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理科 中学生

丸3がわかりません こたえは バスドラム ア、イ フルート  ア、ウ、エ ピアノ   エ です。 わかる方よろしくお願いします。

ゆうか:この前オーケストラの演奏を鑑賞したけど,色々な楽器がそれぞれ違う高さや大きさ 17」次の[会話文]は音について、ゆうかさん たけしさん、さとるさんの3人でかわされたい である。次の問いに答えなさい。 SARA [会話文) の音を出して,それが1つの曲になってすばらしかったです。 ーリと大間の耳に聞こえる音はだいたい20Hzから 20000Hz の間の音らしいですね。 さとる:バスドラム*1は25H7~80H,フルートは250Hz~2000HZ, ピアノは30Hz~4000H2 の音が出せるらしいです。 ゆうか:楽器によって全然違うのですね。 さとる:そういえば、 ピアノの鍵継でいうと,真ん中より少し右にあるハ長調のラの音が (a たけし:それでは, 90Hz だそうです。多くの楽器ではこの440Hz でチューニング*2するらしいです。 り、バスドラム,フルート, ビアノのそれぞれの楽器について,音の高さを いろいろ変えながらオシロスコープの画面で観察してみましょう。 440 * 1 バスドラム:オーケストラで使用する大だいこ * 2 チューニング:楽器の音の高さを合わせること 904 「線部aについて, ピアノでこのハ長調のラの音だけをひいたとき, ピアノの弦は、取秒間で何回 振動するか。 下線部Dについて, ①~③に答えよ。 5「40 の音を発生させたとき、それぞれの楽器の振動をオシロスコープのマイクに伝えたものは何 か。 こアプの鍵盤で,ある1つの音をひいたとき、聞こえた音の大きさはしだいに小さくなった か、音の高さは一定で変わらなかった。このことから. このときの音の振動数の変化と振幅の 変化についてどのようなことがわかるか,それぞれ答えなさい。 次のア~エは,3つの楽器の音の高さを変えながら調べたときのオシロスコープの画面のよ うすを模式的に示したものである。それぞれの楽器について, あてはまることのないものを ア~エからすべて選べ。 3 ア イ ウ エ AVANAW W W 0.0002秒 0.005秒 0.01秒 0.0001 秒 29p0 aleuト-ろ00w

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英語 中学生

文章の構成がいろいろ英語であって分からないので教えてください

READING FOR FUN wロロロロ Zorba's Promise 2balcony |belkani Every night Zorba kept the egg warm. This was difficult, バルコニー but he never gave up. 2 port Ips:ri 港 図land(ed) |end(ad)] 着陸する そのカモメとどのような約束を交わしたのでしょうか。 One morning Zorba opened his eyes. A small white head direetion |darekjan) 方向 Zorba was relaxing on a balcony 図mom (mám]ママ 図dirty Ida:rtij 汚れた 図fat [fe 太った 回cover(ed) [kAvar{d)] was looking in his direction. おおう goil |5i] 油 near the port. Suddenly, a gull landed “Mom." 17 回dead (déd死んだ 回laid Ileid layの過去分詞 ロー lay |léi] (卵を)産む Ocare [kéar」世話 図rat(s) [ret(s)| ネズミ 2mean (mi:n] 意地悪な 2attack(ed) atek(t)) おそう near him. “I'm not your mom. But you're lucky. So that's your name, “Help me," the gull cried. “I'm Lucky." covered with oil. I'll soon be dead." ロtake care of …の世話をする “What can I do?" asked Zorba. ロbody [bádij体 Zorba |z3:bal ゾルバ(名前) gull IgAl] カモメ my child, and teach it how to fly. Will you?" “Me?" Zorba took care of Lucky. When dirty, fat rats and mean “Yes, you," said the gull. cats attacked her, Zorba protected her. “I promise. In time, Lucky became a beautiful gull. 10 “Thank you," the gull said. She soon died. Under her bodv Zorba found the egg. Notes ● Zorba's Promise この話の原作は、 1996年にス ペイン語で出版された。18か国 語以上の言語に翻訳され,ヨー ロッパで大ベストセラーとなっ た作品。 Story Words タンカーでた油に体中がれてたカモメ。港に黒ネコのゾルバは、

