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English Senior High

わからないので教えてください!

1 次の英文(教科書 p.77) について, 後の間問いに答えなさい。 (1)Using energy not only harms nature, but also uses up the earth's natural resources. Today, we will think about how we can save energy. We all turn off the lights (2) when we leave a room, (3)which is common sense. But what surprises many is that buying too much also wastes energy. Factories use electricity (4)to create goods, and trucks use gasoline to bring them to stores.(5)Let's not buy what we don't need. (1)下線部(1)と同じ ing 形の働きをする文を1つ選び, 記号で答えなさい。 ア. I'm looking forward to seeing you. ウ. Look at the sleeping cat. イ. Listening to the music, I studied. エ、 She is going to visit Malaysia. (2)下線部(2)と同じ when の働きをする文を1つ選び, 記号で答えなさい。 ア. When do you swim in the sea? イ、Iknow when they will come. ウ. It's time when you must get up. エ. When they study, they use the room. (3)下線部(3)はどのような内容を指すか。 次の( )に入る適切な日本語を答えなさい。 「私たちは皆,部屋を出る( )には、電灯を( )。」ということ。 (4)下線部(4)と同じ to不定詞の働きをする文を1つ選び、 証号で答えなさい。 ア、Iwant to sing the song. ウ、He practiced hard to be a champion. イ、It's easy for me to play the drams. エ, Would you like something to drink? )に与えられた文字で始ま (5)下線部(5)を次のように書き換えた場合,どうなるか。( る語を本文中から抜き出し, 英文を完成させなさい。 Let's not buy (t

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English Senior High

これを全部和訳してほしいです

You do not You may think that sailing is a difficult sport, but it is really not hard to learn it. need to be strong. But need to be quick. And you need to understand a few basic rules about you 本本 the wind. First, you must ask yourself, “Where is the wind coming from? Is it coming from ahead or The wind direction behind or from the side?" You must think about this all the time on the boat. tells you what to do with the sail. Let's start with the wind blowing from behind. This means the wind and the boat are going in It should be at a ( A) che same direction. Then you must always keep the sail outside the boat. angle to the boat. Then it will catch the wind best. If the wind is blowing from the side, it is blowing across the boat. In this case, you must keep the sail half way outside the boat. It should be at a ( B)angle to the boat. It needs to be out If it far enough to catch the wind, but it shouldn't flap. It shouldn't look like a flag on a flagpole. is flapping, it is probably out too far, and the boat will slow down. Sailing into the wind is not possible. Ifyou try, the sail will flap and the boat will stop. You may want to go in that dircction. It is possible, but you can't go ina straight line. You must go back and forth. This is called tacking. When you are tacking, you must always keep the sail inside the boat. Tacking is the most difficult kind of sailing. It is also the most exciting. You have to watch the sail all the way. The wind may change suddenly. Then you must be ready to change the sail. These are the basic rules about the wind direction. It may be difficult to follow them at first. Sometimes it is difficult to know where the wind is coming from. But soon you will learn to feel it く on your face. Before long, you will easily be able to sail the boat. But remember - do not go out alone until you really know what to do on the boat. Sailing a boat is fun, but before you can enjoy it, there are many things to learn. 【note) from ahead or behind 「前方からか後方からか」 flap 「(旗などが)パタパタとはためく」 back and forth「前後に」 tack「ジグザグに進む」

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Mathematics Senior High

大門2の(2)なんですけど、どのように答えを導き出せばいいのかわかりません。 答えを見てみたんですが、それでもよく理解できませんでした…、、

2 右の表は, 80人の生徒を A, B, Cの3つのグループ に分け,テストを行ったときの得点の結果をまとめたも のである。以下の (1) グループAとBを合わせた 60 人の得点の平均値は ア]点であり,グループBとCを合わせた50人の 得点の平均値は イ点である。 グループ||人数|平均値標準偏差 A 30 57 15 に当てはまる数値を答えよ。 60 20 B 30 C 20 55 15 (30x60) +(20x ) 58.5 1800110) 5)58.5 * 54.5 58 60 × 2900 ミ (2) 2つのグループ B, Cを合わせた 50人をグループDとし,グループD の標準偏差を次のよう に求める。ただし,/21 グループBの30 人の得点の2乗の和を ge, グループCの20人の得点の2乗の和を gc とする。 58 4.583 を用いてよい。 ニ n個のデータの値 xi, X2, Xn の平均値x と分散s°について 1 s*=- (x?+x*+…+x,)-(x)° すなわち -(x?+x°+……+x,)=\+(x) +x,°)-(x)? すなわち n n が成り立つ(12 ページ Point5 3)。 これを利用すると, 1 グループBの得点の2乗の平均値について IB 30 2 2 ウ エ オ グループCの得点の2乗の平均値について Ic 20 2 2 カ ク となる。 よって,グループDの50人の分散 sp° は 2 1 (gB+ gc) -イ 1 オ 2 三 2 Sp |× 30+ク]× 20) -ケ 50 50 コ となるから,グループDの標準偏差 sp を四捨五入して小数第1位まで求めると Sp である。 サ (点)

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