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English Senior High

2011年北海道大学の英作文の添削をおねがいします。questionCです。 字数が足りていませんが、それ以外の部分をおねがいします。

Australia, the United States, and urban India. Rend the following passage and answer questions A through C in English. while their wives work outside the home, Stay-at-home dads are also called stay- Stay-at-home dads are married fathers with children who care for their family domestic burden has led some couples to completely reverse their roles. The number of stay-at-home dads is starting to increase in Britain, Canada, 「husband who can do the housework, such as shopping, cooking, and looking alter the children. The widespread expectation that men should share the vin England showed that 75 percent of women in their twenties prefer a 38 on were breadwinners and women were caregivers. Arecent Traditionally, Survey can Many stay-at-home dads take great pleasure in showing affection to their children. Their wives can pursue careers without worrying about teaching family values or paying for child care. Research suggests that children of stay- athome dads often benefit from strong bonds with both parents, whereas the father's role ina stay-at-home mom household is less influential. Although the number of stay-at-home dads is increasing, it remains small Compared to the total number of fathers. In the United States, the government estimates that in 2009 there were 158,000 stay-at-home dads, a mere 0.2 percent of 67.8 million fathers. In Australia, about 1 percent of fathers are stay-at-home dads. In urban India, one estimate suggests 3 percent of fathers stay at home full-time. Some stay-at-home dads suffer from social stigma. Many people, including stay-at-home moms, do not understand why a man would choose to give up his career to care for his family full-time. Being a stay-at-home dad can also be career suicide. Many employers view stay-at-home dads as lacking ambition and commitment. Losing professional skills may prevent stay-at-home dads from returning to the workforce.

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Mathematics Senior High

☆印のところがわからないのですが、BーCの範囲はどうやってわかったのでしょうか?

(2)与式 =sin Bsin (120°-B)=sinB(sin 120°cos B-cos120°sin B) 14 三角関数/三角形の内角に関する問題一 sin B+sinC の取り得る値の範囲を求めよ。 ) sin BsinC の取り得る値の範囲を求めよ。 (一橋大) 三角形の問題でも,辺が現れず内角だけが問題になっているときは、 A+B+C=180° 「A>O°. B>0°, C>0", A+B+C=180°のとき,~を求めよ」 と同じことである。 囲の場合、A=60° であるから, B+C=120° (一定)である.そこで,「和→積」ゃ「積→和」の 公式を用いて, B+Cが現れるように変形してみよう。 ちろん,等式の条件式を活用する原則である「1文字消去」をして解くこともできる(理別解). 解答 B+C B-C B+C B-C (1) sinB+sinC=sin 2 +sin 令ここでは,「和→積」の公式を導 きながら答案を作った。 2 2 2 B-C B+C COS 2 =2sin 2 B-C B-C B+C=120° により, sinB+sinC=2sin60°cos- =V3 cos 2 2 B+C=120°, B>0°, C>0° のとき,-120°<B-C<120°であるから, B-C B-C 60° <60° 2 1 <cos 2 -60°< 0 2 -60° 2 V3 -<sin B+sin Cい/3 2 以上から, (2) sin BsinC= 2 lcos(B-C)-cos(B+C))= cos(B-C)+ 2cos(B+C)=cos120°=- 2 であり,-120°<B-C<120° により, -六<cos(B-C)<1 3 であるから, 0<sin Bsin C< 4 別解(B+C=120° により, C=120°-BとしてCを消去すると) 令加法定理で展開 リ与式 =sinB+sin(120°-B)=sinB+sin120°cosB-cos120°sin B V3 2 =/3 13 -cos B=V3|sin B· 2 V3 +cosB· 2 1 3 sin B+ 2 2 合合成 =/3 sin (B+30°) 13 -sin Bcos B+ 2 1(1-cos2B) 全2倍角の公式 1 sin? B= 2 V3 sin2B+ 4 ミ 4 田 1 1 sin2B· V3 "cos 2B· 2 1 1 - sin(2B-30°)+ 2 1 4 2 4 のとは,(1), (2)とも0°<B<120° を用いる。

