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English Junior High

リーディングの問題です。 色付き下線部の英文の訳し方がよくわかりません。 どのようにして,回答のようになるのか教えて下さい🙇‍♀️

3 Jill, Ellen, Bob, and Edward lived near a lake/They could go for a swim every day. A man named Mr. Black lived near the lake, too./Sometimes Mr. Black went swimming with the children. One day they asked him to go for a swim with them./Mr. Black said "We can't go for a swim. We may never swim in the lake again." "Why not?" asked Edward. "Because the lake is polluted," said Mr. Black. "There's a new sign at the lake. It says No Swimming, Polluted." "What is polluting the lake?" asked Jill. "Let's go down to the lake and look at it," said Mr. Black. (ア) Mr. Black and the children went to the lake on a sunny Sunday. They looked into the water. It wasn't clean/They walked around the lake and they saw why it wasn't clean. “Look at that *garbage in the water," said Jill. "That's what's polluting the lake.” Edward saw oil floating on the water./"That oil pollutes the water, too,” said Edward. "It comes from boats on the lake." "Come here," said Ellen. "Take a look at this. There are tires in the lake !" "Why would people throw tires into a lake ?" asked Bob. "They just don't stop to think," said Mr. Black. "But they are not the only ones who pollute the lake. The people who run that factory pollute the water, too." Bob looked at Mr. Black/"What can we do? How can we stop the pollution ? he asked. "Well, we must get help from other people. We can't do it alone," said Mr. Black. Mr. Black had a friend who worked for a newspaper company. He asked him to help. The next day the story about the pollution was reported in the newspaper. Many people read about the story. They talked of the pollution. They talked of ways to clean it up. people met at the lake./They came to clean it up./ They cleaned out the garbage. Then they cleaned out the tires./They set up big cans. Then they put signs on the cans. The signs read, "Put Your Garbage Here." /People who lived near the lake came to help./People who had boats came to help./And, people from the factory also One day (イ) came to help. They knew that it would take a long time to get the lake clean again. But they did not give up. They all hoped that someday the "No Swimming” sign would come down and the people could swim in the lake again. 注) 〒garbage=ごみ

Resolved Answers: 2
English Senior High

すみません、合っているか確かめてもらえませんか?

Let's try a test! ② 26 私の祖先はフランス人だった。 27 お年寄りに席を譲る 良い教育を受ける 29 映画に関する知識が豊富だ 30 彼女は8年生だ。 31 高齢者 32 高校を卒業する 28 33 家具1点 34 35 語彙を増やす 36 あなたの名前をどう発音するのですか。 37 詩を英語に翻訳する 38 39 化学工場 40 自然と共存する 41 その問題の本質 聖書の有名な一節 幸せをどのように定義しますか。 42 環境を守る 43 先週、地震が起きた。 44 日本の自然災害 45 パンダの自然生息地を保護する 46 大気汚染を食い止める 47 キリンは絶滅しかかっている。 48 熱を反射する 49 京都は夏は蒸し暑い。 50 科学技術(科学と科学技術) My (ance tors ) were French. give up my seat to an (Elderly receive a good ( education. have a good (< now ledge She is in the eighth ( grade ( Senior (graduate piece ) citizens ) from high school ) of ( ) ) of movies ). an( furniture a famous ( bible ) from the Bible expand my (Vocabu lary ) How do you (pronounce ) your name? ( translation) a poem into English essence How do you (definition a chemical ( factoly. live together with (nature the true ( protect the There was an (arth quake natural (disas ter ) person ) happiness? ) ) of the problem environment ) (Reflect ) heat Kyoto is hot and (humid Science ) last week. ) in Japan (Pratection ) Panda's natural habitat prevent air (pollution ) Giraffes are becoming (extinction ). ) in summ ) and (chemistry

Resolved Answers: 1
Mathematics Senior High

(3)の解説を易しめでお願いします🙇🏻‍♀️

思考プロセス 題 127 三角比の式の値 sin+cosl=1のとき, 次の値を求めよ。 ただし, 0° 180° とする。 1 2 ( sing (2) sin³0+cos³0 (1) sin@cose 「既知の問題に帰着 sin0 = x, cos0=y とみると,x+y= 解 (1) sin0 + coso (2)x+ya ⇒ 例題 23, 24 に帰着できる。 これに,条件 x2+y2=1 も加える (sin'0+ cos'0=1)。 Action” sin0, cose の条件式は, sin ²0+cos20=1 を利用せよ (1)x+y=1/12 (和) から,xy(積)をつくるにはどうするか? = (3) x-y sin20+2sinocost+cos20 = 例題 sin20+ cos20=1 であるから 126 sinocoso の両辺を2乗すると 1/2のとき,次の値を求めることと同じである。 3polimer p よって 8 例題 23 (2) sin' 0 + cos'0= (sin+cos0)³-3sin cos(sin+cos0) 練習 127 sin-cost= (1) sincost 4.01 1+2sin@cos日 〔別解) sin0+ cos0 = (sin+cost) (sin20-sinocost+cos²0) F0800 + DIR 11 -1/² ( 1 + ²/3) = 1/6 8 例題 (3) (sin-cost) = sin20-2sin@cost+cos20 24 = 1-2-(-3) = 7 8 1 11 - (-/-) ² - 3 - (- 3 ) · 2²2 = 16 co 8 sino-cost = ここで,0°≧0≦180°より sin ≥ 0 また, (1) より sinθcost < 0 であるから ゆえに sind-cost> 0 したがって 16a 1 4 7 √√4= 2 AEBUT cos0 < 0 coso cos0 和の式の両辺を2乗して、 積の形をつくる。 三角比の問題では sin 20+ cos20 = 1 の条件がかくされている。 x3+y3 = (x+y)³ − 3xy(x+y) 因数分解 x3+ya = (x+y)(x² - xy + y²) を用いると, sin20+ cos20 = 1 ! が使える。 8200 (N のとき,次の値を求めよ。ただし,0°≦ 0 ≦ 180°とする。 sin + coso sin (3) sin+cost p.247 問題127 次 (1 思考プロセス (2

Resolved Answers: 1