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問題的種類

社會 國中

求解第27題

生活時事 題 克利伯環球帆船賽 克利伯環球帆船賽事是全球規模最大的 業餘帆船賽事。附圖為 2019 ~ 2020 年克 利伯環球帆船賽甲到辛的八個賽段,依序由 甲~辛賽段完成(1)到(8)不同城市的比賽,該 賽事的某些賽段會經過位於南、北緯 23.5 度附近的高壓帶,受到高壓帶的影響,會沒 有明顯的風向,所以帆船會像黏在水上一樣 紋風不動,對選手是一項挑戰。 BA: 2 美國 西雅圖(8)美國, 飞紐約色 庚 百慕達群島 「巴拿馬城 辛 (2)烏拉圭 德里: 甲 (3)南非 -Z (1) 英國 倫敦 8 (6) 中國青島 珠海 三亞 埃斯特角城 一眼,味愛意吉 開普敦) (4)澳大利亞 丙 罩 蘇比克灣 戊 閱讀素養 弗里曼特爾 ) 几 (5) 澳大利亞 惠森迪制 25. 依文中比賽賽段判斷,依序會經過哪些海洋? (A)大西洋→太平洋→印度洋→大西洋 (B)大西洋→印度洋→太平洋→大西洋 (C)印度洋→太平洋→大西洋→印度洋》器(2AM)詈縣空大圖美(G (D)印度洋→大西洋→太平洋→印度洋 頸就直,竟出課甲的中國網炎最獻器 C 26 選手經過圖中哪一賽段時,最可能遇到日期會減少一天的狀況?半直很主題 (A)甲 (B) (C) (D)辛 回。即給的回新增時 )1/選手經過圖中哪一賽段時,最容易發生「帆船常會像黏在水上一樣紋風不動」的挑戰 ℃ (A)戊 (B)己 (C)庚 (D)辛 HANALYSERTIO 非最謂资() 跨科連結 題組 太平洋名稱由來 SHO

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英文 高中

請問12題怎麼選呢

game hunter e (6) ar g with his ssed _(8) -ver, Rainsf of hunt gh to be t upted wh ming to 1 and (1 owner ord th: and th Alen She Ain Bre a) t transaction pervil ( tactics accuracy excellence classic merely day. II. 文法選擇:10% (C) 11. Xtremely delicate and fragile, so only experts with gloves on are e it with care. allowed to h 5. Don't use public Wi-Fi when you perform a t and credit card details might be stolen. (A With C) 15. If I 6. The team members analyzed their own strengths and weaknesses and then came up with t cs before the paintball game started. y of the landing path is crucial; even a 7. To ensure the astronauts' safety, the a one-millimeter error could lead to tragedies. 8. To achieve n, or your personal information (excellent), the pianist practices for twelve hours every day. Sometimes, she repeats a single section of music hundreds of times to make it perfect. 9. Fever, cough, and muscle aches are (classic) symptoms of the flu. 10. When asked about her new boyfriend, Tina (mere) gave a mysterious smile and said nothing. Not only (B) Only The novelist published more than twenty novels, I arrived at the convention center did I realize that I had missed the event by a whole (D) liw (A) all of them (B) 13. The pocket watch giving (D) 14. all the musical genres, Ryan enjoys jazz most. bovent (B) Around (C) By (D) Of reduce my working hours and enjoy more free time- (C) Not until No sooner were bestsellers. (B) all of which HOLD and all of which (D) all of whom to me by my late grandfather is my most treasured possession. (B) given that gave more money, I but here I am struggling to afford even the basics for my two children (A) have; will (B) had had; would (C) had; would 龍騰文化 定自己,肯定不同 was given INAN (D) have; would nu C

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自然科學 大學

想問3-9的a跟c

Problems 3-1. Explain the difference between *(a) random and systematic error. (b) constant and proportional error. *(c) absolute and relative error. (d) mean and median. *3-2. Suggest two sources of systematic error and two sources of random error in measuring the length of a 3-m table with a 1-m metal rule. 3-3. Name three types of systematic errors. *3-4. Describe at least three systematic errors that might occur while weighing a solid on an analytical balance. *3-5. Describe at least three ways in which a systematic error might occur while using a pipet to transfer a known volume of liquid. 3-6. Describe how systematic method errors may be detected. *3-7. What kind of systematic errors are detected by varying the sample size? 3-8. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is (a) 500 mg. (b) 250 mg. V(c) 125 mg. (d) 60 mg. 3-9. The method described in Problem 3-8 is to be used for the analysis of ores that assay about 1.2% gold. What minimum sample mass should be taken if the relative érror resulting from a 0.4-mg loss is not to exceed *(a) -0.1%? (b) -0.4%? (c) -0.8%? (d) - 1.1%? 3-10. The color change of a chemical indicator requires an overtitration of 0.03 mL. Calculate the error if the total volume of titrant is percent relative (a) 50.00 mL. (c) 25.0 mL. 3-11. A loss of 0.4 mg of Zn occurs in the course of an percent relative analysis for that element. Calculate the error due to this loss if the mass of Zn in the sample is *(b) 10.0 mL. (d) 30.0 mL. 190 (c) 188 (d) 4.52 x 103 4.63 x 103 4.53 x 10 ³ √6 *(a) 30 mg. (b) 100 mg. *(c) 300 mg. (d) 500 mg. 3-12. Find the mean and median of each of the following sets of data. Determine the deviation from the mean for each data point within the sets, and find the mean devi- Vation for each set. Use a spreadsheet if it is convenient. *(a) 0.0110 0.0105 (b) 24.53 0.0104 24.68 24.81 24.77 39.61 862 (f) 850 MA 3-13. Challenge Problem: Richards and W the molar mass of lithium and colle data. 24.73 Experiment 1 2 3 4 5 6 194 447 X 10 7 448 X 107 4.58 X 10 (a) Find the mean molar t workers. (b) Find the median molar ma (c) Assuming that the cam molar mass of lithium is the absolute ertor and of the mean value demi Willard. (d) Find in the chemical ues for the molar mus since 1910, and ag a table or spreadshera 1817 given in the a Richards and Willd. Com mass versus year to la of lithium has chang Suggest possible abruptly about 18 ant de (e) The incredibly deals Richards and W that major changes will occur. Disc calculation in pat (f) What factors ha since 1910? (g) How would you mass? 6See Chapter 2 of Applications of Microsoft Excel in Analytical Chemistry, 4th ed., for information about statistical 7T. W. Richards and H. H. Willard, J. Am. Chem. Soc., 1910, 32, 4, DOI: 10.1021/ja01919a002. built-in statistical functions. "Answers are provided at the end of the book for questions and problems marked with an asterisk The I of ₂ or inc rce of able vas error c often in individu ate resul data in rtainties. dimensio andom e analysts The result

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