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English Senior High

答え合わせお願いします

This is the church (2 ) Owhere 2 which ③ at which ④towhich DIwill visit next week. the church と will visit の関係は? TRY(1) 京都は多くの人々が愛している古い都市だ。 Kyoto is an old city ( which.) (2) Iwill show you around。 the town which I was born. emi asvil ( hodmany people (1oueowo ) vod adT の W juods © where メニモン一 (bovalq \hig e\isii \tirw\I\ainnst) ai aidT 2E 217 先行詞は〈時) Summer is the season ( 4 ) most people go abroad. Owith whom ②which ③ where ④ when の同き外発関心辞目 e the season と most people go abroad の関係は? 基本 PTRE TRY I'll never forget (I/you/ the day / met/when) for the first time.」 Il never forget ( etl voui when Imet the day) for the first time. MSB [STKCO ponf ipsr ELF MS2 0 E0 nt (191is ym \ 101 Sect 218 「…した理由」 po combsnA 先行詞は the reason。空 所の後ろに欠けているもの Janet explained to Ron the reason ( 4) she was late. Owhich ②that ③ when ④why 基本 は? 224 関 PTRY ヘレンがそんなに遅くまで働かなくてはならない理由が何かあるのですか。 Is there (Helen / any reason / work so late / why / has to)?s sasiT why Helen hos to work so late)? C pids Is there lony reason TRY viansqze ei gaitia ai moT [整理して覚える 017}で, 「…するやり方 /…する様子」の表し方を確認しよう! 225関 219 「このようにして…」 関 Pd0 1oilos 太 This is ( 4 )Frank studied Japanese. 岡ケ a O who ② which ③ how ④what TRY (how / avoided / is /we / that) the accident. TRY 〈 同 こo1oe o (Thot is how we avoided) the accident. 910J2 9t ar eid DomSurm nIC vdw O STiw @ isft doidwO 220「…するやり方/…する様子」 中 、出いい 29ts9d sh \ls1od sda) sbIdon't like ( w|a) Bob treated me. O the way ② why ③when ④where We (surprised /she/the way / acted / were / by). TRY 私たちは彼女の振る舞い方に驚いた。 We (Surprised by the way She octed were 日 O

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English Senior High

答え合わせお願いします。

名詞節の中で前置詞の目的語になる場合 tiw S rdoauiio [まずは確認 024] で、 先行詞が関係代名詞節の中で前置詞 の目的語になっている場合の2種類の表現を確認しよう! Ctertケsm 212 前置詞に注目しよう TOTOW The boy ( Owhom I told you about 2 abput that I told you ③ about whoItold you )lives in Nagoya. 前置詞 aboutがあるから ofo ns ai otov O aboutI told you oy worla lliw I TRY こちらは私が一緒にテニスをした少女だ。 This is (tennis /I/with / that / the girl / played). This is ( the qurl 1 playe d tennis with 10g Jedm' のesieo bnotds og 19m2 213 目的格の関係代名詞の省略 Is this the painting ( 2w)?」m\vsb ari\oov \I)9g1ol 19ven I| O about Eric was talking O about that Eric was talking ④ that Eric was talking 「エリックが(それについ て)話していた絵」を表す には? の Eric was talking about TRY (works / the company / is / for / my father) in Osaka. デスニさの瀬 The company my tather works for is in Osaka. vdw O .n9 Sucr sy 1sdi ③_doidwの 214 先行詞の関係詞節内での働きに注目しよう These are the tools ( 3) John made the desk. O that @ with that ③ with which ④ which 道具を使って机を作ったの pCL6 (HSJGD だから…? TRY トムが座っているいすは高価だ。 The chair ( Tn )( which )Tom is sitting is expensive. 1 Section 069 関係副詞 96onsqsl beibuta tast JsdwO wor [まずは確認025]を読んで, 関 dai (係副詞について確認しよう! DobtovA n 215 先行詞は〈場所) the store とIbought the table の関係は? This is the store ( 3 )Ibought the table. Owhich ② that ③where ④why TRY ここは,ビートルズが日本を訪問したときに滞在したホテルだ。 (the hotel / the Beatles / this /where / stayed /is)whenthey visited Japan. This is the hocre where The Beorles Staye d e) s when they 19dy ) visired Japan. 59 Navigator

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