47. 下列哪一種圖檔格式支援背景透明影像及動畫功能？
(A)TIF
(B)JPG
(C)BMP
(D)GIF

48.阿廣於網路賣場選購一台 27 吋 LCD 廣視角螢幕，並支援 VGA/HDMI 介面、 Full HD 高畫質解析，其中 Full HD 的解析度為？ (A)1280 x 720 (B)1920 x 1080 (C)2560 x 1440 (D)4096 x 2160

49. 阿成收到老闆寄來的一個壓縮檔案，他可以使用什麼軟體解壓縮這個檔案？ (A)Dreamweaver (B)Excel (C)Winzip (D)小畫家

50. Windows 作業系統所提供的磁碟維護工具，不包括下列哪一種工具？ (A)磁碟清理 (B)磁碟檢查 (C)磁碟重組 (D)病毒掃描

1. 氮氧化物去除時採用選擇性觸媒還原法其還原劑為(A)氮氣，(B)氧氣，(C)石灰，(D) 氫氧化鎂，(E)尿素

2. 一般觸媒焚化處理的適合溫度為(A)200℃，(B)450℃，(C)600℃，(D)950℃，(E)1100℃

3. 通常標準活性污泥的食微比須控制在(A)0.1~0.2，(B)0.2~0.4，(C)0.4~0.6，(D)0.6~0.8， (E)0.8~1.0 kgBOD5/kg MLSS-day

4. 當過濾池水頭損失過大或出水濁度過高，需進行下列何項措施？(A)提高混凝劑劑量， (B) 降低出水量，(C)反沖洗，(D)更換濾料，(E)移除部分濾料

5. 活性污泥法之 SVI 應控制在(A)10，(B)50，(C)100，(D)200，(E)300 mL/g 左右最佳。

1. ACC Company manufactures part BC101 used in several of its engine models. Monthly production costs for 1,090 units are as follows:  It is estimated that 6% of the fixed overhead costs assigned to BC101 will no longer be incurred if the company $111L000 purchases BC101 from the outside supplier. ACC Company has the option of purchasing the part from an outside supplier at $94.75 per unit. While the company accepts the offer from the outside supplier, what are the monthly avoidable costs (costs that will no longer be incurred) total? (A) $90,320 (B)$89,000 (C) $111,000(D) $112,320

2. Jason Cleaners has been considering the purchase of an industrial dry-cleaning machine. The existing machine is operable for three more years and will have a zero disposal price. If the machine is disposed now, it may be sold for $170,000. The new machine will cost $360,000 and an additional cash investment in working capital of $170,000 will be required. The new machine will reduce the average amount of time required to wash clothing and will dectease labor costs. The investment is expected to net $130,000 in additional cash inflows during the first year of acquisition and $290,000 each additional year of use. The new machine has a three-year life, and zero disposal value. These cash flows will generally occur throughout the year and are recognized at the end of each year. Income taxes are not considered in this problem. The working capital investment will not be recovered at the end of the asset's life. Please answer the following questions. What is the net present value of the investment, assuming the required rate of return is 6%? Would the company want to purchase the new machine? (A) $264,290； yes (B)$243,489.592； yes (C)S($243,489.592)； no(D) $($264,290)； no

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