資訊推薦

• 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
• 35.如【圖 35】所示電路，下列敘述何者正確？ (A)總電流 I=7A (B)流入 3Ω 之電流為 4A(C) 12Ω 消耗之功率為 12W (D) R1、R2、R3 所消耗的功率比值為 16:4:
• 16. 已知直角三角形的三邊長分別為 6、a、b ( a、b 為正整數，且 b 是斜邊)，則(a+b)必為下列何者的因數？(A) 16(B) 24(C) 25(D) 36
• 79. 下列哪些是屋內配線設計圖之電燈、插座類設計圖符號？ (A) (B) (C) (D) 。
• 17. 如下圖，圓 O 內有多個三角形，則 O 點不是下列哪一個三角形的外心？(A) ΔDEF (B) ΔBGF (C) ΔCDE (D) ΔADE
• 【題組】( )2. What did they both do at about ten thirty a.m.?(A) They went shopping with their mothers.
• 【題組】( )3. What was Peter doing when Bob was playing computer games?(A) He was talking to his friend.
• 【題組】( )4. Which is true?(A) Peter had lunch at seven, but Bob didn’t. (B) Mrs. Lin is Peter’s mother
• 18. ( )如圖，A（0，8）、B（－6，0）、C（6，0）為坐標平面上三點，則△ABC 的內心坐標為何？ (A)（0， ） (B)（0， ） (C)（0，3） (D)（0， ）。