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English Senior High

分かるところだけでいいので教えてください!

旧和-前lmppe si 証選是2 Read the text and answer the questions below. (apt wm Eve Every year hundreds of new bridges, large and small ane but around he worid. 可 inanon of NOSE Most ofthese 5 a p brdges are marle of wood, steel, concrete, or some Com! uilt uSiNIg yariouき (hree i W materials. However, in (he last few years bridges are Dein如 Iinds of plastics. reinforced1 mmm es 上 0 4 mew bridge in Kiipphausen, Germany, is made entirely 0『 glass-fiDeT like those plastic (GRP). Jr is just as strong as a concrete or steel br put un ュ = httiSR marerials、 GRP does not corrode and is not affected by fros 0F mold. Althou店 し pected to concrexe, し導SEPウデニーー more expensive than a conventional bridge of steel and money Jast machi longer and to need less maintenance, so he 【OWP will saVe Abndge im New Jersey.U.S.4 is made of anew mee plended fro or plastic used for many S ATe made of polystyTene m reCyCled mm "polyethylene and "polystyrene. Polyerhylene is a kim containers and many coffee cups plates, bowIs, and IO Neithuer of Chese raterials alone is SITOnB enough to mal em is much stronger.The neW bridge is ce will also be cheaD and ea5y is that they can be desigmed y-developed computer software can of a specific site by modifyinga ooSing frOm a range ke a bridge. but the new 14 meters long and can material made from th to maimtaim. 5 support a heavy fire rruck. This bndg Another advantage of plastic bridges more quickiy (hanm conventional bridges. Speciall pe used to desjgn a plastic bridge (hat meets the needs e way customers buy a neW car by ch srandard basic desigm mm 由 zo of opiions and specil equipment. Once the bridge's desigTl 1 completed, the plastic and built much em parts car be manufactured in a week. These Coml onents are light in weight amd easy ro handle, so a small bridge can be installed by atwo-mancrew inafew hours. Most of (he plastic bridges built so far ar rraffic. As the technology advamces and the advanmtages of e comparatively small、 buili for pedestrians or jjghf vejicle plastic bridges are recOgiZed, hOWeVer, there could be many Iarge-Scale highway and raijroad bridges made of plastic in the Tuture. ghessdiber einforced plastic グラスファイバー強化プラスチック mold かび polyethylene ポリエチレッ polystyrene ポリスチレン

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Chemistry Senior High

金属の水酸化物からなるコロイド粒子は水との親和性が小さいとあるのですが、逆ではないのでしょうか? また、Fe(OH)3のコロイドは正の電荷を持つのも逆ではないのでしょうか? お願い致しますm(__)m

コロイドと親水コロイド 。 6 yh 水との親和性にもとづいて分類す 2 "・水隊人 >らなるコロ #, 水との 邊 Fe(OH) 。のような金属の水酸化物カ らな ~明 pi 和作が小さい。このような灯子がらなるコロイドは時2 -よばれる 方 デンプンやゃタンパク質のように, 親水性の部2 冬子は。水和して多数の水分子を引きつけている>。 この= fからなる コロイドは親水コロイドとよばれる。 rdrophrihc cooped い = 人⑲大水コロイドと凝析 コロイド粒子は, ファン2ルシーバ のような引 力によって。 粒子どうしが互いに引き合っている。しかし, # -どうしがガが同 種の電荷をもっており, 互いに反発するため, 集合して沈殿を形成せずに, 分散媒中に分散している。 水酸化鉄(四)Fe(OH)。 のコロイド溶液に, 硫酸ナトリウム NazSO。 水溶液 を少量加えると, 正に帯電したコロイド粒子と反対符号の電荷をもつ硫酸イ オン SO〆~ の作用によって, コロイド粒子が集合して沈殿を生じる。 このように, 少量の電解質によって, 疎水コロイドの粒子が沈殿する現象 を義析という (回) 。一般に、コロイド粒子のもつ電疹と反対符号で, 価数 の大きいイオンほど, コロイ ドを凝析させやすい(探究活動3⑨p.80) 。 少量の NazSOz 水溶液を加える

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English Senior High

問1、2 分かる方、いらっしゃいますか?? 回答、解説をよろしくお願いします。

5 次の英玉を読んで, 以下の設問に答えよ。 (配点50上 | For over one hundred milion years, sea turtles have SWum in the Pacific and | ndian Oceans、They are an important lmk im marine *ecosystems and help to keep coral reefs and other species of marine Hfe healthy through their diet. They not only 「Dlay an inportant role in keeping the OceanS clean, but they also have large touriSmm and cultural value to humans. Unfortunately, they are in great danger. | Climate change and *overfishing are *threatening the seven Species of sea turtle that exist today. "The World Wildlife Fund (WWF) considers that five.of the seVen species are likely to become endangeredL. The WWF has made some progreSs with | the problem by asldng *fishers to use *turtle-friendly hooks when they catch their fish. One problem that continues to grow in S126, however, js plastic. The Pacific Ocean is home to hundreds of thousands of sea turtles, but 直 S also home to the worst plastic pollution in the world、 gte *Great Pacific Garbage Patch is located in the north part of the Pacific AA Tt contains over three and a palf milion tonS of trash and ijS often called a "plasHc island.′ The “island” is about six meters deep and spreads over an area Of about 700000 sauare kilometers. This js ame SiZe as Texas, the second- ]argest State mn the United States. about the 8 lastic tash in the se4 is a major problem for turtles. e They often mistake the floatin ieces Of lastic for jellyfish. These pieces of plastic they eat can become ped inside the 【 turtles cannot do anything to remnove unwanted items from ther stomachs. 0 urtles' stomachs and prevent them from being able to eat. Unlike 2 hurnanS, humans must invent a solution to the problem they created.

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Japanese Junior High

教えて欲しいです🙇‍♀️

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