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英語 中学生

英語分からないので教えてください🙇‍♀️ お願いします🙇‍♀️

長文問題 1 決めるのは君だ! What is the best way to improve your English? ( A ) is no In fact, people have different opinions about this. Some people say, "Increase your vocabulary easy answer to this question. by memorizing lots of words." Other people say, “X単に文法と翻訳だ けを勉強しなさい。” 2 What do you do to improve your English? Do you (1 English songs? Do you (r you (w a diary in English. 3 If you want to improve your English, you have to communicate in English. Studying vocabulary and grammar, reading and listening to English material, and writing in English are all very important. At the same time, you need to realize that (2) doing these will not automatically make a good communicator of English. If you want to be able to communicate in English well, you have to experience actual live conversations. 2 1 Unit ) to ) novels or magazines in English? Maybe English videos on the internet or even ( k ) Target ① be 動詞・一般動詞 ② 進行形・命令文 ③比較 improve 上達させる in fact 実際に increase 増やす vocabulary grammar and translation 文法と翻訳 material at the same time でもやはり actual live conversation 現実のなまの会話 4 Y あなたは今, 尋ねていますか, “What does it mean to have actual live conversations?" This means that you need to take every opportunity to speak English. (3) Don't say, "I don't have any opportunities to speak English." You live in a world with endless possibilities. 5 (B) are so many tourists from all around the world in Japan now. Also, people from other countries live in Japan. When you see them, why not strike up a conversation? (4) When you don't know where they are from, you can use English. ZEALADAT. They will be happy to speak with you. 6 The internet has opened up the world to you as well. With e-mail and social media, you can get in touch with people all over the world. Guess what language comes in handy? That's right! It's (5) ). 7 You can always speak with your English teachers at school. (6)Speak with them in English not only during class time but also during other times of the day. You may have other friends who want to practice English like you. Create an English conversation club. Maybe an English teacher will help you. opportunity endless 無限の strike up 始める social media ソーシャルメディア get in touch with ~ ~と連絡をとる come in handy 役に立つ

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数学 高校生

(2)の赤線部分が理解できません。なぜa+b=0になったのでしょうか?赤線の前の行までは理解出来ました。

基礎問 150 第6章 微分法と積分法 95 接線の本数 曲線C:y=x-x 上の点をT(t, ピーt) とする。 (1) 点Tにおける接線の方程式を求めよ. (2) 点A(a,b) を通る接線が2本あるとき, a, bのみたす関係式 を求めよ.ただし,a> 0, b=d-α とする. (3) (2) のとき, 2本の接線が直交するようなa, bの値を求めよ. (2) 3次関数のグラフに引ける接線の本数は、接点の個数と一致し ます. だから, (1)の接線にA(a,b) を代入してできるもの3次方 程式が異なる2つの実数解をもつ条件を考えますが,このときの 考え方は 94 注で学習済みです。 (3) 未知数が2つあるので, 等式を2つ用意します. 精講 1つは (2)で求めてあるので,あと1つですが,それが「接線が直交する」 を式にしたものです.接線の傾きは接点における微分係数 (83)ですから、 2つの接点における微分係数の積=-1 と考えて式を作ります. 解答 (1) f(x)=x-x とおくと, f'(x)=3x²-12 よって, Tにおける接線は, KORZ y-(t³-t)=(3t²-1)(x-t) ∴.y=(3t2-1)x-2t3 x M C (2) (1) の接線は A(α, b) を通るので b=(3t²−1)a-2t3 る ₂T (t, t²-t) =10152 Ex.31= a bett ∴.2t3-3at2+a+b=0....... (*) (*)が異なる2つの実数解をもつので、 g(t)=2t-3a2+a+b とおくとき, y=g(t) のグラフが,極大値、極小値をもち, ( 極大値)×(極小値)=0 であればよい. 94 注 g'(t)=6t2-6at=6t(t-a) g'(t)=0 を解くと, t = 0, t=α だから g'(t) = (t (t-a) = 0 85 git g(土) y=x²-x Ň A(a,b) f x...? CASAS b (3) IKI HV 3次 すると ・余 ・C 演習問

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英語 高校生

下の5問お願いします

Less Changing Behavior in Unique Ways Comprehension Can-Do Language 人々の行動を変え、社会を向上させる「仕掛け」の機能を理解することができる。 不定詞を適切に用いることができる。 人の行動を変えるだけを見てような方法があるでしょうか。柔軟な考えから生まれた。好ましい行動を促 ▶▶▶ Read the passage. Easy Version 197 words 目標1分58秒 There are some interesting ways to change people's behavior. If you draw a line on the backs of file boxes, people will know where to put them on the shelf. 行動 ファイルボックス If you put a basketball hoop above a toy box, children will want to put away their toys. These ways are ゴール ~を片付ける called triggers. 仕掛け There are other good examples of triggers: the “Piano Stairs” and “The World's Deepest The stairs make piano-like sounds when people use them. The bin makes an [ Bin. ピアノのような interesting sound when people put trash in it. These triggers come from new, flexible ideas. Such ideas are useful to deal with social problems. To make children wash their hands, soap ごみ 柔軟な that has a toy inside was used in South Africa. After the Great Hanshin-Awaji Earthquake, 南アフリカ共和国 阪神淡路大震災 volunteers used dekimasu zekken and showed their skills. Triggers to solve social problems are called social design. You can see it in many Japanese cities or villages. For example, Inakadate Village started to design rice fields as 田舎館村 art, and now many people visit the village. If people give money to Kumamoto Castle for its 熊本城 renovations, they can become "castle lords." In these ways, social design can make our 修復 城主 communities better. Answer T (True) or F (False). (1) Triggers are a good way to change people's behavior. ( :) (2) Both the "Piano Stairs" and "The World's Deepest Bin" make sounds when people use them. (3) Children in South Africa used toys when they washed their hands. (4) A lot of people go to Inakadate Village to visit an art museum. (5) For renovations, the lord of Kumamoto Castle collected money. ( Lesson 4 33 onal kodan-shi rmance : kodan-shi ly

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