資訊推薦

• 62 下列何種準直儀的幾何效率 (geometric efficiency Eg) 隨著射源與準直儀距離愈遠而明顯下降？(A) 針孔準直儀(B) 收斂型準直儀(C) 高解析度準直儀(D) 以上皆是
• 63 欲收集環繞 180°的資料，下列何者具較佳單光子斷層造影之敏感度？(A) 單頭(B) 平行雙頭(C) 垂直雙頭(D) 三頭（120°分布）
• 18 有關 Xe-133 肺造影的敘述何者為非？(A) 肺通氣造影之放射製劑(B) 常在肺灌注造影前進行(C) 光子能量約 80KeV(D) 常用前位造影
• 19 何種放射不適用在肺通氣造影？(A) Xenon-133(B) (C) Technegas(D) radioaerosol agent
• 1. Which of the following statements is FALSE?(A) Halogens are very reactive elements. (B) The alkal
• 31 下列以 C 程式語言撰寫之程式中，①②③分別可填入下列何種敘述，使其成為一個合乎語法之程式？ (A)① num ② num ③ num (B)① &num ② &num ③ num(C)① &n
• 64 下列何者不適用肺通氣造影？(A) (B) (C) (D)
• 2. The lack of financial support and the shortage of workforce have _____ the process of the project
• 3. There is no wonder that Greg is considered _____ since he always messes up tasks assigned, even t
• 4. The construction of the garbage incinerator was rejected by the locals due to the _____ smoke har
• 5. Walking is definitely a(n) _____ exercise. Studies show that walking at least 30 minutes a day ca
• 6. Flying in the air was once regarded as a ____ and crazy idea before the invention of airplanes.(A
• 7. Catherine is such a ____ person that all of her colleagues find it hard to work with her. Her pic
• 8. The audience ____ after witnessing the funny clown fell down on the stage.(A) haggled (B) guffawe
• 9. Tens of thousands of people protested on the street and demanded that their president with _____
• 10. She _____ for days, hoping to come up with the best answer to the difficult question.(A) serrate
• 1. Excellence Without a Soul, a book written by a Harvard professor, reveals that just focusing ongo
• 13.利用配方法將方程式x2-4x+2=0化成(xーh2)=k的形式,求h+k=?(A) 2(D)-2(B) 4(C)-4
• 14.好吃水果店的葡萄每500公克的價格為25元,蘋果3公斤的價格為150元。今甲選了一袋的葡萄,乙選了一袋的蘋果,秤後得知兩人所購買的水果重量恰相等。請問下列哪一個敘述是正確的?(A)甲需付比較多的
• 32 下列何者不是距離向量路由協定（distance vector routing protocol）的特性？(A)非同步路徑計算（asynchronous route computation）(B)
• 33 以下有關防火牆（firewall）的敘述，何者錯誤？(A)封包過濾防火牆（packet filter firewall）很難防禦「IP 位址偽裝」攻擊(B)應用代理防火牆（application
• 34 使用 Microsoft Windows 內建的合法 FTP server（伺服器）架設 FTP（File Transfer Protocol）站，下列那一個描述有誤？(A)因為使用合法之 FT
• 35 對於關聯式資料庫而言，所謂資料完整性（data integrity）是用來確保資料庫中資料的正確性及可靠性。下列何者並非關聯模型所允許定義之完整性限制條件（constraints）？(A)實體完
• 36 以下有關駭客攻擊的敘述，何者錯誤？(A)所謂灰帽駭客（grayhat hacker）是以類似駭客手法檢驗網路與系統安全的資訊安全專家(B)將機密資料移到網路伺服器存取的範圍外可以防禦搜尋引擎攻擊
• 37 以下何者屬於秘密金鑰密碼系統（secret-key cryptosystem）？(A) One-way Trapdoor system(B) AES（Advanced Encryption St