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英文 大學

哪一個段落沒有主題句？ 我覺得是第一個，對嗎？ 要怎麼替這個段落寫出主題句呢？

2 Despite different home cultures and countries, international students' main overall motivation is the desire get out on their own, to carve out a new direction in their lives. "Foreign students" do not casually abandon the comforts of family and cultural ties; they have done their homework on Canadian schools. All their preparation, though, cannot prepare them for the loneliness and ongoing difficul- ties they face, from cold winters to financial issues related to the higher tuition fees they must pay. Some students, though, emigrate to escape those same tight- knit families and bonds that others find so painful to leave behind. A Macleans "On Campus" report notes that family expectations may be opposed to students' visions for themselves and lead them to reject accepted values and career paths in their hometowns and countries. Csilla, a web-design student at Waterloo admits, "I was always supposed to enter my family's restaurant business in Budapest, but I felt suf- focated even working part-time as a server. Web design is my passion, and I wanted 12: CAUSE OR EFFECT [- a completely fresh start, something that is completely my own ("International Stu- dents"). Finding independent paths to their own dreams is the key here, whether students choose those paths as a result of personal ideals or as a reaction to pre-set future plans.
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數學與統計 大學

不好意思可以問一下！這題有沒有會嗎！謝謝🙏

19. 汽車維修花費 汽車維修花費不斷上升,2015 平均維修花費為 $367 (U.S. News & “也是或World Report website)。假定汽車維修花費是常態分配,標準差為 $88。回答以下關 於汽車維修費的問題。 a. 維修花費超過 $450 的機率是多少? b. 維修花費低於 $250 的機率是多少? k c. 維修花費介於$250到$450 的機率是多少? d. 如果你的汽車維修是收費比較低的5%,你必須支出多少錢?
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生命科學與醫學 大學

（社區） 求解🙏第71題：陰性預測值要怎麼算 謝謝！！

0267. 骨質密度篩檢之敏感度(sensitivity)為80%,其代表的意義為何?(A)篩檢結果為陰性個案中,有80%有骨質疏鬆 (B)有 80%的骨質疏鬆個案,篩檢結果為陰性(C)篩檢結果為陽性個案中,有80%有骨質疏鬆(D)有80%的骨質疏鬆個案,篩檢結 果為陽性。 情況:159 位喉嚨痛的病人中,有42位喉部培養呈陽性,在呈陽性反應者中經醫師正確診斷出B疾病者有30人;同時有117 人 喉部培養呈陰性,醫師對其中88 人正確地未給予抗生素(如表)。依此回答以下四題。 DID 升 68. 此喉部培養檢查的敏感性(sensitivity)是:(A) 50.84% (B) 71.42% (C) 75.21% (D)88%。 +3o 142 69.此喉部培養檢查的特異性(specificity)是:(A) 50.84% (B) 71.42% (C) 75.21% (D) 88%。 | 88 | 收 历 70. 此喉部培養檢查的陽性預測值(positive predictive value)是:(A) 50.84% (B) 71.42% (C) 75.21% (D) 88% 71, 此喉部培養檢查的陰性預測值(negative predictive value)是:(A) 50.84% (B) 71.42% (C) 75.21% (D) 88%。 72. 某地區年中人口數為10萬人,該地區肝癌病患為1,000人,全年內死亡總人數為500人,其中因肝癌死亡為30 人,該地區 肝癌致死率為何?(A)3%(B)30%(C) 5%(D)50%。 73. 斯徒昂特(Stuart)所提出家庭的五項特質,不包含下列何項?(A)家庭成員之間可能沒有血緣關係 (B)家庭成員可能沒有 = 3%0 住在一起 (C) 家庭成員可能沒有生育下一代 (D) 家庭成員之間可能沒有承諾與責任。 74. 卡加利家庭評估模式(Calgary Family Assessment Model)的評估架構中不包括下列何者?(A)家庭的優勢 (B)家庭的發展 (C)家庭的結構 (D) 家庭的功能。 391100/159 子女 XIE 14pp 众(information idlove)

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