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• 20. 附圖為樹木枯死後，其中碳14（母元素）衰變成氮14（子元素）之母元素剩餘比率和時間的關係，若發現一古老樹木母其元素剩餘比率為12.5%，求其此樹木死亡多久？ (A)5730 (B)11460
• 【題組】44 (A) double (B) different (C) direct (D) determined
• 【題組】⑸掃流過濾與垂直過濾（cross-flow and dead-end filtration）
• 【題組】【　　】(4)各寡占廠商建立共同銷售中心。
• 【題組】⑵若低於⑴中所描述的取樣頻率，在頻譜上會有何現象或問題發生？請畫圖舉例描述。
• 【題組】⑵續⑴，此時出口物流中 A、B 及 C 的濃度各為多少？（10 分）
• 【題組】45 (A) get together (B) turn over (C) come across (D) put together
• 31 New headphones, with the ability to _____ and record your heart rate whenever you are wearing the
• 【題組】【　　】(5)加油站競爭降價搶客人。
• 37 The incident caused 964 residents in nearby areas to visit hospitals___________ feeling sick, vom
• 第 46 題至第 50 題為題組American families are different today than they were 100 years ago. The biggest diff
• 38 Susan___________ to lock the door before she went to bed.(A) forgets (B) forgotten (C) has forgot
• 【題組】47 According to the passage, why were families in the past bigger than families today?(A) They w
• 【題組】⑵說明並比較kA, kB, kC之相對大小。（8 分）
• 39 Mary sounded __________when I talked to her on our ride home from the office.(A) tires (B) tired
• 【題組】48 According to the passage, which of the following statements is the reason why some American p
• 【題組】⑶畫出熱通量（heat flux）對 x 軸之函數示意圖。（9 分）
• 40 We have had some__________ hot days this summer, with the temperature going up to 40 degrees Cels
• 【題組】49 According to the passage, which of the following statements is true?(A) None of the unmarried
• 【題組】⑶排氣中之SO2濃度為多少ppm？（5 分）
• 四、對於膜（membrane）分離技術及結晶技術，請解釋下列名詞：（每小題 5 分共 25 分）【題組】⑴對稱膜與非對稱膜（symmetric and asymmetric membrane）
• 【題組】50 According to the passage, which of the following statements is related to the change of US fa
• 三、某工廠廢氣內含有粒徑 0.5 μm、濃度 120 mg/m3之微粒，其流量為 5 m3/s，今以平板型靜電集塵器處理之，處理後之微粒濃度為 10 mg/m3。此靜電集塵器共有 4 個平板，長寬各為
• 【題組】⑵透析（dialysis）與電透析（electro-dialysis）
• 【題組】⑶滲透（osmosis）與逆滲透（reverse osmosis）