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英語 中学生

⑦に入る2語を答える問題です! 答えがfour hoursなのですが、なぜそうなるのですか?私はeight hoursだと思いました!!

10 15 20 5 6 次の英文は Olango という森の中にあるいくつかの村に住む動物たちの対話です。 これを読んで、あとの問いに えなさい。 Ay 40 was ' Kabbu is head of the Post Office of Olango, a forest. Many kinds of animals live there. Kabbu and his tea carry letters all over Olango and to other forests. Kabbu's Post Office is very popular among all animals there. Ullu: Why are you so sad? Kabbu: *Probably we'll have to lose my job. Have you heard of the Internet? Ullu: Have humans planned to catch us with a new kind of net? Kabbu: No, no. I hear the Internet is new *technology. All the computers can talk to each other through the Internet. We can talk with everyone around the world by a computer. Leo has the newes computer. He is always using it. He has also made many friends through the Internet and talk with them for hours. Ullu started to think about the Internet after he listened to Kabbu's long report about it. Ullu: Tell me, Kabbu, why will you have to lose your job because of the Internet? Kabbu: Leo is now sending e-mails all over Olango and to other forests. He says everyone in this village will be able to use his computer and send e-mails from his computer. Now, if everyone starts sending e-mails, ① 私たちはどうすればよいのかわかりません。 45 Ullu: Wait, wait. Now what is 'e-mail'? I haven't heard of it. Kabbu: It means *electronic mail'. It is used to send every kind of letter from one computer to other computers through the Internet. It takes only *a second and it is almost free. Ullu: I can't believe it. Kabbu: It is true. So I am very sad and worried about it now. With a sad face, Kabbu flew away. Kabbu was the oldest animal in Olango and was respected a lot by Leo Ullu decided to go and meet Leo and talk with him. At Leo's house, Leo was sitting in front of his computer. Ullu: Leo, can you give me a few minutes? I have to talk about something important. Leo: What is it? Ullu: It is about Kabbu, but I think it may be about all of us. Leo: OK, tell me about it. Ullu: But Leo, I think 50 55 1 60 Ullu told Leo about Kabbu. Leo: Well, Kabbu's *concerns will be real. We usually think high speed and *efficiency are very important, so there is little *chance for old ways. I can send a message in a second through the Internet. But Kabbu and his team need a few days to carry one. Why should I *depend on them? And the *price of their mail is much higher than the price of e-mail. Ullu: But, Leo, what will happen to Kabbu and his team? Leo: They will have to 3 The Internet will become more important in the future and e-mail will be one of the most useful things. 4 trains in the future." But now, "No one will go to see a movie." But both... Leo: You may have a lot of things to say about it, Ullu, but soon e-mail will make Kabbu's mail *useless. Kabbu and his team should start looking for other jobs *after all! For example, when a plane was invented, people said, "No one will see trains still continue to run. When a TV was invented, everyone said.

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化学 高校生

(5)は何をしていてどういう意味ですか?

修 問 59 ヤングの実験 光源 スリット板 スクリーン P 水平な台の上に2つのスリット S1, S2 の付いたスリット板とスクリーンを距離L d -L- だけ離して置いた (右図)。 St, S2 から等距 三 離の位置にある光源からスリット板に向け てレーザー光を当てたところ、 スクリーン QT** 17 上に明線と暗線が交互に並んだ干渉像が現れた。 光源と2つのスリットの中 点Mを結ぶ水平直線がスクリーンと交わる点を0, スクリーン上において 点Oから水平方向にだけ離れた点をPとする。 スリット St, S2の間隔d. および OP 間の距離xは, スリット板とスクリーン間の距離に比べて十分 に小さいものとする。 物理 S S2 (1) スリット S1, S2 から点Pに到達した回折光の光路差を求めよ。 (2) レーザー光の波長を入として、隣り合う明線の間隔を求めよ。 (3) d=0.05[mm], L=1.0〔m〕 のとき、隣り合う明線の間隔は1.26 [cm] であった。レーザー光の波長を求めよ。 (4) 明線の間隔を広げる適切な方法を、次の(ア)~(ウ)のうちから一つ選べ。 (ア)Lを小さくする。 (イ) dを大きくする。 (ウ) 入を大きくする。 (⑤) スリット板の左側に単スリットの付いた板を置き, 白色光を当てた。点 0以外の明線の様子として適切なものを、次の(ア)~(ウ)のうちから一つ選べ。 (ア) 白色の明線 (イ) 単色 (特定の色) の明線 (ウ) 虹色の明線 (北海道工大)

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