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英語 中学生

答え合わせと問3の(2)と(3)教えてください🙇‍♀️

問1 次の(1)~(3)が意味の通る英文になるように,( )にあてはまる最も適当な語を, 〔 3 内のア~ウから1つずつ選び、その記号を答えよ。 (1) I like swimming in the sea ( ) summer. イ in [ア on ウ at 〕ion 次の各問に答えよ。 (2) Don't ( ) the guitar here. (7 play 1 playing plays ) pah) loorba )of all animals. 1 better ob best ] (3) I like cats the ( [ア well 問2 次の(1)~(3)の日本文の意味を表す英文が完成するように, ()内の語をすべて1回ずっ 使って並べかえるとき, ()内で2番目と4番目にくる語の記号を順に答えよ。 ただし、 文頭にくる語も小文字で示している。 (1) 私はふつう夕食の前に宿題をします。 I usually (アhomework イ before (2) リサは由美と同じ年齢ですか。 (アas ウold is I Lisa ) as Yumi? Contor (3) あなたは私の父が博物館で働いていることを知っていますか。 Do (ア my イ works ウ you エ father オ know) at the museum? usm wollt ウ my I do) dinner. 75ba02 10T 問3 次の(1)~(3)の各文を,〔 語を1話ずつ順に答えよ。 (1) This book is interesting. [ 「あの本よりもおもしろい」 という意味の文に This book is( (2) How about going to the zoo next Sunday?〔ほぼ同じ意味を表す文に ) ( 〕内の指示にしたがって書きかえるとき,( )にあてはまる 神意の文本日 ) interesting than that one.TJAXOS ) to the zoo next Sunday. A 008 ČEŠN (3) I got some pictures from Ryota yesterday. 〔ほぼ同じ意味を表す文に〕 Ryota (A)( ) ( ) yesterday.

解決済み 回答数: 1
数学 高校生

質問です。 どうして または なのでしょうか?? m=2で、共通解は-1 が答えではないのでしょうか?? どうしてその後も計算が続くのでしょうか? 全然わかってないですが、、、 解説、宜しくお願いします。

考え方 解 Check 例題 よっ 練習 45 45 共通解 xについての2つの2次方程式 LJUCORBA x2+(m-4x-2=0, x2-2x-m=0 ただ1つの共通な実数解をもつとき,定数mの値と, そのときの共通 解を求めよ. Do 共通な実数解をαとして、 2つの2次方程式にx=α を 代入すると, Ra²-2a-m=0 この ① ② より, したが Flocus 20 ただ1つの共通解が存在するというので,それをαとおくと扱いやすい。(xのまま だと,共通解を扱っているかどうかがわからない.) Ja²+(m-4)a-2=0 ......1 ......2 についての連立方程式を解くと, (m-2)a+m-2=0 (m-2)(a+1)=0 これより m=2 または α=-1 (i) =2 のとき るようにもとの2つの2次方程式は, ともに x2-2x-2=0 f(x) となる. したがって,解は, m=3 このときもとの2つの2次方程式は, この考えは x2-x-2=0, x2-2x-3=0 x=1±√12-(-2)=1±√3 019-0 足>となり,共通な解がただ1つであることに反する. (ii) α=-1 のとき (-1)+(m-4)・(-1)-2=0 「とき①に代入して, ne s となり,それぞれ, (x-2)(x+1)=0 より, x=2, -1 (x-3)(x+1)=0 より, x=3, -1 となるから、ただ1つの共通解-1をもつ. よって, (i), (ii)より, m=3, 共通解は -1 4 2次方程式 *** -00050 Saswas についての2次方程式 CE SUBS 共通解をとおいて、 2つの方程式へ代入し, 連立方程式を解く α, m についての連立 方程式になる. ① ② より α2 の 項が消える. 因数分解できる. AB=0⇔ A = 0 または B=0 共通な解が2つになる. |(S— ② に代入してもよい。 Schoclastu m=3のとき, 2つの + 2次方程式が を解にもち, 他の解は異なることを 確認する . 62 81

