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TOEIC・英語 大学生・専門学校生・社会人

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19,20 Friday, Feb. 26, 2021 O French safety officials the 写真提供:ロイターアフ。 safety official 安全局合。 on Thursday gave green light to extend the lifetime of the FESSENHEI/ 35 eDF country's oldest nuclear power plants as it seeks to boost the share of renewable 再生可能エネ ルギー mix. renewables in its power の Nuclear energy currently provides nearly 70 10 French electricity, more than in OFrance, hoping to reduce that share to 50 percent by 2035 percent of any other country. obs91 910a8 ーa target pushed back from an earlier 2025 date the help of renewables, has been holding off from building with hold off 控える、見合わ せる new reactors. 15 The French nuclear safety authority(ASN) said the country's 32 plants with 900 megawatt capacity, built mostly in the 1980s, would be allowed to operate for another nuclear safety authority 原子力安全局 decade, taking their potential lifespan to 50 initially planned 40. 20 6 They will therefore not be decommissioned before the late years from the uohee) 活導大 2020s or even late 2030s, depending on their initial launch date. 6 The safety of French nuclear plants is checked every bse 01nla8 decade. s の ASN asked state-controlled electricity provider EDF, which EDF フランス電力 the country's nuclear plants, to undertake work to safeguard the stations' security. “The main target was to limit the consequences of accident, especially any serious accident involving the manages any necessary any meltdown of a reactor," ASN's deputy director-general Julien

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英語 高校生

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Dand about 4% have been extinct since 1950. Le Complete the summary. There are some unnecessary words. Lie an/ Summary Title )are dying out faster than in tho past. 1()Many linguists think that (1. ( )Almost 40% of languages are (2. One of the reasons why languages disappear is that people who speak th。 languages 2 Ld ) phenomena. die because of (3. ) cause the extinction of languages. ( ) Another reason is that (4. Today some people (5. away their own language because of technology 5 and the desire for material wealth. If a language dies, we believe that we lose the knowledge that the society has (6. 6 ) over time and diversity in the world. In language (7. へ the language and culture as possible. ), linguists try to record as much information about ird0 Sto In language (8. the language. ),a linguistic community takes an active role in saving 8 Efforts by learners, the elders, the government and linguists (9. to save languages from disappearing. ) us 9 Titles Words O 10 allow / approaches culture / eliminate endangered / gained languages / natural O Language Preservation O How Languages Rapidly Disappear © Loss of Speakers Causes Languages to Disappear O People Choose English over Their Language O Language Revitalization O People's Efforts Can Save Languages @ The Current Situation of the Languages の Humans Cause Languages to Disappear t iw d people / preservation revitalization/ throw O What Is Lost When Languages Disappear 1guage Extinction

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数学 高校生

例題も練習問題もデータの値を2倍した時の分散を求めるのに、どちらも2の二乗が使われているのはなぜですか?

(A半)率3の合 変量の変換 第5章 データの分析 例題 12 次のデータは,ある生徒5人の数学の試験の得点を記録したものである。 7, 3, 8,2, 10 (点) (1) このデータの平均値と分散を求めよ。 (2) 5人全員の得点それぞれに 10を加えたデータの平均値と分散を求めよ。 (3) 5人全員の得点をそれぞれ2倍にしたデータの平均値と分散を求めよ。 【類仁愛大) 変量の変換を用いて,見通しよく計算する 考え方 変量x,yについて,y=ax+b (a, bは定数)であるとき, x, yのデータの平均値をx, y, 分散を s, s,, 標準偏差を S, s, とすると →(2)では a=1, b=10, (3) では a=2, 6=0 と考えて, (1) の結果を利用する。 ソ=ax+6, s,"=a's., s,=|a|s. ポイント (解答 1 定義から求める 1 -(7+3+8+2+10) = 30 -=6 (点) 圏 5 (1) 平均値は (7-6)°+(3-6)+(8-6)*+(2-6)°+(10-6)")= =9.2 匿 分散は 46 5 2 (1)の結果を利用 →(2) 5人全員の得点それぞれに 10を加えたときの平均値は 6+10=16(点) 器 分散は,(1)と同じで 9.2 容 (1)の結果を利用 → (3) 5人全員の得点をそれぞれ2倍したときの平均値は 2?×9.2=36.8 圏 2×6=12(点) 闇 月 分散は 練習 10個の値からなる次のデータについて考える。 12 10, 6, 9, 4, 7, 2, 3, 5, 1, 3 (1) このデータの平均値,分散, 標準偏差を求めよ。 (2) このデータの値それぞれに3を加えたデータの平均値, 分散, 標準偏差を求めよ。 (3) このデータの値をそれぞれ2倍したデータの平均値, 分散, 標準偏差を求めよ。 【類京都学園大) Aからまで最

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英語 中学生

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次の英文[A]. [B] を読み、 その文意にそって (21) から (26) までの ( ) に入 ysteries efAmber V3日は美しく 12 れは、樹がら 14| けて輝くな 2れるのに最も適切なものを 1,2, 3,4の中から一つ選び、 その番号を解答用紙の Amber is a beautiful, shiny, yellow stone, Swhich has been used to make jewelry since ancient times. It is made of a substance called resin that comes from trees and has hardencd over millions of years l. shiny, yellow stone, whuh hass heen used! 24|= 所定欄にマークしなさい。 The Mysteries of Amber 2の4 を 。 a In the 19th century. people began to ( SO, they found that amber often contains fossils the remains ot ancient plants and animals. However, unlike normal fossils, which aie hard and usually found in rock, amber is able to rescrve soft materials, too. Millions of years ago, leaves, insects, a ometimes got trapped in resin. After the resip bject inside would be protected as a fos bjects, scientists are able to study the ble ogs, and lizards that are now extinct. ( uch as feathers and hair, are preserved means that the colors and shapes of th Dserved in the fossils. In 2015, Lida Xing, a Chinese scid nall, 99-million-year-old dinosaur in am - bone structure, were kept in perfect co iced that the tail had feathers. This anim fop of the tail and lighter feathers unde |size of these, Xing believes that thi cad, its feathers were for warmth and d 21 When they did his kind

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