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英語 中学生

埋まってないところが分からないので教えてください。

Read and Think 0 海斗はイタリアのベネチアについて調べて, クラスで発表しています。 New Words J canal(s) [kantl(2)) Dgondola [gándall] Venice is called the City of Water. It's one of the O built |bilt] (= build) most popular World Heritage across |akr3:s] sites. Its many islands are 5 grand [grend) connected by canals and sight |sit) bridges. You can enjoy a gondola boat ride there. attractive |atratektiv] serious |sirias|) =itizen(s) |sitizn(2)) There are many popular spots in Venice. m It's built across the ink(ing) |sipk(in)] Rialto Bridge is one of them. uise [krú:z| ave(s) [wéiv(z)] Grand Canal. It's an old and beautiful sight. Venice is attractive, but it has serious problems mage(d) [dáemids(d) nice [vénis] ミチア First, the city is visited by too many tourists. The tourists use water buses. The citizens have trouble - Rialto Bridge ieltou bridsl ルト橋 because the buses get very crowded. Second, the city Grand Canal rénd konel] 可 is sinking. It's built on soft ground. Many cruise ships make waves, and the ground is damaged by the waves How can we preserve this World Heritage site? Is5:ft] 前の [122 words > p.116 Grammar 6 The city is visited by too many tourists. byつきの受け身 受け身にby.がつくと。 「…によって」という意味になる。 例 The city is visited by too many tooumiot E

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数学 高校生

接線の問題です。下線部の言っていることが全く分かりません。分かりやすく説明して欲しいです!

Check 例題 180 第3章 図形と方程式 次 例 題 99 円外の点から引いた接線2 ヴ+y=5 に点(3, 1) から接線を2本引く. そのときの2つの接点 をP, Qとするとき,直線PQの方程式を求めよ。 考え方」 (i) 離れ 考え方 接点の座標を P(x), w). Q(x2. 12) とおいて求める。 解答 接点をP(x), y), Q(x2, Va) とすると, 点Pにおける接線は これが点(3, 1) を通るから, 点Qにおいても同様にして, D, ②より。点P. Qは直線 3x+y=5 上の点である。 2点P, Qを通る直線は1本に決まるので,直線 PQ の方程式は, 円x+y°=r? 上の 点(x), )における接綱 Xx+y=5 3x+y=5 …① 3x2+ y2=5 …2 の方程式 X1x+ yy=r? YA d> 解答 3x+y=5 (別解)点R(3, 1) とする。 るの V5 P AOPR とA0QR は合同な三角 形だから,対称性より, ORIPQ これより,直線PQの傾きは -3 であるから, kを実数として, 直 線 PQは, y=ー3x+k とおける。 0 x Q (直線 OR の傾き) k ×(直線 PQの傾き)=-1 図より,k>0 原点と直線 PQの距離dは、 1- d= 13+1 V10 ここで,直線 OR と直線 PQの交点をSとすると、 AOPRのAOSP であり, OR=/10, OP=/5, OS=→R だから, 15:=/10 V10 <POR : ./ 低重心シャープペン 白·0.3mm BALANCED MECHANICAL PEN.0.3mm H 1 >21 ニ1 v G

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英語 高校生

1枚目右ページの2行目、a patexted technology involving bacteria cleans the water, はinvolving bacteriaがa patented technologyを現在分詞の形で修飾していて、cleansが文の... 続きを読む

They are part of an experiment that Sogo, chief operating officer at FRD Japan, hopes will one day allow cost-effective inland farming of salmon Tokyo, gray salmon in a tank make quick movements, fighting for food. sea, but businessman Tetsuro Sogo is looking inland to raise one of the country's most loved sushi fish: salmon.\ In a mountainous area near Japan may be an island nation surrounded by the richness of the A You are preparing for agroup presentation on fish farming for your elan thought we needed a new way to produce more salmon," he explained. The company's process has two stages. First, tap water is converted 58 第2回 実戦問題 59 第6問 (配点 24) a シフト You have found the article below. 文字サイズ マトリー ジャンプ salmon farming. and enable Japanese to buy the homegrown fish for their sushi. “"We'll able to easily get high quality salmon wherever we are,” Sogo said The majority of the salmon consumed worldwide is farmed, not wila technology exports)." and the aquaculture market is dominated by Norway, which produces 1.3 million tonsa year. Farming at sea, the most common way to raise the fish, is complicated. The sea must be the right temperature, colder than 20 degrees Celsius, and only areas without strong waves and currents are tons of sushi-ready salmon. suitable - normally inlets or bays. Inland farming of salmon is often an impractical, expensive venture requiring lots of water and electricity to keep tanks clean. That hasn't stopped demand from exploding since the 1980s, with the United States, Russia, Europe, and Japan all fussing about the fish's rich pink flesh, according to the World Wildlife Fund. “Supply is not catching up with the growing demand," said Sogo, speaking at his test focility in Saitama, 50 km (31 miles) from the sea. Dressed in a suit like 35 明1 According to the article, what is NOT true about samon farmine? 0 Itis not easy to make profit by inland farming. の More than halfof the salmon consumed in the world comes from farming. Norway is leading the world market. a typical “salaryman" corefully monitors the fish as though he is wWatching his own children ““We - except fora pair of white rubber bonts _ Sogo O Strong waves are necessary to keep the water clean. 「第2回

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