解決済み 回答数: 2
英語 高校生

どなたか英語の得意な方この問題問いてくださいませんか、、 先日受験して不安で眠れません

6. 次の英文を読み, 以下の設問に答えよ。 legally as a *trophy. In 2003, a lone hunter killeda rhino on a legal safari in South Africa and brought it back to Asia. Dozens of poachers soon followed. The sound of rifles being fired could be heard in the dark forest just as each paying $50,000 for a hunt. It seems like a lot to pay, but poachers can Damien Mander arrived at his campfire after a long day training *game ranger make as much as $200,000 in profits by selling a pair of horns on *the black recruits in Zimbabwe's Nakavango *game reserve. "There, near the eastern market. boundary," he pointed. He and his rangers grabbed their guns, radios, and ull Many officials in Vietnam are fighting back against reports that the country medical kits. They then drove into the night, hoping to stop the shooter. is the main market for rhino horn, stating that rhino horn bound for Vietnam (21) And so goes a night on the front lines of southern Africa's ruthless * rhino is merely in transit for another country. Do Quang Tung, deputy director of war, which has seen more than a thousand rhinos killed since 2006. At the CITES Managing Authority in Vietnam, said the country "could not be the main bloody heart of this conflict is the rhino's horn, a prized ingredient in traditional market for South African rhino horn," claiming that the majority of Vietnamese Asian medicine. Prices range from $33 to $133 a gram, which at the top end is people would not be able to ( 26 ) rhino horn. Even if there is an emerging double the price of gold. group of people who can ( 26 ) it, he thinks it is too small to make the country Although the range of the two African species 一 the white rhino and its a significant consumer. Professor Dang Huy Huynh, chairman of the Vietnam smaller cousin, the black rhino- has been reduced primarily to southern Africa Zoological Society, says that rhino horn has never been a popular ingredient in and Kenya, their populations had shown signs of improvement. In 2007 white traditional medicine. rhinos numbered 17,470, while blacks had nearly doubled to 4,230 since the mid Recently, there has been a renewed interest in the unproven belief that rhino 90s. horn has healing power. For at least 2,000 years, Asian medicine has prescribed For conservationists these numbers represented a triumph. In the 1970s rhino horn to reduce fever and treat a range of illnesses, but the handful of 22 and '80s, *poaching had nearly caused the two species to become extinct. Ther studies which have been conducted on rhino horn have not found any proof that China banned rhino horn from traditional medicine, and Yemen forbade its ust it can reduce fever. The newest rumor is that it cures cancer, but doctors say in ceremonial knife handles. All signs pointed to better days. But in 2008 th the proof is nonexistent一 no research has been published on the horn's efficacy 23) number of poached rhinos in South Africa shot up to 83, from just 13 in 200' as a cancer treatment. But even if rhino horn is not an effective cure for anything, let alone cancer, that doesn't mean it has no effect, says Mary Hardy. By 2010 the figure had soared to 333, followed by over 400 in 2011. Most of th 27) medical director of Simms/Mann UCLA Center for Integrative Oncology. "Belief horn trade was found to lead to Southeast Asia. in a treatment, especially one that is wildly expensive and hard to get, can have *Javan rhinos once lived in Vietnam's forests. ( 24 ) It had a bullet a powerful effect on how a patient feels," she says. its leg and its horn had been removed. In any event, John Hume believes no rhinos need to die to supply the rhino Even with the rhinos gone, rhino horn can still be found in Vietnam. This 28 25 horn to those who want it. The 69-year-old * entrepreneur has acquired one of because South African law, which complies with the Convention on Internatio the largest privately-owned rhino herds in the world, and currently has more Trade in Endangered Species (CITES), allowS a rhino's horn to be expor ○M3(45)

解決済み 回答数: 1
英語 中学生

長文読解の問題(画像)で私の回答は間違えになりますか? (5)の問題です! 答えでは、He sent the map to him. となっているのですがなぜ違うのか教えてください(>_<;)

2 次の健(Ken)についての英文を読んで,あとの問いに答えなさい。 *right now?" I said, "Well, I am very OLSB Inom s vlima vn iw doY weM ot smo1 Nes LeoK& 1o ubanee about five in the afternoon. I was still ( A)at the *office.on My old friend. Mike called me from the They mort. He is a teacher of French at an American high school. He said. "I have iust *arrived in Japan. Can I see you Lya bagd 11gdm o(taedadatnebuta gemA So I can't meet you now. Will you come to my house and wait for me? orddome bis edtoo - look Ill go back soon." odT 3TLeg ILadtoole 99 o1 9auado ck or He said, " I don't aio edt I said, "I think you have the map I *sent you two months ago. Look at +he map. and you can find my house. I put the door *key under the *stone on the left side of the door." ating Then I(him, Some, find, told) in the *kitchen. omag adi now 9 Hadtool e bodaisw Ldnin tas1medt 9onia liadtoot t bataaratL 9d te food, 9110 belg An hour later Mike called me again from the house. He said, "I've( B ) eating dinner, and now I am enjoying doum listening to your CDs. Ifound an interesting book on the table. I'm going to read it." 00 000 lil foorbaaoy)lrw Le I felt a little strange. Iasked, "Did you find my house *easily?""Yes," he answered. "I couldn't find the key, but. 10 *luckily the living-room window just by the apple tree was open and I got in." Iwas very surprised. There was no apple tree by my living-room, but the apple tree was by my *neighbor's! * office 会社 airport 空港 arrive 到着する right now 今すぐに sent send の過去形 しい key カギ kitchen 台所 easily 簡単に luckily 幸運にも ~, and ~しなさい,そうすれば… stone 石 neighbor 隣人 (1) 本文の内容から考えて,( A ), ( B )のそれぞれに入る英語として最も適当なものを, 次の中から選び, 正しい 文換 大き 内文本 形にして書きなさい。 yarking fnished e finish make hear work B take A (2) 本文の内容から考えて, に入る適当なものを, ア~エから選びなさい。 free JS英る人引 き イ エ ア happy イ busy ウ exciting も ni emg Iladdool s bedstew eved hause vlimat a'ediMbiw omsg odt ot Jaow )内の語句を並べかえて書きなさい。 omi,tatt na Tol ediM daiw liadtoo? bevelg 1 3) 下線部のが,相手の家への行き方がわからないンとを伝えると英文となるように, に入る英語を書きなさい。 knaw haw ta gef to yaur I don't 14) 下線部のが, 本文の内容から考えて, 正しい英本となるように, ( ta Aind /ome faad in the kitchen. tald him Then I 5) 本文の内容から考えて, 次の問いに対する答えを, 主語と動詞を含む英文1文で書きなさい。 What did Ken send to Bill two months ago? He sent hinm the map -31-

解決済み 回答数: 1