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數學 國中

請問20、21、25跟非選2詳解 謝謝你們

文: 請閱讀下列敘述後,回答24~25題: 在經濟學上,常用恩格爾係數(Engel Coefficient)來討論某地區的人口物質生活水 平,恩格爾係數是指家庭支出中,飲食費用所占的百分比。依十九世紀德國經濟學家 恩格爾的理論,所得愈多,其用於飲食費用的支出比值愈小;反之,所得愈少,用於 飲食費用支出比值愈大。恩格爾將物質生活水平類型分類如下: 物質生 貧困 活水平 R fit 溫飽 小康 寬裕 富裕 R>60% 50%<R≤60% 40%<R≤50% 30%<R≤40% R≤30% 恩格爾係數R= 飲食費支出總額 消費支出總額 X100% C ) 24. 如圖(十五),曉華將家裡去年的消費支出繪製成折線圖, 若依據恩格爾的理論,曉華家去年的物質生活水平為下列 哪一類? BR (A)溫飽 (B) 小康 (C)寬裕 (D) 富裕 100 287100 0.32 28/90 84 60 消費金額(萬元) 2086420 4 食衣住行娛其 圖(十五) 25. 已知某城鎮於西元2013年度的消費支出總額平均為32萬元,其中飲食費支出佔 了 62.5%,物質生活水平屬於貧困等級。若接下來該城鎮每年消費支出總額平均 增加1萬元,每年飲食費支出平均增加x萬元。政府於每3年重新計算該城鎮的 恩格爾係數,發現該城鎮的物質生活水準變化為貧困(2013年)、溫飽(2016年)、 溫飽(2019年)、小康(2022年),則x之值可能為下列何者? (A) 0.05 (B) 0.25 (C) 0.31 (D) 0.38 62.5 32 = 0.625 × 32 X=20 1250 1975

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英文 高中

想問12,為什麼不是B是D?

1.. 試卷 考科 ment I the 參考試卷 英文考科 第11至15題為題組 elaborate 19 •fictional 第2頁 共10頁 April Fools' Day, one of the most light-hearted days of the year, has an unclear origin. Some see it as a celebration related to the turn of the seasons from winter to spring; others, however, believe that it 11 the adoption of a new calendar. Ancient cultures celebrated New Year's Day on or around April 1, which roughly coincides with the beginning of spring. In 1582, Pope Gregory XIII ordered a new calendar, which called for New Year's Day to be celebrated on January 1. However, many people, either refusing to accept the new date or not having heard about it, to celebrate New Year's Day on April 1. Other people began to make fun of these traditionalists, sending them on "fool's errands" or trying to fool them into believing something false. 13, the practice spread throughout Europe and the rest of the world. 12 Nowadays, on April Fools' Day, people often 14 to create elaborate hoaxes to fool others. Newspapers, radio and TV stations, and websites have participated in the April 1 tradition of making 15 reports in order to fool their audiences. The BBC once reported that Swiss farmers were experiencing a spaghetti crop and showed scenes of people harvesting noodles from trees. Guess what? A great number of viewers were fooled. (A) leads to (B) brings out DB(A) continue (B) continuing (C) stems from (C) to continue (D) comes across B 13. (A) Precisely (B) Eventually (C) Additionally buy B(A) come to an end (B) go to great lengths AS 15. (A) fictional 第16至20題為題組 (B) essential (C) put in service (C) ancient (D) continued (D) Literally (D) hold in store (D) subjective

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