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English Senior High

丸つけお願いします🙇‍♀️ 違ってたら答え教えてください

O for 55. I was ( poured say 63. We ( A()に入る最も適当なものを選びなさい。 51, Scotland is famous ( 64. Don't ( LESSON 2 for 3 by at with 52. I waited for two hours at the station but he never ( turned in showed up 3 appeared on made starting 6 LESSON 2 ) its beautiful scenery. 53. Our teacher kept ( Ⓒup 2 to 3 of 54. As soon as the situation became clear, many people called ( ) the president's resignation. (中央大) ). 4 arrived on ) speaking as if nothing had happened. 4 on 2 down 3 round 4 away ) in a shower on my way home. persisted 3 run 4 caught interrupt 2 cut 56. I got nervous because I was not used to ( have spoken 57. Some of my classmates used to ( 0 talk 2 take 3, make 4 get 58. When you get drunk for the first time, you might feel (__) singing or dancing. take 2 like 3 to 4 at (大東文化大) ). (岡山県立大短大) 59. This medicine will do you ( 0 happy good 3 effect 60. The candle is on the verge of ( passing 2 coming 3 going 4 dying 61. My father just can't stop smoking. He should be ( anxious 2 ashamed 3 laughing 4 relaxed 62. Needless to ( in many ways. (賢明女子学院短大) ) to a large audience. speaking 3 be spoken 4 speak ) fun of me. 4 comfortable ) out. speak 3 tell 4 talk ) our restaurant ten years ago in Paris. 2 started out 3 set up 4 set for ) in with your remarks while I am speaking. 4 get 3 take (上智大) (相愛女子短大 ) ) of himself. (駒澤大) (昭和女子大) ( 清泉女子大 ) (神戸松蔭女子学院大) ), the rise of science and industry has benefited the human race (関西外語大) (名古屋工業大 ) (上智大) (西南女学院短大)

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English Senior High

答えが違うところが合ったら解説お願いします

A ( )に入る最も適当なものを選びなさい。 1. Take the number 8 bus and get ( 4 on 3 off 2 down away ) this application form. 2. Please fill ( 4 to 3 on 2 in Qwith 3. Soccer is very popular ( 1 to 2 at 3 among 4. Don't forget to write ( 0 down 2 off ) Japanese students. 4 between ) when and where we will meet next. Oby 4 away ) early hours will live long. 5. Those who ( rise 3 have 4 keep take 6. She persistently asked her son to clean ( 0 on 3 off 4 up down 7. The international conference ( 0 held 14, I saw ( ☐8. I ( 1 got 9. Kathy is ( 0 pride of 10. I haven't ( heard from 2 listened from 11. I want such silly rules to be ( taken removed 3 cut 12. His name is known ( for 2 to with ) cancer last year. LESSON 1 13. My father died ( 0 of 2 on 3 with 4 in 2 LESSON 1 took hold 3 organized ) a very good time in New York. 2 stayed Ⓒoff him at 15. Please try to ( take get ) the bus stop. ) at Forest Road. ) in May three years ago. 4 took place ) his room. had 4 passed ) never having been late for school. pride in 3 proud in 4 proud of ) my girlfriend for more than three months. him off 3 off him from ) the best use of the time left. 3 make 4 pay (愛知学院大 ) 4 him off at (福岡大) 3 received from 4 talked from ) away with. 4 done ) everyone in our town. 4 in (東海大) ( 桃山学院大 ) (札幌大女子短大) (駒沢大) (南山大) (上智大) (愛知学院大 ) (大東文化大) (愛知県立医療技術短大) (流通科学大) (福島大) (名古屋外語大) (愛知学院大短大)

