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English Junior High

問4の並び替えはどのように考えて解けばいいのですか?

3 次は、高校生のHayato (男性) が書いた文章です。 これを読んで, 間 1~ 問6に答えなさい。 *印の ついている語句には、本文のあとに〔注〕があります。(34点) I love bicycles. I've been using my bicycle since I was a junior high school student. One morning, however, I got scared on my way to school. A car passed me really fast. It almost touched my bicycle. There are only a few *bicycle lanes in my town, and I think some of those lanes are too narrow for a bicycle to use safely. I wanted to make our streets safer for cyclists, and then I read about "Copenhagen, Denmark in a bicycle "magazine. It's Aas one of the most *bicycle-friendly cities in the world. I learned more about the city on the Internet and thought it's really a wonderful city for cyclists. I'd like to write about it. In Denmark. 90% of the people have a bicycle, and in Copenhagen, 49% of the workers and students go to work or school by bicycle (27 % go by car, 18% by bus or train, and 6% on foot). Many streets in the city have bicycle lanes and bicycle traffic lights, and there is even a bicycle bridge named "The Bicycle "Snake." I was "envious of the cyclists in Copenhagen because the city is bicycle-friendly in every way. You can ride a bicycle at 20 km/h without B at red lights even when the traffic is busy, and you can bring your bicycle on trains and buses. In the 2019 ranking of "Bicycle-friendly Cities," Copenhagen was No. 1 and Tokyo was No. 16. ② A lot of people were using cars in Copenhagen, too, but around 1980, the city started making better roads and rules for bicycles, and the number of bicycle users started increasing. Around 2017, the number of bicycle users in Copenhagen became almost the same as the number of car users. I was also surprised to see that the number of bicycle accidents in Copenhagen was "lower than in other large cities. I think it's because the roads (cyclists for safe/follow/ and/ are cyclists the traffic rules. In many Japanese road safety classes, children are taught that roads are dangerous and sometimes shown shocking scenes of traffic accidents, and they learn that they must follow traffic rules when they ride a bicycle. But in Denmark. children play games in their classes. They can have fun when they learn traffic rules. Now there is a movement in Japan that gives children road safety classes in this way. Bicycles are cheaper than cars and healthier. They're also friendlier to the environment. The United Nations expects that about 70% of the people in the world will live in big cities by 2050. Such a large number of people will cause some problems, and more traffic is one of them. Copenhagen is a very good role model for Sustainable cities and communities" which is one of the U.N.'s "Sustainable Development Goals. I think Copenhagen's ideas to increase the number of bicycle users are wonderful because people there don't have to stop doing anything. They choose bicycles because the city is designed in a way that using a bicycle is more convenient than using a car, bus. or train. However, after the number of bicycle users increased, more parking spaces are needed there. (3 To make a bicycle-friendly city, just making more bicycle lanes isn't enough. We must think about the future of our cities. Denmark has made a lot of great plans and has more exciting plans for the future. For example, it's going to build a "bicycle" "superhighway" between cities and other areas by around 2045. I definitely want to ride a bicycle on it some day! 〔注〕 be cared おびえて こわがって bicycle lane 自転車専用の車線. レーン cyclist ...... 自転車乗りの人、サイクリスト pass…………〜を追いこす。 通り過ぎる narrow ・・・・・・幅が狭い Copenhagen コペンハーゲン (Denmark 「デンマーク」の首都) magazine 雑誌 on foot... 徒歩で bicycle-friendly... 自転車にやさしい traffic light...信号 (traffic は 「交通 (量)」)

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Science Junior High

こちらの問題なのですが、 動いた時の場合入射角と反射角が同じなのでそこから考える〜という回答の説明だったのですが、 見ている人のさじ加減や、直線を引いた時のちょっとしたズレなどで変わってしまいませんか? もう少し噛み砕いて解き方を教えていただきたいです。

力問題にチャレンジ 光の反射(宮崎) 科学クラブに所属している史子さんと宏美さんは、休日に近くの文化センターに行った。次の会話文 を読んで、後の(1)~(3)の問いに答えなさい。 史子:ほら、見て。建物の壁がガラス張りで、広場にある外灯が壁に映っているよ。 宏美 ほんとうだね。自分たちが移動するとガラスの壁に映った外灯もそれにあわせて移動しているよ うに見えるよ 1は、美さんと外灯と建物の位置関係を示している。 宝美さんの位置から建物を見ると、外灯が ガラスの壁の点線A上に映って見えた。図2は、 図1を真上から表したものであり、マス目は1目盛り が1mである。 また,広場は一部だけを示している。 図1 建物のガラスの壁 建物 林 点 A 1m im 外灯 広場 3 m -12m 宏美さん 外灯 [宏美さんと外灯と建物の位置関係] ●宏美さんは, 壁から3m離れた, 建物の右端の延長線上に立っている。 外灯は, 宏美さんから建物の壁と平行に, 左に12m移動した位置にある。 (1) 宏美さんが、ガラスの壁に図3 映った外灯を見ているとき。 外灯か ら美さんに届くまでの光の道すじ b- 宏美 さん ア. a, b ともに点線Aより左側に見える。 イ. a, b ともに点線Aより右側に見える。 ウ. aでは点線Aより右側に見え, bでは点線Aより左側に見える。 エ.aではAより左に見え, bでは点線Aより右側に見える。 (3) 宏美さんが、2のcの向きにまっすぐ移動し、ガラスの壁に映った 外灯がほぼ見えなくなった位置で止まった。 宏美さんは,今の位置から約 何m移動したと考えられるか。 最も適切なものを. 次のアーエから選び なさい。 図3にかき入れなさい。 (2) 安美さんが、 図2のやbの向きにまっすぐ移動すると、ガラスの に映った外灯は、どのように見えるか。 適切なものを、次のア~エから選 びなさい。 ポイント (2) 反射する位置がどう変わる かを考えよう。 ポイント (3) 外灯が見えるのは、建物の 左端と右端の間で光が反射す る場合。 (1) 図3に記入 (2) (3) ア. 約9m 1. * 12 m ウ. 約15m エ. 約18m 134 1理科

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