資訊推薦

• 30. 在一般皮帶輪傳動中帶輪的輪面，常製作成中央隆起之形狀，其主要目的為何？ (A)減少帶輪震動 (B)增加帶輪強度 (C)防止平皮帶脫落 (D)增加傳動速率
• 31. 摩擦輪傳動是屬於何種運動對？ (A)高對 (B)低對 (C)力鎖對 (D)螺旋對
• 32. 有關起重滑車的敘述，下列何者敘述正確？ (A)與槓桿相同的作用原理 (B)動滑車可改變施力方向但不能改變作用力大小 (C)惠斯頓差動滑車的定滑輪二槽輪直徑差愈大機械利益愈大 (D)惠斯頓差動滑
• 33. 下列哪一種彈簧吸收負載的能量最大且常用於卡車的避震裝置？ (A)單片彈簧 (B)疊板(板片)彈簧 (C)螺旋扭轉彈簧 (D)拉伸彈簧
• 34. 當一圓沿著一直線或圓周滾動時，此圓的圓周上一點的軌跡稱為何種線條？ (A)漸開線 (B)阿基米德螺旋線 (C)擺線 (D)圓錐螺旋線
• 35. 在CNS工程製圖規範中，幾何公差符號 “○”表示為何種公差？ (A)圓柱度 (B)真直度 (C)真平度 (D)真圓度
• 2. What causes a differentiating B cell to become committed to producing only one species of antibod
• 18. 關於下列分子敘述何者正確? (A) I 和 II 為 enantiomers (B) III 和 IV 為 enantiomers (C) II 和 III 為 same compound (
• 3. Which of the following about neuron is incorrect? (A) It is a polarized cell. (B) Peripheral nerv
• 4. In the life cycle of an angiosperm, which of the following cells or tissues are diploids? (A) gen
• 5. The black dots that cover strawberries are actually individual fruits from a flower with multiple
• 6. During splicing, which major molecular component of the spliceosome catalyzes the excision reacti
• 7. Which of the following statements regarding the body plans of animal is correct? (A) Cnidarian ar
• 8. In a phylogenetic tree, a group is composed of some species but not their most recent common ance
• 9. Bioluminescence is an important strategy for attracting preys in which of the following marine zo
• 10. Which of the following descriptions regarding sensory receptors is correct? (A) Sense of smell i
• 11. Which statement is incorrect concerning protein translation? (A) Ribosomes in prokaryotic and eu
• 12. Testosterone is synthesized primarily by the ________. (A) Leydig cells (B) hypothalamus (C) spe
• 13. Which of the following orders regarding mammalian embryogenesis is correct?1. cleavage2. gastrul
• 14. Which of the following descriptions regarding the embryonic germ layers is correct? (A) Pituitar
• 15. Which of the following about chloroplasts and mitochondria is incorrect? (A) They are of the app
• 16. ________ are commonly referred to, respectively, as the 21st and 22nd amino acids. (A) Selenocys
• 17. Which of the following sequences is not found in an E. coli vector (such as pET21)? (A) replicat
• 18. Which of the following metabolic pathways is strictly anabolic? (A) glycolysis (B) gluconeogenes
• 19. Dihydrouracil and pseudouridine are found predominantly in ________. (A) mRNA (B) rRNA (C) tRNA