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• 15. 如圖(七)所示，衝壓機在鋼板上做圓孔衝壓加工，假設衝壓機的衝頭直徑 d=20mm、鋼板厚度 t = 3mm。若所需之衝擊力 P= 30 π kN，則鋼板的平均剪應力 τ 及衝頭的平均壓應力 σ
• 44. 氣壓設備的注油器係使用何種裝置來調整滑油的注油量？(A) 節流閥 (B) 旁通閥 (C) 蝶閥 (D) 針閥
• 40. 圖(二十四)為噴射引擎的噴油嘴電路及電壓v 的波形，若引擎每轉2轉，此噴油嘴噴油1次，則引擎轉速最接近多少？(A) 900 rpm(B) 1200 rpm(C) 1800 rpm(D) 210
• ▲ 閱讀下文，回答第 6 −10 題The most obvious reason for avoiding cell phone use by drivers is to save lives. C
• ▲ 閱讀下文，回答第 11−15 題Do you know that factories in Taiwan have to pay a new tax? According to the new l
• 【題組】2. (A) On purpose (B) On average (C) On one hand (D) On the contrary
• 【題組】4. (A) servant (B) shepherd (C) species (D) spouse
• 【題組】3. (A) In fear of (B) On behalf of (C) For the sake of (D) In spite of
• ▲閱讀下文，回答第 16−20 題Bumblebees are social insects that form colonies with a single queen. They have rou
• 【題組】15. (A) both elders and children (B) either elders or children(C) neither elders nor children (D
• 【題組】17. Which of the following factors is harmful to bumblebees?(A) cold weather (B) native flowers
• 【題組】8. (A) endanger (B) enroll (C) endeavor (D) entitle
• 【題組】9. (A) proceeded (B) prohibited (C) profiled (D) provoked
• 【題組】7. (A) belongings (B) chariots (C) declarations (D) pedestrians
• 【題組】10. (A) ban (B) bid (C) bet (D) beg
• 【題組】18. According to the passage, which of the following statements is NOT true?(A) Bumblebees are b
• 【題組】12. (A) immigrate (B) impress (C) implement (D) imprison
• 【題組】13. (A) adored (B) affected (C) amused (D) applauded
• 【題組】5. (A) refunded (B) referred (C) refined (D) refuted
• 【題組】19. According to the passage, which of the following statements is true?(A) The development of w
• 【題組】14. (A) healthful (B) heavenly (C) harmonious (D) hazardous
• 【題組】20. According to the passage, what is the potential concern with overemphasizing climate change?
• ▲閱讀下文，回答第 21−25 題To patients, the source of hope is the doctor itself and the resources held by the
• 【題組】22. According to the passage, who best interprets the meaning of hope?(A) Humpty Dumpty (B) Samu
• 【題組】23. According to the passage, which of the following is closest to the meaning of “to hope again