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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 Junior High

この問題の空欄部分を教えてください。 調べても、見つけられませんでした。

Let's try a test! ( 76 英語は私たちの共通言語だ。 77 ある特定の年齢のグループ 78 地価の上昇 79 我が国の人口は減少しつつある。 80 生ごみの量を減らす 81 その学生を2つのグループに分ける。 82 少子化 83 若者がその集団の70%を占める。 84 高野山は世界遺産に登録されている。 85 21世紀に 86 発電 87 私たちが乗ったバスが2時間遅れた。 88 その雑誌の最新号 89 前日の朝 90 異なる視点から 91 シングルルームを2泊予約する 92 デザートは別腹だ 93 室内スポーツ施設 ers. > 94 私たちの新居は建設中です。 95 身長順に並ぶ 96 反対の方向に歩く 97 長距離を歩く 98 ロシアの経済状況 99 調子が良い 100 英語を話す機会がある English is (common accertain ) age group an ( soaring ) in land prices Our country's population is (declining (Reduce ) the amount of garbage (Divide ) the students into two groups the declining birth ( ) Young people ( of the group. Koyasan is ( Heritage Site. in the 21st ( the ( ) language for us. the ( the ( ) for 70% regis tered as a World con tury power Our bus was (d latest befor from a different point of ( book a single ( room have (hungry ) for dessert indoor sports(facility ) Our new house is under (construction ) ) of electricity ) two hours. ) issue of the magazine ) morning view ) ) for two nights ) line up in order of ( height walk in the opposite( direction) walkalong (distances ) ) in Rus the economic ( situation be in good (condition) have an (opportunity) to speak

Resolved Answers: 1
Mathematics Junior High

規則性の問題です。 (3)イの答えの意味がわかりません。 あとはわかるので、理解できる方教えて欲しいです。 解説には載っていませんでした。

6 右の図1のような正方形の紙がある。この正方形の紙と同じ大きさの 紙を,図2のように、上から1段目に1枚 2段目に3枚 3段目に5枚, ...と2枚ずつ増やしながら並べ,1段目には1の数字を、2段目には左 から2,3,4の数字を, 3段目には左から3,4,5,6,7の数字を.… と順に書き込んでいく。 2 2段目 3 3段目 n= 次の(1)~(4)の問いに答えなさい。 7³10 ① 4段目に並ぶ正方形の紙の枚数を求めなさい。 891013 2 5段目に並ぶ正方形の紙に書かれた数字の和を求めなさい。 556.78 図2.10 11121 45 566881 (3) 次の文章は、正方形の紙に書かれた数字のうち、100が初めて出てくるのは何段目がを求める過程 2/2+3 について, 太郎さんが考えたことをまとめたものである。 ア〜ウには n を使った式を,エには数を,それぞれ当てはまるように書きなさい。 ただし, 式は最も簡単な形で表すこと。 ni しゃ n+2n 図1 1段目 2 45 6 2013 1 3 4 6 .... まず、各段に並ぶ正方形の紙の枚数を考える。 正方形の紙は,1段目が1枚で,段が1段増えるごとに2枚ずつ増えていくから,n段目に並ぶ 正方形の紙の枚数は 枚と表される。 4= 7612 ア 2 (1731) un tont 2 (21)(2+2) 20 n+ 2 n + 4 71 612 71 8 20 696970 71 72 73 7475 2n+2 ウ し 3 次に,右端の正方形の紙に書かれた数字を考える。 n段目の左端の正方形の紙に書かれた数字はnだから, n段目の右端の正方形の紙に書かれた 数字は,より into 98 97 イ 大きくなり, ウ と表される。 よって, 正方形の紙に書かれた数字のうち, 100が初めて出てくるのは, I |段目である。 より, I |=100, 69 +20 2n+3=100 2195 +8 2 数字のふた 2022 初めて出てくるのは何段目になるかを求めなさい。

Resolved Answers: 1