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English Senior High

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Drilis Fill in the blanks and complete the sentences. A 1. Montreal in Canada is the ( ) ( カナダのモントリオールは, メール友だちが住んでいる都市です. ) ( 夏は私たちが旅行を楽しむ季節です. 2. Summer is the ( 3. Judy is honest. That ( ). ( ジュディは正直です. そういうわけで私は彼女を信頼できます. 4. This ( ) ( このようにして, 私は昨年, 彼と知り合いになりました. ) my email friend lives. ) we enjoy traveling. 2. Yesterday my sister made us lunch, 3. She went to Rome, 4. We visited our grandmother last Saturday, 2 Make the two sentences into one. Pay attention to the underlined words. A Example: This is a store. (You can buy jeans at a low price there.) This is a store where you can buy jeans at a low price. 1. They visited the village. (The famous scientist was born there.) 2. She will never forget the day. (She first met him on that day.) 3. I don't know the reason. (He was angry with me for the reason.) CC I can trust her. ) I came to know him last year. A 3 Choose appropriate words from a) ~ d) to complete the sentences. B 1. I have a Korean friend, 3. 4 Complete the sentences and read them aloud. Grammar in Context a) where she stayed for three weeks. b) which was very good. c) who is studying at a college in Kyoto. d) when we saw the fireworks together. Australia 1. オーストラリアはアボリジニ (the Aboriginal Australians) が住んでいる国です . their sacred place. 2. オーストラリアの世界遺産の1つはウルル (Uluru) です. それは彼らの聖地です . the Aboriginal name "Uluru" rather than the English name "Ayers Rock." そういうわけで、私たちは今は英語名の 「エアーズロック」よりアボリジニ語名の「ウルル」を 使っています. Grammar for Expression [Can-Do 理由を述べる ] Replace the underlined parts with your own words and give a reason for your statement. My sister really likes sweets. She often eats chocolate between meals. That's why she has tad

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English Senior High

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eve latin ethi 定する =ろう -ld Ce た al homsmo n ) elevator is becoming a reality. Carbon nanotubes discovered scientist made it possible in ( ). Though there ) to solve, the elevator will have many good points. ) than a rocket because it will use ) than a rocket, which might crash ) panels in space. In ). In the ) to space by the elevator. ) of outer ( ►Fill in the blanks. A ( by a ( are still a lot of ( The elevator will be ( ) power. It will be ( or ( ). Also, it will let us addition, it will be our gateway for ( future, everyone might be able to take a ( Active Study 日本の宇宙開発について調べ, 簡単な英語で発表してみよう。 Drills A Change the verbs into the correct form. 1. If it (be) not raining, we could see the full moon. 2. If our school had a science club, I will join ) it. 3. If he were an astronaut, he (can travel) to space. place ( * astronaut [æstronò:t] FI 4. If I (see) a shooting star, I would make a wish. 5. What would you take with you if you (go) to the moon? LESSON B Make the two sentences into one using "..., where ~.” 1. The boy went to the Tanegashima Space Center. He saw a real rocket there. 2. I climbed Mt. Fuji. Many tourists were taking pictures there. 3. Akira entered a university in America. He studied science there. C Change the verbs into the correct form. 1. I (study) hard for the science exam about this time tomorrow. 2. I (travel) in New Zealand to see the stars about this time next week. 3. Don't call Misaki between 8 and 9 o'clock tonight. She practice ) the piano. 4. A: Can we meet tomorrow? B: Sure, but not in the morning. I play ) tennis with my club members then. 51 (-2-¹)- 乗根で

