資訊推薦

• 39. 如圖(十三)所示電路，若Rx可獲得最大功率Pmax，則Rx及Pmax各為何？(A) Rx=1Ω，Pmax=36W(B) Rx=3Ω，Pmax=12W(C) Rx=1Ω，Pmax=6W(D) R
• 1. 勞工常處於高溫及低溫間交替暴露的情況、或常在有明顯溫差之場所間出入，對勞工的生(心)理工作負荷之影響一般為何？(A)減少(B)無(C)不一定(D)增加。
• 16. 如圖 ( 十三 ) 所示之稽納 ( Zener ) 二極體電路，其逆向崩潰電壓為 6 V， PZ為稽納二極體消耗功率，PL為負載RL功率，則下列何者錯誤？ (A) IL=0.3A (B) IR
• 44. 圖 ( 十八 ) 為一個物聯網的灑水系統流程圖，當系統在早上 10： 15 偵測到土壤濕度數值Hm=45，則灑水馬達何時會停止運轉？ (A) 10：40(B) 10：30(C) 10：20(D
• 40. 某公制測微計的精密度標示為 0.01 mm，測量範圍標示為 0 ～ 25 mm，直刻度盤分為50等分，測量某導線線徑時所顯示之測量值如圖( 十四) 所示，則此導線線徑之測量值為何？(A) 5.
• 2. 如圖(一)所示，有一物體其重量為 W，由一懸臂梁 AB 及一繩索 BC 所支承，若梁及繩索自重皆忽略不計，則下列梁 AB 之自由體圖何者正確？(A)(B) (C)(D)
• 51.計程車駕駛人,未向公路主管機關辦理執業登記,領取執業登記證,即行執業者,處新臺幣1,500元以上3,600元以下罰鍰。(A)O(B)X
• 23. 下列電路中，D1及D2的導通電壓(turn-on voltage)分別為2.5V及1.5V，若忽略未導通時之微小電流，並以虛線代表電流路徑，箭頭代表電流方向，則電流的表示何者正確？(A) (
• 17. NPN型電晶體於主動區(active region)工作時，其三接腳(B、C 及E)電壓(VB、VC及VE)之大小關係，下列何者正確？(A) VB＞VC＞VE (B) VC＞VE＞VB(C)
• 18. 於主動區工作之電晶體電流增益 α = 0.99，若射極電流IE = 10mA，漏電流ICBO = 5μA，則其集極電流IC值為何？(A) 0.005mA (B) 9.905mA (C) 10m
• 19. 如圖(十四)所示之電晶體直流偏壓電路，下列敘述何者正確？ (A) 為共射極固定偏壓電路 (B) 為共集極固定偏壓電路(C) 為共射極分壓偏壓電路 (D) 為共集極分壓偏壓電路
• 2. Every Saturday, the library holds talks on various ________ that include friendship, career,photo
• 3. I don’t feel ________ gossiping about Michael’s life because it is wrong to discuss other people’
• 7. A(n) ________ face is essential to dramatic acting because it is good at showing all kinds of emo
• 8. Henry has been very busy looking for a new job lately, so he hasn’t contacted his family foralmos
• 6. Mozart (莫札特) was a great musician who started to ________ music when he was very young.(A) compos
• 10. A medical report indicates that there is an association between high levels of stress and skin p
• 11. The government declared that the new city hall would be open to the public this summer.(A) annou
• 12. Rose: Hey, let’s go to Mama’s Kitchen for some food.Jane: Sounds great. ________Rose: No, it’s n
• 13. Alan: I’ve been looking for that book! Where did you get it?Betty:________ I just did a search o
• 14. Steve: So, have you made up your mind about a career?Becky: Pretty much. It’s going to be someth
• 16. Ken: Hello. This is Ken Wang. I bought a jacket on your website a month ago. I haven’treceived i
• 15. Mom: I think you have too much junk in your room. Why don’t you clean up right now?Mark: Junk? T
• 17. Jennifer: That was an interesting speech. I learned a lot!Shu-hua: Yes, although the topic was h
• 4. Computer technology ________ people to work at home effectively without having to go tothe office