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英語 中学生

英検準2級 2020年1月23日実施の英検です。 どなたか答えを教えてください🙏💦

Akemi tried many different jobs before she became a teacher. Her parents are glad that ( ) she has found a job she enjoys doing. 1 in detail 2 in return 3 at the most 4 at last (12) A:Mom, where's Dad? He said he was coming to the baseball game with us. B:He had to work today, so he won't be coming ( 1 by chance 2 before long 3 after all 4 in control (13) The president said that his country was a good place to do business because ) natural resources such as natural gas and fresh water. 3 rich in it was ( 1 safe from 2 ashamed of 4 surprised by (14) A:Mom, is our plane flying directly from Tokyo to London? ) way of CIVC B:No, this time we are going from Tokyo to London ( Singapore. 1 by 9mno 9V69 3 for 2 on at (15) When Craig goes to his best friend's house, he always makes himself at ) and relaxes on the sofa. the time 1 the front 3 home 4 hand T2t Y: 0 mom aid one ) his breath while he was walking past the garbage near the ) 1on (16) Tom ( small river. He did not want to breathe in because it smelled so bad. 1 held 2 made 3 cut 4 stole Jennifer broke her leg last week, but she will still ( dodw ) a role in the school festival tomorrow. She is going to help sell cookies. brushoV lsi 2 show (17) ob:31/ tell 101 uo 4 play 1 25slg.sssi9 Xuls s 1ob10 of lil b'l : 8 (18) A:Beth, I thought you didn't like your job at Maxville Sales. Are you still sloo To sltods working there? B:Well, I'd like to quit. I (0oquoo ) to find a new job since last summer. 1 would be tryingon 2'vabot moit 2 u have been trying 3 to try 記d liw obro u04 (will try Siates W area': 10 00 (19) 4:Have you ever been to Europe, Ellen? ) France in the future. B:No, but I hope ( 2 3 Visiting 4 will visit 1 to visit visit (ot oime (20) A:Are you going to the party on Friday? B:Idon't know ( i gand )I can go or not. I have to ask my mom first. 1 what |2 that 3 whether 4 how

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英語 中学生

1枚目は文章題をで、残りが問題です。 至急教えて欲しいです お願いします🤲

4 英語クラブに所属するケイ(Kei) が, プラウン先生 (Mr. Brown) や仲間とともに, 地 域に住むノルウェー (Norway) 出身のアーベルさん(Mr. Abel) 宅を訪れて取材しまし た。次の英文は, 英語クラプが発行する英語新聞に載せた記事です。英文を読んで、 J w avab hio sda ai" あとの各問い(問1~問4)に答えなさい。 od booy Yacs aw 3o0ts 注) Mr. Abel is a friend of Mr. Brown's and he is from o D bracers Norway. He came to Japan about ten years ago. One day in afnrrassex August, we visited his house. It was very hot outside. There p oigosyiqmne ntbipd wsn idsrw うsuod were many tall trees around Mr. Abel's house and the wind bo through the trees was a little cool. We were surprised to Vedanon wsa bus_eと iiant dod 0d s bfod ot valw tat eds ai 3et' see Mr. Abel's house, It was a traditional Japanese house. o It was made of *wood and its roof was a *warabuki-yane.。 wood木材 1g * warabuki-yane わらで作 Mr. Abel wvelcomed us. We followed him in his house.We i られた屋根付 おじな : follow(ed) ~の後につい sat on tatami. When I touched the tatami, it was cool. The て行く「k op d .Yob tt s rg.ji ni btog so 7月b.bloo お *sunlight through the * sunlight 日光 d t bs sp2rort was not so strong and it was id うどりばま gi okog oelA beautiful. We had tea and he told us about houses. 89walt hae sasyy n5org Ietonned #u hoot voins ans つになができ Tro sitr ne 1o s02 wokd bona e er t rida Mr. Abel: “Im from Norway. In my country, there are four ) i nobi ail oert seasons like in Japan. But *as you know, it is very cold in od: as you know 知っての通 り winter in my country. Traditional houses in my country *grass on their roofs. Do know why? Cold air in have you *grass 草 t ThoN winter or hot air in summer doesn't *affect you so much * affect ~に影響する when you have grass on the roof of your house. Traditional fetA 1M 1わりonw et houses in Norway are like traditional Japanese houses with Ji bolil od bas n t bad odhg gvBt warabuki-yane and they are nice to live in. So when I found h euot ertS 357 3 ) 1 val Frbi5 od d.bi6 ont or this house, I decided to live in 1t. Of Course, nad o * fix ~を修理する Some parts of this house because it was old, but I like to live in this house. *Natural #building materials like grass o natural /自然の S and wood are useful and they are also good for'vonr haelth pulding materiale) 建築 and the Earth.When people these natural building 1 S use materials for their houses, they don't need so much energy ngae digpetiapa woT tt ot 3 がs せ u tptoy ponaca th3R Itbr. 10 brabye gahuu

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