資訊推薦

• 65. 量測絕緣電阻，下列何者為正確 (A)使用電流表量測 (B)開啟電源量測 (C)必須先關閉電源，斷開接續線路量測 (D)直接量測 。
• 66. 起重機運轉時，當絕緣電阻值異常，下列何者為非 (A)電機線路電流異常升高 (B)導致保護電路跳脫停機 (C)導致溫升熔燒 (D)導致電壓異常升高 。
• 67. 電動機的絕緣電阻與接地線 (A)兩者息息相關 (B)僅具一者即可 (C)沒關聯 (D)無功能 。
• 68. 24 歐姆與 12 歐姆並聯後總電阻值是 (A)4 歐姆 (B)6 歐姆 (C)8 歐姆 (D)36 歐姆 。
• 69. 50 馬力直流電動機運轉電功率為 (A)370W (B)37.3KW (C)50KW (D)500W 。
• 70. 吊掛作業安全係數的基準點是 (A)斷裂荷重 (B)平均荷重 (C)動態荷重 (D)瞬間荷重 。
• 71. 伸臂起重機迴轉時會造成工作半徑加大的力稱為 (A)向心力 (B)離心力 (C)力偶力 (D)平行力 。
• 72. 起重吊掛作業中會造成起重機翻倒的力，稱為 (A)力偶力 (B)翻倒力矩 (C)安定力矩 (D)迴轉力矩 。
• 73. 伸臂起重機吊著荷物做吊臂伏下動作時會增加 (A)翻倒力矩 (B)安定力矩 (C)扭轉力矩 (D)壓縮力矩 。
• 74. 起重機的過捲預防裝置是 (A)強制性的規定 (B)參考性的規定 (C)警告性的規定 (D)未規定 。
• 75. 以螺桿與行走環模擬捲筒運轉方式，間接控制危險點的過捲預防裝置是 (A)螺桿式 (B)凸輪式 (C)重錘式 (D)連桿式 。
• 76. 以圓盤與凸輪模擬捲筒運轉方式，間接控制危險點的過捲預防裝置是 (A)螺桿式 (B)凸輪式 (C)重錘式 (D)連桿式 。
• 16. My teacher always says, ”If you don’t______my words, you can ask for help.”(A) use (B) think (C)
• 17. Everyday, I______ up at 6:30 and eat breakfast at7:00. I always go to school on time.(A) wake (B
• 18. It will be very cold tomorrow. Wear a hat and socks tokeep yourself______ .(A) wet (B) warm (C)
• 19. Jenny got married with me five years ago. She is agreat______ . We have two lovely children.(A)
• 20. Ms. Chen is kind, but she would be very______when she checks her students’ homework.(A) proud (B
• 21. People can look for a lot of information they want onthe______ . For example, if you want to go
• 22. It is______ for people to order food fromFoodpanda or UberEats. They don’t have to go to therest
• 23. It is raining ouside. Don’t ______to bring anumbrella with you.(A) pray (B) forget (C) worry (D)
• 24. It is not good to read in the dark. So my mom is goingto buy a______ for me. Then I can see more
• 25. The famous architect(建築師) designed many______buildings in the world； for example, Taipei 101.(A)
• 26. A: The big test is coming. I plan to study inthe ______. Do you want to go with me?B: Good idea!
• 三、 語法與對話 27. It is easy for visitors______ the train tickets in theconvenience store in Taiwan.(A) b
• 28. A: What are we going to______ on Mother’s Day?B: We can take Mom to dinner and buy some flowers.