢器 (B)充氣式偵檢器 (C)閃爍偵檢器 (D)熱發光劑量計
- 造成跟效應（heel effect）的主要原因為何？(A) X光穿越靶極的厚度不一(B)X光管所加的電壓不均勻(C)靶極材料靠陽極端較容易散熱(D)靠陰極端之真空度較佳
- 下圖中之吸氣流量是何種型態？ (A) Decelerated flow(B) Constant flow(C) Sine wave flow(D) Accelerated flow
- 98 右圖超音波影像來自一名妊娠 28 週的胎兒，請依圖選出最可能之診斷？ (A) Anterior fossa cyst(B) Dandy-Walker malformation(C) Holopr
- 33 磁振造影的技術中，需要使用到 RF（radio frequency）的脈衝，下列何者可使磁矩偏轉到所需要的角度？(A)電場 (B)磁場(C)電場和磁場同時作用 (D)電場或磁場，其中任一個場存在
內容推薦
- 下列何種熱發光劑量計之有效原子序和人體組織較接近？(A)CaSO4(B) LiF(C)CaF2(D)NaI
- 57 這是一位慣用右手的 68 歲男性的腦部電腦斷層（沒打顯影劑），他的語言障礙最可能是： (A)能了解別人所說的話，但不能表達(B)講話流利，但不能了解別人所說的話(C)不能了解別人所說的話，也無法
- 下列關於光子與物質作用而產生散射的敘述，何者正確？(A)古典散射：針對單一電子，且該電子是運動的，無涉及能量轉移(B)Klein-Nishina散射：針對單一電子且該電子是運動的，有涉及能量轉移
- ()During the summer vacation, Jack and his grandparents grow ________ to each other.(A)closer
- ()The school demands that the students ________ a foreign language.(A)to learn(B)learn(C)lear
- ( )Because the company sold more and more products, its business was able to grow steadily.(A
- ()It ________ strange to wear a sweater on a hot summer day.(A)is considering(B)considers(C)c
- (2) ＝______。
- ()The parents didn’t believe ________ their son stole the toy.(A)which(B)that(C)who(D)what
- (A) at(B) for(C) in(D) out
- 四、ENJOY字彙（5%）( ) The training course _____ of 42 hours of instruction over a period of six we
- ()Catherine demanded that Carl ________ the book he borrowed right away.(A)returned(B)return
- 芮氏地震規模量級中，強度與能量的關係為r＝f (x)＝log10 x，其中r為強度，x為地震散發的能量。試問：強度8的地震散發的能量是強度8級地震散發能量的______倍。
- ()Coco is a smart girl, but her brother is ________ smarter than her.(A)very(B)more(C)much(D)
- Over the years, Aoki has noted that __(46)__ Japan and Taiwan are near to each other, there are m
- ( ) Everyone knows that smoking is _____ to your health as well as other people's.(A) ca
- 四、計算題：(每小題4分，共十六分；請寫明計算過程，否則不予計分)設f(x)=4x-4✕2x+5，0≤x≤2，求：(1)2x的範圍？
- ()Did you hear someone ________ last night?(A)to sing(B)sung(C)singing(D)sings
- ()As Mary grows more ________ John, she realizes that she has fallen in love with him.(A)atta
- ()Julia wants to take a trip to America, so she _______ learning English.(A)results in(B)pass
- ( ) Mike enjoys learning about past cultures, especially _____ Rome and Egypt.(A) ancient(B)
- (2)f(x)的最小值與最大值？
- ( )Never _________ Tom curious about anything around him.(A)does(B)has(C)is(D)
- ()How much ________!(A)the car spends(B)does the car cost(C)the car costs(D)has the car cost
- ()The player _______ the belief that he will win the game.(A)adds up to(B)holds on to(C)catch