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English Senior High

英語の語法問題です。解答を教えてください。 解いて頂けると幸いです。

The viewers of a popular TV drama were most unexpected man. 1 shock 2 shocked The population of that country is three times as ( 1 far 2 little 3 many 3 shocking We had to break the secret code by means of every ( online. 1 amount 2 hand Bob wants his children ( the answers. 1 be done A lot of ( 1 spectators 人工知能の目標の1つはコンピューターに普通の言葉を理解させることである。 One of the aims of artificial intelligence (computers / get / is to / language / ordinary /to/ understand). <東海大 > iary of beru! (EL 3 piece I would like you to consider ( 2 be having ) last night to see its heroine marry the 4 to shock as its neighbor's. 4 large iyons 2 do my father 3 were doing 4 to do 3 has been falling significantly in recent years. O 4 value タクシーであの博物館に行くことを勧めます。 I (a/suggest/take / taxi/to/you) that museum. 〈関西学院大 > ) of information available <東洋大 > ) their homework on their own, instead of asking him for all 157 〈 関西学院大 > 12binong sial ant ) were in the soccer stadium to cheer on the players.n asaulibros 2 guests 3 audience 4 customers (**) ) a little more active during class discussions. 3 being 4 is 〈 大東文化大〉 It is a cause for concern that the number of students going to abroad on study exchanges 2 5220 <学習院大> afbold @ Alw douan < 東洋大 > <中京大〉

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Mathematics Senior High

この写真の参考(その1)の別解についてなのですが、 ①赤線部分の4-2α=0、-2β+α=0となる理由がわかりません。 ②また、この解き方がどのような仕組み、考え方で解いているのかわかりません。

基礎問 3 188 124 2 項間の漸化式 (Ⅲ) (2)=1, an+1=3a+4n (n≧1) で表される数列がある。 (1) an+2n=bm とおくとき. b. bs41 の間に成りたつ関係式を 求めよ. (2) bm を求めよ. 開 124 = pantan+r (p≠1) • ① 型の漸化式の解き方には 3通りがあります。 Ⅰ. an+an=b, とおいて, b+i= pbs+g 型になるように、αを決める 精調 II. a.tan+β= b, とおいて, bsta=rb 型になるように、α.βを決める 番号を1つ上げて as+z= pas+g(n+1)+r② を用意して ②①を計算し、 α+1-α = b とおいて、 階差数列の考え方にもちこむ この問題では,Iを要求していますので、II. の解答は を見て下さい 解答 (1) an=b-2nan+1=5x+1-2(n+1) だから, これらを与式に代入して bn+1−2(n+1)=3(bm-2n) +4n …. b+1=36+2 (2) 6 +1=36+2 より 6 +1+1=3(b+1) ゆえに, 数列 (6+1} は, 初項 b1+1= (a,+2)+1= 4, 公比3の等比数列. よって, bm+1=4.3"-1 bn=4.3"-1-1 an-bn-2n-4-3-¹-2n-1 (3) (3) an を求めよ. 参考 (その1)(ⅡIの考え方で) an+an+B=b. とおくと, an-bn-an-B, anti-ba+1-a(n+1)-B 与えられた漸化式に代入して bs+1-α(n+1)-β=3(bm-an-β)+4n ○ ポイント b₂=4.3"-1 よって、a=bュー2n-1=4-3-2n-1 E 注 an+an+B = b, とおく理由は, 漸化式の中の4n がじゃまで、こ と an + に分配することによって4n を視界から消すことを考 えているからです。 bn+1=36+(4-2a) n-2β+α ここで, 4-2a=0, -28+α=0 をみたす α, βは,α=2, 8=1 よって, +2n+1= b, とおけば, bn+1=3bs, bs=4 ∴. bm+2=8.3-1 次に, n ≧2のとき (その2) (Ⅲの考え方で) [x+1=3an+4nⓘ より,x+2=30si+4(n+1) ② ②-① より, an+2an+1=3(4s+1-a)+4 ここで, an+2a=b とおくと bat=30+4,b=a2-a=6 (42=3a+4=7) よって, bn+1+2=3(b,+2), b1+2=8 よって R-1 an= a₁ + Σ b=1+ (8-3-¹-2) A-1 n-1 A-1 b=8-3-1-2 a=3a+2 より a=-1(123 =1+8.3g-11-2(n-1)=4-3"-1-2m-1 = paste [ 123 121 ポイント 1 121 189 117 118 これは,n=1のときも含む. Ⅲの考え方の解答は,左端に示したように.12.3°の3つの部 分から成りたっています。 それぞれの部分はすでに学習済みです。 漸化式は,おきかえによって、最終的に次の3型のい ずれかにもちこめれば一般項が求まる Ⅰ. 等差 Ⅱ. 等比 Ⅲ. 階差 7 (a) 第7章

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