資訊推薦

• 72. 石灰氧化鈦系電銲條的種類符號是(A)E4916(B)E4326(C)E4319(D)E4303。
• 73. 氬銲用皮手套最理想的是(A)二指式長統(B)五指式長統(C)三指式長統(D)五指式短統。
• 75. 鈦鐵礦系電銲條的乾燥溫度約為(A)400℃(B)100℃(C)300℃(D)200℃。
• 76. 金屬之接合需靠壓力之銲接法稱(A)銅銲法(B)熔銲法(C)壓銲法(D)鑞銲法。
• 74. 於營造工地潮濕場所中使用電動機具，為防止感電危害，應於該電路設置何種安全裝置？(A)自動電擊防止裝置(B)高容量保險絲(C)閉關箱(D)高感度高速型漏電斷路器。
• 77. 電弧中紅外線傷害眼睛易造成(A)角膜炎(B)白內障(C)青光眼(D)近視眼。
• 78. 何謂水足跡，下列何者是正確的？(A)水利用的途徑(B)消費者所購買的商品，在生產過程中消耗的用水量(C)水循環的過程(D)每人用水量紀錄。
• 79. 鉚接和銲接在施工上作比較，最大的優點為(A)不易變形(B)作業溫度低(C)不易硬化(D)可分段施工。
• 80. 為改善低合金鋼銲接，其預熱溫度應先以銲接位置的          來選擇。(A)可(B)劣(C)良(D)優
• 1.下列選項,用字完全正確的是:(A)好是好,只是不要酹虎鬚,反倒弄巧成拙(B)新冠肺炎疫情燃燒,各國都出現米珠新貴的現象(C)老江十分關心社會環境,勇於針貶時弊(D)試使山東之國與陳涉度長絜大,比權
• 2. The phone _______ constantly since Jack announced his candidacy for president this morning.(A) ha
• 8. The weather was so damp that moisture seemed to ____ everything: curtains hung limp, towelswouldn
• 4. Four miles off the southeastern coast of Massachusetts _____, a popular summer resort.(A) lies th
• 11. The math teacher _____ his explanation of the problem several times because his students werehav
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• 7. Although flies live longest in cool temperatures, they breed _____ when temperatures are warm,foo
• 3. While I _____ TV last night, a mouse ran across the floor.(A) watch (B) watched (C) have been wat
• 14. In recent years, the government has imposed pollution controls on automobile manufacturers.Both
• III. Close: Please choose the best answer to fill in the passage. 15 points     Books are to mankind
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• 6. George is _____ Lisa.(A) marry with (B) marry to (C) married with(D) married to (E) marry
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• 13. He’s got a _____ mind and is therefore open to different ideas.(A) liberal (B) lunatic (C) morbi