資訊推薦

• 【題組】39 (A) as (B) for (C) to (D) in spite of
• 【題組】47. Where did Mr. and Mrs. Stevens have some exciting travel experiences?(A) Italy(B) France(C)
• Dear Mr. and Mrs. Stevens,      Thank you very much for inviting me to dinner last week. I certainly
• 【題組】48. What does Nick Gregory feel sorry for?(A) He did not drive to their house.(B) He did not lea
• 4. A disk with a radius of 2.0 m and a rotational inertia of 0.40 kg·m2rotates with an angular speed
• 【題組】50. What kind of letter it was?(A) A recommendation letter.(B) A goodbye letter.(C) A thanksgivi
• 1. 下列有關細胞分裂的敘述，何者正確？ (A)不具中心體的細胞不會產生紡錘絲(B)有絲分裂及減數分裂的中期時，染色體都會排列在中央的細胞板上 (C)第一次減數分裂的前期及中期染色體都有聯會現象 (D
• 5. A violin is played with an initial intensity  Ii  changing to a final intensity If. If If = 5 Ii
• 6. An engine is designed to obtain energy from the temperature gradient of the ocean. What is the th
• 7. If 10 kg of ice at 0 oC is mixed with 100 kg of water at 80 oC and is additionally heated with 46
• 【題組】49. Which of the following was not served at dinner?(A) carrots(B) bread(C) potatoes(D) roast be
• 8. Some species of whales can dive to the depth of one kilometer. What is the approximate total pres
• 9. A proton moves around a circular path (radius = 2.0 mm) in a uniform 0.25 T magnetic field. What
• 11. A 2.0 kΩ resistor and an initially uncharged 6.0 μF capacitor are connected in series to a 12 V
• 12. A 3 μF capacitor is connected in series with a 6 μF capacitor. When a 300 V potential difference
• 11. 如下圖所示之桁架，求桿件 CE 之軸力為何？ (A) 6 kN (壓力) (B) 6 kN (拉力)(C) 8 kN (壓力) (D) 8 kN (拉力)
• 10. A current loop freely rotates in a uniform magnetic field (B = 0.50 T). The maximum torque on th
• 40. 一滑車作直線運動，在時間 t＝0 s 時的速度為 5 m/s，方向向東；t＝5 s 時的速度為 10 m/s，方向向西，則此滑車在 t＝0～5 s 期間的平均加速度為下列何者？(A) 1 m/
• 12. 如下圖所示之桁架，受外力 P 作用，其內力為零的桿件共有幾根？ (A) 5(B) 4(C) 3(D) 0
• 2. 有關材料之冷加工與熱加工，其分界溫度為何？(A)回復溫度 (B)淬火溫度 (C)再結晶溫度 (D)晶粒成長溫度
• 3. 金屬材料在冷加工時，隨著加工程度的增加，會產生材料強度增加的現象，下列何者符合上述說明？(A)細晶強化 (B)應變強化 (C)固熔強化 (D)析出強化
• 4. 洛氏硬度試驗中，有關洛氏B級(HRB)之敘述，下列何者正確？(A)施加負荷為60 kg (B)施加負荷為150 kg(C)壓痕器為鑽石圓錐 (D)壓痕器為1/16英吋鋼珠
• 5. 一標距內截面為25 cm2之鋁合金拉伸試棒，經拉伸破斷後，量取破斷面截面積為15 cm2，試問該鋁合金的斷面收縮率為多少%？(A)20(B)40(C)60 (D) 80
• 6. 在拉伸試驗中，使材料呈現永久變形所需之最小應力為何？(A)潛變強度 (B)抗拉強度 (C)疲勞強度 (D)降伏強度
• 7. 下列何種反應屬於共晶反應？(式中L為液體，α、β、γ分別為固熔體)(A) L→α＋β (B) L＋α→β (C) γ→α＋β (D) γ＋α→β