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English Senior High

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26 1 Choose the best answer to fill in the blanks. (15) (1) Peter ( ) for ten years next month. 1 teaches 3 will teach (3) Our teacher is ( likely (2) In my class, there are three students from abroad. One is from England and ( are from Australia. 1 another (4) My father is ( 1 more tall 2 others (5) My parents objected ( 1 to my climbing 3 me to climbing (8) ( (6) She had to shout to make herself ( 2 hear 1 have heard 1 Judging from 3 Though 2 will be teaching 4 will have taught ) to come by the time we promised to get together. 2 possible 3 probable 4 definite ) of the two men standing at the gate. 2 taller 3 the tall 3 the other (7) The project could be called a success, all things ( 11 consider 2 considered 3 considering ) the mountain alone in winter. 2 me of climbing 4 on me to climb TOT ) the sky, it will rain this afternoon. (10) We are now in the ( 1 late ). 3 heard (11) All teachers and students are not ( 1 necessarily 2 necessary 4 the others ) half of our training camp. 3 later 2 latter 4 the taller (9) You must leave now; ( ), you will be late for your social studies class. 1 instead 2 therefore 3 otherwise 4 accordingly 4 hearing 2 Generally speaking 4 It being 4 to consider (13) Next week's seminar ought to provide ( 1 ours (2) our 4 last ) wise and hardworking. 3 need 4 needed (12) ( ) had the war begun when terrorists hijacked a plane. 1 The moment 2 No wonder 3 Hardly 4 As soon as /13 ) with a lot of new information. 3 ourselves 4 us made er discr deceived ( 東京電機大 ) Intentio e you go prepare e two g notice (京都産業大) (関西学院大 ) THIOS (千葉工業大) Gs not lil aimless NT 13 (実践女子大) (摂南大) (大阪学院大 ) chance (國學院大) (二松学舎大 SE 否定 not alwa not quit けではな • I not at (センター試験) lot ~ ei •I (城西大 N 全体否定 I する ardly N SOO A

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Mathematics Senior High

bが当たる確率は、aと同じように1/4なのになんで確率の加法定理を使わないといけないんですか?? あと、AとBの和事象でどうしてBの確率が出てくるんですか?

290 00000 基本例題 36 確率の加法定理 (順列) 20本のくじの中に, 当たりくじが5本ある。 このくじをa, b2人がこの順 p.284 基本事項 に1本ずつ1回だけ引くとき, a, b それぞれの当たる確率を求めよ。ただ し,引いたくじはもとに戻さないものとする。 CHARTO SOLUTION 解答 確率P(AUB) A, B が排反ならP(A)+P(B) ......!! b が当たる場合は、次の2つの事象に分かれる。 A:aが当たり , bも当たる よって,事象 A,Bの関係 (A∩B=Øかどうか) に注目する。 なお,確率の乗法定理 (p.310 参照) を利用してもよい。 5 1 20 4 B:a がはずれ,bは当たる a が当たる確率は 次に,a, b2人がこの順にくじを1本ずつ引くとき、起こりう るすべての場合の数は 20P2=380 (通り) このうち, bが当たる場合の数は A: a が当たり, bも当たる場合 P220(通り) B: a がはずれ, b が当たる場合 15×5=75 (通り) A,Bは互いに排反であるから、確率の加法定理により, bが当たる確率は 20 75 95 1 380 1380 380 P(AUB)=P(A)+P(B)=; + 5P₁ 20P₁ でも当たる確率 ◆2本のくじを取り出して a,bの前に並べる場合 の数。 amoupra ◆ 事象 A, B は同時に起 こらない。 INFORMATION 当たりくじを引く確率は同じ 上の例題において,1本目が当たる確率と2本目が当たる確率はともに 1/2 で等しい。 一般に, 当たりくじを引く確率は, 引く順番に関係なく一定である。 また,引いたくじをもとに戻すものとすると、1本目が当たる確率と2本目が当たる 確率はともにである。したがって 当たりくじを引く確率は,引く順,もとに戻す、もとに戻さないに関係なく等しい。 PRACTICE・・・・ 36 ② ずつ1回だけ引くとき、 次の確率を求めよ。 ただし, 引いたくじはもとに戻さないも 20本のくじの中に当たりくじが4本ある。 このくじをa,b,c 3人がこの順に、1本 のとする。 (1) り る確率

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