資訊推薦

• 1. 公制螺紋牙角為60°之代號為 (A)M 　(B)W 　(C)UNF 　(D)UNC
• 15. ( )△ABC 中，若∠A：∠B：∠C＝2：3：4，若 O 為△ABC 的外心，則∠AOB＝？(A) 80° (B) 120° (C) 160° (D) 160°或 200°。
• 78. 下列哪些是屋內配線設計圖之配線類設計圖符號？ (A) (B) (C) (D) 。
• 16. ( )如圖，圓 O 為△ABC 的外接圓，則下列敘述何者正確？ (A)∠A 的角平分線必通過圓心 O (B)的垂直平分線必通過圓心 O(C)圓心 O 到△ABC 三邊的垂直距離相等 (D)△O
• 14、請問 是96 的幾倍?(A) 1 (B) 3 (C) 32(D)
• 31.有一電路如【圖 31】所示，電源電流 i(t)＝2sin(377t)A，則下列敘述何者正確？ (A)總阻抗為 25∠36.7 Ω (B)電源電壓 (C)電源電流相位領先電源電壓相位 36.7 (
• 15. 如下圖，已知 是∠ABC的角平分線，且 ，若ΔADE周長為 16， ，則ΔABE周長是多少？ (A) 20 (B) 22(C) 24 (D) 30AD EB C
• 3.( ) 如下圖(二)，△ABC 中， = 24，∠ABC＝90°，G 點為重心，O 點為 的中點，求 =？ (A) (B) (C) (D)
• 17.( )如圖，O 點在 上，且 O 點為△ABC 與△BCD 的外心，若∠D＝130°，求∠COA 為何？ (A) 50° (B) 60° (C) 80° (D) 90°。
• 32.有 A、B 兩個燈泡，額定電壓均是 100V，A 燈泡額定功率 20W，B 燈泡額定功率 25W；今將兩燈泡串聯後，接在電源電壓 180V 上，則下列敘述何者正確？(A) A 燈泡兩端電壓為 8
• 33.下列何者為電能的單位？(A)焦耳 (B)瓦特 (C)庫倫-伏特 (D)度電
• 34.如【圖 34】所示電路，可變電阻 RX原本值為 5Ω，下列敘述何者正確？ (A)將 Rx 調成 10Ω 時，Va 變高(B)將 Rx 調成 20Ω 時，Va 小於 Vb(C)將 Rx 調成 1Ω
• 101. 高速鋼車刀切削時，其耐熱溫度約為攝氏多少度？ (A)600度 　(B)800度 　(C)1000度 　(D)1200度
• 15、解 的步驟中，下列哪一個步驟開始發生錯誤?(A)x- =-6+4(B) 6x─x＝─2 (C) 5x＝─2 (D)x＝─
• 2. A:____________ B: That’s Jenny. She’s practicing the violin.(A) Don’t laugh at me. (B) What’s tha
• 3. A: Murphy owns a company now. _______________B: Same here. He was just a worker not long ago.(A)
• 4. A: What’s your plan for this Saturday?B:______________(A) I like working at a factory. (B) I trie
• 5. A: You’re free, right? _____________ B: OK, I can help you. I don’t have much to do now.(A) Just
• 6. A:_____________ B: Yes. My daughter is his student, and she likes his class very much.(A) Is work
• 7. When the baby cried, Mr. Wu _____ in the kitchen and didn’t hear it.(A) was cooking (B) cooked (C
• 8. Excuse me. I really need to go now. My kids _____ for me at school.(A) are waiting (B) were waiti
• 9. Peter and Carl are talking about _____ to the movies next Sunday.(A) to go (B) going (C) go (D) g
• 10. Hans forgot _____ breakfast this morning, so he is really hungry now.(A) ate (B) eating (C) eats
• 11. Playing games and leaving messages(訊息)on the cellphone _____ popular with high school students.(
• (一)Yesterday was a holiday. Peter and Bob did a lot of things.【題組】( )1. What did Bob do before break