資訊推薦

• 20當功率因數為 1 時，則電壓與電流之相位差為下列何者?(A)0 度 (B)30 度 (C)60 度 (D)90 度
• 21一交流發電機，轉速 360rpm，產生電動勢的頻率為 60 赫，則其磁極為下列何者?(A)10 個 (B)20 個 (C)30 個 (D)40 個
• 22一 110 伏特配電系統中，接一有效功率為 80kW，無效功率為60kVR，則此負載之功率因數為下列何者?(A)0.6 (B)0.7 (C)0.8 (D)0.9
• 23R-L-C 並聯電路中，在諧振時，若欲使選擇性愈佳，則應下列何者?(A)增大 C (B)減少 C (C)增大 R (D)減少 R
• 39. 硝酸(HNO3)是一種強酸，下列有關硝酸的敘述，哪些正確?(A)硝酸遇日光或受熱會分解出無色的 NO 氣體，故其必須儲存於深色玻璃瓶中(B)銅 Cu(s)與濃硝酸反應可得紅棕色的 NO2 氣體
• 40.下列有關蛋白質與胺基酸的相關敘述，哪些正確？(A)最簡單的 α-胺基酸為胺基乙酸(B)組成蛋白質的各種 α-胺基酸均可在人體內自行合成(C)蛋白質是由多種 α-胺基酸以“醚基”所聚合而成的巨大分
• 4. 為了得到y= 的函數圖形，只需把 y＝cos x 圖形上的所有點往___平移 單位。試問上一行「___」要填入哪個字，才能使得該行敘述正確？(A) 上 (B) 下 (C) 左 (D) 右 。
• 24關於 Y 型連接的敘述，下列何者正確?(A)線電壓為 倍相電壓 (B)相電壓為 倍線電壓(C)線電壓為 倍相電壓 (D)相電壓為 倍線電壓
• 2. Ted likes to play sports, and _______ is his favorite.(A) baseball (B) deadline (C) facility (D)
• 4. Peggy: Do you have the _______? Tom: It’s five to eleven.(A) bank (B) date (C) mail (D) time
• 3. Taipei 101 is one of the famous tourist _______ in Taiwan.(A) attractions (B) functions (C) opera
• 5. Look! There are a lot of _______ shining brightly in the sky.(A) frogs (B) stars (C) roses (D) pl
• 6. The moon cake _______ delicious, and I ate three pieces in a row.(A) booked (B) picked (C) tasted
• 7. Thank you so much for helping me _______ my computer yesterday.(A) relate (B) repair (C) remind (
• 8. The manager accepted the proposal because it was practical and _______.(A) electric (B) negative
• 10. I don’t drink coffee after dinner, _______ I can’t sleep well during the night.(A) as (B) or (C)
• 9. For _______ reasons, the road by the river is often closed during a typhoon.(A) degree (B) health
• 11. Cathy demanded that Jack _______ the book he borrowed right away.(A) return (B) returns (C) retu
• 12. _______ was nice of you to help me this morning.(A) It (B) This (C) There (D) Those
• 13. Sam _______ a lot of pie yesterday.(A) ate (B) eats (C) eaten (D) eating
• 14. Mary _______ a teacher for ten years.(A) is being (B) will be (C) has been (D) would be
• 16. Eric: _______ do your sisters go to a movie? Jane: Once a month.(A) How many (B) How much (C) Ho
• 15. My dad keeps his shoes by the front door, but all of _______ are in the closet.(A) I (B) me (C)
• 17. This is the restaurant _______ we first met each other.(A) which (B) where (C) while (D) whose
• 19. Judy won’t go to the party _______ her friend Sarah goes, too.(A) before (B) unless (C) though (