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English Senior High

アップグレードの助動詞の問題です。 よければ教えて頂きたいです。

2助動詞 22 We could not help but ( laugh ) at the sight. laughed 3 to laugh 23 We can't thank you ( ⑪very 2 too laughing ( 神奈川大 ) ) much for your kind help. We owe our success to you. ③ so ④as 24 彼はうそをついたのだから, アンが怒るのももっともなことだ。 He told a lie, so Ann ( ) get angry with him. Omay well 25 You might ( as well may as well ③may as (福島大) behnamob yo fiom might as well BE (浜松大) ceremony. ( 青山学院大) ) call a taxi. Then you will be on time for the wedding cere 2 as well as ③well so well to virus ☐ 26 You ( ) expect a river to flow backward as hope to persuade him into resignation. Omay well might as well had better would better (同志社大) 27 I would rather walk than ( ) a taxi. 1 take 2 taking ③3 to take ④taken ( 青山学院大 ) 28 One should not rely completely on first impressions, for appearances ( ) be deceiving. O shouldn't 2 have to 29 皆様のご多幸とご健康をお祈りします。 30 ③ mustn't it were no ) you all be happy and well! (a) It is not good that you didn't ask her name. (b) You ( ) have asked her name. ①ought to ②need 3 must ④can (大) work. OP ( 獨協医科大) (関西学院大) may 31 My sister ( ) here by now, for she took the early train. Omustn't have arrived 3 might arrive shouldn't have arrived ought to have arrived (上智大) "So the thief ( 32 "The window was unlocked and there is mud on the floor." come into the apartment that way." O might 2 must have ③ ought to A should have (学習院大) 33 Would you like ( ou like ) that work? 19 :以下 Ome to do to do to me O to me do 4 to me to do (名城大)

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English Senior High

アップグレードの助動詞の問題です よければ教えていただきたいです。

2 2助動詞 標準問題 )に入れるのに最も適切なものを選びなさい。 13, 16, 29は( )に適語を入れなさい。 ☑: 11 I'm awfully sorry, but I had no choice. I simply ( ) what I did. had to do 3 must do 12 You are too kind! You ( ) me a present. must have done ought to have done ✓ 13 didn't have to buy 3 must not buy (國學院大) hadn't to buy mustn't have bought (学習院大) ( 内に記入された文字に続けて, 単語を完成させなさい。 The horse refused to jump over the gate. = The horse (w ) not jump over the gate. (日本大) E AL 14 Linda doesn't dance much now, but I know she ( ) a lot. ①was used to ②used to ③ would A would have bleora (立命館大) 15 I never expected that she ( ) us. ①joins 2 will join 3 would join 4 join (東京家政大) ✓ 16 ジョンはいつも早起きするが,私はめったに早起きしない。 John always gets up early, but I seldom ( 17 Nancy ( ) in the office this morning, but we didn't see her there. and of juods (静岡大) O should be may not have been might have been might be (関西学院大) 18 George ( ) have said so, because he told me quite the opposite thing yesterday. I will not ②cannot 3 must A should (京都産業大) 19 It was not your fault. You ( 1 can might not have apologized on the spot then. ③ must 4 should not (京都女子大 ) I was 20 She requested that the door to her room ( 21 My father insisted I ( ) go to see Kyoto. ) left open. ②would be ③be 4 had been (同志社大) 01 eval 'nob O might 2 ought ③ should 4 would alif bluow Ieb (京都産業大) of nival xalq ☑

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Mathematics Senior High

3️⃣の問題なんですけどこれ定義域を動かして場合分けしないとダメなのは分かるのですが、何を基準に三つ場合分けしてるのかがわからなくて、、 教えて欲しいです!🙇🏻‍♀️🙏🏻

数学 値2a+3をとる。 よって, 2c+3=7 したがって, a=2 20+3. このとき 2a-1 y=(x+1) +3 となるので、最小値は3 -2-1 01 α-9をとる。 (4) y=x2-6x+a= (x-3)+α-9のグラフは 下の図のようになるので, x=3のとき、最小値 (ii) 2≦k<4のとき y x=kで最小値 (k-2)^ x=0で最大値 4 よって、 (k-2)+4=5 k-2=±1 0<k<2より, k=1 x=2で最小値 0 (2) 4 hug Ok24* 018- x=0で最大値 4 04 よって, a-9=-3 "00したがって, a=6 このとき、 よって, 和が4より不適 (k-2)2 0 2k4x a-5 34 y=(x-3)2-3 O 1 x (i) k≧4のとき となるので、 最大値は1 a18 a-9 x=2で最小値 0 (k-2)2 (5) y=x2-2(a-1)x +4のグラフがx軸と接す るとき, {-(a-1)2-1・4=0 a²-2a-3=0 (a+1) (a-3)=0 よって, a=-1,3 (日) x=kで最大値(-2)^ よって, (k-2)^=5 2=±√5 010 k≧4より,k=2+v5 0 2 4kx 80 0 640 (8) k=1, 2+√5 (i), (ii), (ii) より 3 4 (1) 関数①のグラフが点(-2, 16)を通っている 000<DA ので, 16=(-2)^−2a (-2)+6+5 よって, b=-4a+7 ①より, y=x2-2ax-4a+12 =(x-a)2-a²-4a +12 (1) y=x²-4ax+26 を変形すると y=(x-2a)2-40² +26 より、①の頂点は(2a, -4a2+26) また, ①がx軸と異なる2点で交わるから, -4a2+26<0 d ゆえに、頂点は点(a, -α-4a+12) で よって, b2a2etです。 ある。 (2)①が点(1 (2) ①が点 (11/16)を通るとき、 (2) 関数①のグラフがx軸と接するとき、頂点のy 座標は0より -a²-4a+12=0 (a+6) (a-2)=0 a>0より a=2 (3) ①より,y=(x-2)2 1 1 16 -4a. +26 4 よって,b=/1/20 [= このとき, 6<2a²より, 8=0 ADRIO a < 20¹³ 1 よってa</a② y=4とすると,(x-2)=4より x=0,4 4 (i) 0<<2のとき 17 日 最大値 x=k.y

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