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英語 高校生

丸つけたところ答えです。 どれか一つだけとかでもいいので、 問題の解説お願いします!!

I 各問に答えよ。 (32点) DC lod 8 oに マ-Dンセ C 16 において, 空所を満たすのに最も適切なものを,それぞれのA~Dのうちから 問1 9 1つ選べ。 GO had better へしし方がいい (Shonld) 9uH I have a sore throat. 9 Id better have it うV Ll B to be checked C/to check D checked A checking pot n 0 etM Dus tM married for ten years when their first baby arrived. 10 Tom and Mary| B had been C have been D have A had down the stairs. He came C A having run 11 9 sdv ahnds bl D to have run B to run C)running He won't return it to you. reren 12 You'd better money to John. A not to lend B not lending C not lend D do not lend Isd W ssdhs 0oms apvoan tndt o |you because you broke your promise. 13 Beth is angry 3st em lis B on D for LODtt A with C to nat pop on cuon Oficer: “May I see your passport?" 0 uら o 14 Visitor: op B A It is kind of you You are welcome C/ Here you are D Don't mention it R1 92utpig tavol s a 2idT Sa9tblida uo is aedt on UK 2on ら icp 16 I am afraid my watch is five minutes 15 sldstotmoo ji A rapid B after C fast D swift O 9or auo 18 inng Odore dbue asd gotd beaingrue na ms 3O We found a truck pcp 1ow |on its side in the middle of the street after the hurricane. T COL o TG 16 A lied B lie C lies D ying brmdaun hitohdok ppe po nCa o C SO Uods da日 0 inast olloH 1時 aitsMinisl ba n

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英語 高校生

丸つけてるところが答えです すべて解説お願いしたいです🙇‍♂️

I 各問に答えよ。 (32点) DC lod 8 oに マ-Dンセ C 16 において, 空所を満たすのに最も適切なものを,それぞれのA~Dのうちから 問1 9 1つ選べ。 GO had better へしし方がいい (Shonld) 9uH I have a sore throat. 9 Id better have it うV Ll B to be checked C/to check D checked A checking pot n 0 etM Dus tM married for ten years when their first baby arrived. 10 Tom and Mary| B had been C have been D have A had down the stairs. He came C A having run 11 9 sdv ahnds bl D to have run B to run C)running He won't return it to you. reren 12 You'd better money to John. A not to lend B not lending C not lend D do not lend Isd W ssdhs 0oms apvoan tndt o |you because you broke your promise. 13 Beth is angry 3st em lis B on D for LODtt A with C to nat pop on cuon Oficer: “May I see your passport?" 0 uら o 14 Visitor: op B A It is kind of you You are welcome C/ Here you are D Don't mention it R1 92utpig tavol s a 2idT Sa9tblida uo is aedt on UK 2on ら icp 16 I am afraid my watch is five minutes 15 sldstotmoo ji A rapid B after C fast D swift O 9or auo 18 inng Odore dbue asd gotd beaingrue na ms 3O We found a truck pcp 1ow |on its side in the middle of the street after the hurricane. T COL o TG 16 A lied B lie C lies D ying brmdaun hitohdok ppe po nCa o C SO Uods da日 0 inast olloH 1時 aitsMinisl ba n

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英語 高校生

問5の考え方を教えてください。 大学の過去問のため、解答を読んでも内容が薄すぎてわかりませんでした。

次の英文を読んで, 後の問いに答えなさい。 (35点) 1 Some of the best workers in America dont get paid. But these (jemployees aren't quitting or Complaining. In fact, they seem happy to work like, well, dogs. That, of course, is what thev are Professional dogs do a variety of jobS. They serVe as "eyes" for the blind and "ears" for the dear" A they bring joy to children in hospital, Dogs do many other jobs too. (2With)the right training, dogs make great workers. They're smart. and faithful. They're also very much reliable. 3 Lア has/ イ than/ ウ a dog's/ エtwenty/ オ ahuman's/ カ nose / キtimes / ク more smelling cells」: Dogs may learn to smell bombs, drugs, money, or even bananas. les, bananas. Fruits, vegetables, meat, and other food items sometimes carry nsects and diseases, Food-rom foreign_countries scould infect, crops or animals in the U.S> To prevent that, the U.S. Government trained a group() beagles,) who check wallets and bags at international airports. The beagle silegtty_ sits down next to A illegal items. But why beagles? They're friendly and attractive. So they don't scare people as they check through the crowds. More important, beagles have an amazing nose for food. They sense smells so Vague that machines can't measure them. acch mugy pae pauue 「smells Suspicious. The dog's human partner then checks for

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数学 高校生

なぜこの問題だと頂点と、軸を求めなくていいんですか?

ッα<か<B が成り立つ. - 4 2次不等式 Check 例題 109 解の存在範囲3 時の OI あ:2次方程式x-ax+a°-7=0 の異なる2つの実数解のうち, 1つ は2より大きく,他の1つは2より小さくなるような定数aの値の範囲 を求めよ。 ソ=f(x)=x°-ax +a°-7 とおくと,条件は f(2)<o だけでよい。(下の→注参照) 考え方) ソ=f(x)=x°-ax+a°-7 とおくと, y=f(x)のグラフ 解 とx軸との共有点のx座標が,1つは2より大きく,他の1 つは2より小さい。 したがって, y=f(x) のグラフ は,x°の係数が正で,下に凸の放 物線より,右の図のようになれば よい。 つまり,f(2)<0 であればよい. f(2)=2°-a-2+a°-7<0 開よ5.1-で (x)1 a-2a-3<0 3 ソーf(x) ラバラ ケ開 S5 x f(2)の値の符号 より, くく にあるのは よって, -1<a<3 あると らも 55 も すく 5 解の1つはかより大きく, 他の1つはかより小さい Focus (x°の係数)>0 のときf(か)<0 ほにがわ (x°の係数)<0 のとき f(b)>0 こ 注例題109 で, (i)と(i)の条件を調べなくてもよい理由 例題107, 108 のように(i)頂点のy座標の符号と(i)軸の位置を調べていないのは, 16)) 次のようになるからである。 SI4 (i)について,(x° の係数)>0 のとき, f(か)<0 であれば, 必ずx軸と2つの共有 点をもつから,(頂点のy座標)<0 (D>0) は明らか. (x°の係数)<0 のとき, f(p)>0 であれば, 必ずx軸と2つの共有 点をもつから,(頂点のy座標)>0 (D>0) は明らか (i)について, 2次関数のグラフとx軸との交点のx座標をα, B(α<B) とすると、 (x°の係数)>0 のとき, げ(か)<0 であれば, 軸の位置に関係なく bcus 収くかくBが成り立つ。 (x°の係数)<0 のとき, f(p)>0 であれば,軸の位置に関係なく o 2次関数

未解決 回答数: 1