資訊推薦

• 13. What is the IUPAC name of the following compound? (A)( E )-3-methylpent-3-ene(B) (Z)-3-methylpen
• 50. 以下何者為企口縫(A) (B) (C) (D)
• 64 在放射免疫分析中，以標幟放射性物質的抗原與未標幟放射性物質之抗原同與一定量的抗體做競爭性的結合，其中所給予抗體的量必需為？(A)不足以讓所有的抗原與之結合 (B)不足以讓標幟放射性物質的抗原與之
• 65 放射免疫分析常被用來標幟抗原的放射性同位素為何者？(A) (B) (C) (D)以上皆可
• 14. Which pair listed below is a Lewis acid-base pari?(A) 2,6-di-tert-butylpyridine + HCI(B) BF3 + e
• 15. Which statement is correct for the reaction shown below? 1-chloro-2,4-dinitrobenzene + NaOH → 2,
• 16. Assuming the ionization energy of a hydrogen atom is E, estimate the 4f orbital energy fora Li2+
• 17. Which of the following compounds is a suitable base to prepare ester enolate of ethylacetate?(A)
• 18. In a solution of aspartic acid (pKa=7.4) adjusted to a pH of 2.74,(A) the ration of asparate to
• 19. Addition of Br2 to ( E )-hex-3-ene produces_________.(A) A meso dibromide.(B) A mixture of enant
• 20. Which of the following compounds has the most negative heat of hydrogenation?(A) 14-hexadiene (B
• 21. Which compounds is the most stable?(A)1,4-pentadiene (B) trans-1,3-pentadiene (C) trans-1,4-pent
• 22. The Diels-Alder reaction is a concerted reaction； this means:(A) A mixture of endo and exo produ
• 23. Which of the statements below correctly describes an achiral molecular?(A) The molecule has a no
• 24. The reaction conditions to carry out the production of cyclopentene usingbromocycylpentane as th
• 25. Which is the reaction major product when benzene reacts with propene in the presence ofHF?(A) pr
• 1.關於土地開發前後之差異比較，下列敘述何者錯誤？(A)土地開發後，可能使得地表逕流量增加(B)土地開發後，可能使得地表逕流之洪峰發生時間提前(C)土地開發前，逕流係數(runoff coeffici
• 2. 夏季棉、麻服裝的整燙，最適當的溫度是：(A)低溫(B)中溫(C)高溫(D)任何溫度皆可。
• 3. 一般人生活產生之廢棄物，何者屬有害廢棄物？(A)鐵鋁罐(B)廢玻璃(C)廚餘(D)廢日光燈管。
• 4. 滾邊時，縫份應留(A)0.7 公分(B)0.5 公分(C)1 公分(D)不留縫份。
• 5. 裁剪長褲時，應先排置：(A)前後片布(B)口袋布(C)腰帶布(D)零件用布。
• 6. 杜邦公司製造了第一個人造彈性纖維，其商品名稱為(A)Arnel(B)Lycra(C)Rubber(D)Lurex。
• 7. 一般而言，肩的傾斜度，普通的人所呈的度數是：(A)8～10 度(B)22～23 度(C)5～8 度(D)沒有任何傾料度數。
• 8. 下圖接片裙之版型，其腰線弧度與脇邊線形成呈 (A)水平(B)直角(C)鈍角(D)銳角。
• 16. Continued from the above problem, what is dmaldr? ( -molecular weight of A,ma-mass of particle (