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英語 高校生

英語の長文です どこに文法表現があるか知りたいです! よろしくお願いします。

5 UNIT3 Reading Passage 10 15 20 20 25 30 Listening When important events are happening around the world, most people turn to traditional media sources, such as CNN and BBC,¹ for their news. However, during the invasion of Iraq by the United States and its allies in early 2003, a significant number of people followed the war from the point of view of an anonymous² Iraqi citizen who called himself "Salam Pax" (salam means "peace" in Arabic, and pax means "peace" in Latin). Salam Pax wrote a diary about everyday life in Baghdad during the war, and posted it on his web site. Pax's online diary was a kind of web site known as a "blog." Blogs, short for "web-logs," are online diaries usually kept by individuals, but sometimes they are written by companies and other groups of people. They are a rapidly growing type of web site on the Internet. There are estimated to be several hundred thousand blogs on the Internet, and with the popularity of other social media sites, the number of people writing online about their lives continues to grow. may find A blog differs from a traditional web site in several ways. Most importantly, it is updated much more regularly. Many blogs are updated every day, and some are updated several times a day. Also, most blogs use special software or web sites which are specifically aimed at bloggers, so you do not need to be a computer expert to create your own blog. This means that ordinary people who computers difficult to use can easily set up and start writing their own blog. In 2003, the Internet company AOL³ introduced their own blogging service, enabling its 35 million members to quickly and easily start blogging. There are many different kinds of blogs. The most popular type is an online diary of links, where the blog writer surfs the Internet and then posts links to sites or news articles that they find interesting, with a few comments about each one. Other types are personal diaries, where the writer talks about their life and feelings. Sometimes these blogs can be very personal. There is another kind of blogging, called "moblogging," short for "mobile blogging." Mobloggers use cell phones to take photo's, which are posted instantly to the Internet. When the content and images posted online involve news subjects, mobloggers become citizen journalists. In fact, the Korean web site OhMyNews was a well known source for articles from international citizen journalists. However, in 2010, OhMyNews stopped posting new articles. Instead, it is now a blog site where citizen journalists can choose what makes the headlines, or just share ideas about how regular people are changing the news world. Anyone who visits the web site of a big media company can clearly see how the idea of blogging has changed the reporting of news. Quite often, a list of reader comments follow news articles. It seems that the news is becoming less like a report or a lecture, and more like a conversation, where anyone can join in. CNN, BBC Cable News Network, British Broadcasting Corporation anonymous not named; unknown 3 AOL America Online

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数学 高校生

n=10、11となるのはどうやって分かったんですか? どこに代入したら確認できるのでしょうか?

あ 245 10本のくじの中に2本の当たりくじがある。 当たりくじを3回引くまで繰 要 例題 り返しくじを引くものとする。 ただし,一度引いたくじは毎回もとに戻す。 n23 とし, η回目で終わる確率をPとするとき [類 名古屋市大〕 (2) (1) Pm を求めよ。 (2) CHART O SOLUTION 確率の大小比較 比 Pnt1 をとり、1との大小を比べる POSAR (2) Pn が最大となるnの値を求めるには, Pn+1とPの大小を比較すればよい。 確率の問題では, Pn が負の値をとらないことと, Pnがnの累乗を含む式で表 Pn+1をとり,1との大小を比べるとよい。 Pn されることから、比 USG Cada I n回目で終わるのは, (n-1) 回目までに2回当たりくじ (2) P1 を引き回目に3回目の当たりくじを引く場合であるから 8\n-3 2 2 P.-C. (10) (10) = C2 = 4n 5(n-2) 6438 4 An とすると n を求めよ。 Pが最大となる 17 n=10 大 X 10 () 10/10 A\n-3/ (n-1)(n-2) (1) ** (¹) * (n=3) 3 2 Pall PR すなわち4n>5(n-2) Pat1=1 とすると n=10 P₁. よって、3≦n≦9のとき Pn<Pn+1, のとき Pn=Pn+1, Pn> Pn+1 CONS 105Na 11≦n のとき Part_[n(n-¹) ( ^ ) - ² ( ² )²} + { (n − 1)(x-2)(3)(5 2 ->1 n<10 Pn+1」とすると n>10 Pn {(n+1)-1}{(n+1)-2} 2 x ゆえに P3 <P4<・・・・・・ <P <P10=P11, P10=P11>P12>...... したがって, P, が最大となるnの値は n=10, 11大にする自鳥取 基本 45,47 5(n-2)SHAINE 不等号の向きは変わら ■5(n-2)>0 であるから, これを解くと ない。 4\ (+1)-3/ ****** ・Pnのnの代わり にn+1とおいたもの。 J38 ACHA-.TT#9 Pの大きさを棒の高さ で表すと 最大 増加 70 9 10 11 12 J 34 減少 n PRACTICE 500ANNATBA-VE さいころを1の目が3回出るまで繰り返し投げるものとする。 n回目で終わる確率 ten 2

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