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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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物理 高校生

波線の部分を教えてください🙇🏻‍♀️՞

A. 必解 1. 〈速度の合成> 図のように,一定の速さで一様に流れる川に浮かぶ船の運動 を考える。船は,静止している水においては一定の速さ 3. C D Us (vs>v) で進み,また, 瞬時に向きを自由に変えられる。 最初, w 船は船着場Aにいる。 Aから流れに平行に下流に向かって距離 L離れた地点をB, A から流れに垂直に距離 W離れた地点を C め h C 船 B Cから流れに平行に下流に離れた地点をDとする。 船の大きさは 無視できるものとする。 (1)地点AとBを直線的に往復する時間 TB を L, Us, vを用いて表せ。 (2)船首の向きを,AC を結ぶ直線に対してある一定の角度をなすように上流向きに向け、流 れに垂直に船が進むようにして,地点AとCを直線的に往復する時間 Tc を W, us, v を用 いて表せ。 (3) L=W のとき,Tc を TB, Us, v を用いて表せ。 また, 時間 Tc と TB のうち長いほうを答 えよ。 + (4) 船首の向きを, AC を結ぶ直線に対し角度 0 (0> 0) だけ上流向きに向けて地点Aから船 を進めると, 地点Dに直線的に到着する。 その後, 地点DからCに, 流れに平行に進み、 地点Cに到着する。 地点AからDを経由しCまで移動するのに要する時間を W, us, 0, 0 を用いて表せ。 [21 東京都立大]

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