資訊推薦

• 38. 超音波焊接是利用高頻率的超音波振動能作用於焊件的接合面，其與接合面作用的方向及產生的作用力為 (A)平行方向，正向力(B)平行方向，剪應力 (C)垂直方向，正向力 (D)垂直方向，剪應力。
• 39. 車床上使用方螺紋導螺桿，其目的在使 (A)使車刀不會發生振動 (B)傳達較大動力 (C)刀架傳動精確 (D)對合半螺帽容易與螺桿接合或分離。
• 40. 在電化學加工時，不希望有工件金屬電鍍在刀具上，而影響刀具的尺寸，這時我們會希望刀具(陰極)上，有最小的氧化電位。請問影響氧化電位的及決定反應發生的因素不包含哪一項？ (A)被加工金屬的種類 (
• 41. 加工時，無熱應力產生而不致影響機械性質的特殊加工法是？ (A)電化學 (B)雷射 (C)放電 (D)電子束 加工。
• 42. 在玻璃上鑽孔，應選擇 (A)放電加工機 (B)鑽床 (C)超音波加工 (D)火焰切割。
• 43. 下列何者不是在碳化鎢鑽頭上鍍覆金色氮化鈦薄膜的主要目的？ (A)提高表面硬度 (B)增加鑽頭壽命 (C)提高耐磨特性 (D)美觀。
• 44. 簡單齒輪系中，齒輪 2 驅動齒輪 3，齒輪 3 驅動齒輪 4，齒輪 4 驅動齒輪 5，令其上的齒數分為 N2、N3、N4、N5，則此嚙合的齒輪2 與齒輪 5 之角速度比為 (A)N5/N2 (
• 32 The murderer who brutally killed five people was _____ to death last week.(A) admitted (B) confir
• 33 Sharon told me that she could hardly _____ on the meager salary she earned at her full-time job.(
• 34 The mayor was forced to _____ after being accused of allegedly sexually harassing several women.(
• 35 The manager was found to _____ his coworkers into conducting illegal actions in the investigation
• 36 Most contemporary pleas for animal welfare _____ the termination of cruelty to animals.(A) abdica
• 37 The public punishment of the multinational e-commerce company is also an _____ or hidden warning
• 38 Because of common _____, closely related species may share some characteristics of collective beh
• 39 Research indicates that chronic fatigue is one of the _____ features that can cause depression.(A
• 40 Health providers in low and middle income countries often work in resource-constrained environmen
• 41 If you are laid off, you may apply for unemployment _____ to help you meet expenses while you see
• 42 During harsh winters, local people often suffer from _____, getting stuck in the severe snow stor
• 43 If the union is to launch an _____ strike, it is using a lot of time to force the company to conc
• 44 The profitability ratios are declining and the debt ratio is rising; _____, the financial conditi
• 45 The mission of the World Wildlife Fund is to conserve and reduce the most pressing threats to the
• 46 Depression in nursing homes can be due to a variety of stressors, e.g., loss of independence and
• 47 Modern dancers often perform _____ movements and gestures, which symbolize or suggest deeper mean
• 48 In contrast to abstract numbers, people tend to gravitate toward vivid information like examples
• 49 The lawyers expressed serious doubts about the _____ of imposing military regulations on civilian