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English Senior High

He would say that God had given him a tail to keep the flies off, but that he would sooner have had no tail and no flies. soonerは「すぐに」って訳... Read More

2 Animal Farm pig, with a wise and benevolent appearance in spite of the fact that his tushes had never been cut. Before long the other animals began to arrive and make themselves comfortable after Jessie and Pincher, and then the pigs, who settled down in the their different fashions. First came the three dogs, Bluebell, themselves on the window-sills, the pigeons fluttered up to the straw immediately in front of the platform. The hens perched rafters, the sheep and cows lay down behind the pigs and began to chew the cud. The two cart-horses, Boxer and Clover, came in together, walking very slowly and setting down their vast hairy hoofs with great care lest there should be some small animal concealed in the straw. Clover was a stout motherly mare approaching middle life, who had never quite got her figure back after her fourth foal. Boxer was an enormous beast, nearly eighteen hands high, and as strong as any two ordinary horses put together. A white stripe down his nose gave him a somewhat stupid appearance, and in fact he was not of first- rate intelligence, but he was universally respected for his steadi- ness of character and tremendous powers of work. After the horses came Muriel, the white goat, and Benjamin the donkey. Benjamin was the oldest animal on the farm, and the worst tempered. He seldom talked, and when he did it was usually to make some cynical remark - for instance he would say that God had given him a tail to keep the flies off, but that he would sooner have had no tail and no flies. Alone animals on the farm he never laughed. If asked why, he would among the say that he saw nothing to laugh at. Nevertheless, without openly admitting it, he was devoted to Boxer; the two of them usually spent their Sundays together in the small paddock beyond the orchard, grazing side by side and never speaking. The two horses had just lain down when a brood of duck-

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Mathematics Senior High

数Ⅰの命題の問題です。39の(5)がわかりません。 x=0、y=1だとxy=0で反例ができ十分条件ではない気がするのですが…

(x-1)=(-1)-1/2 ら,xとyは近く,yとも近いが るこ 真をいうなら証明 (x-z)=(0-2)=4>2 [2]をいうなら反例 EX よって, xとは近いとはいえないから偽 (5) 「すべてのxについて xy=0 である⇒ y=0」 は真。 また,「y-0⇒すべてのxについて xy=0 である」 も真。 よって, 必要十分条件である。 ← (2) (x-y) <2 のとき {(x+2)-(y+z^))=(x-y)^<2 よって, x+zy+2は近いといえるから 真 (3)0 x, yの両方に近くないとき 反例がすぐに見つから ない場合は,真であるこ とが考えられるので、 明をしてみる。 (3)でも 同様 したがって ① (6) 「(xy)が無理数であるxまたはyが無理数である」 は真。 また 「xまたはyが無理数である (xy)が無理数であ (x-02≧2, (y-0)2≧2 すなわち x2≧2,y2≧2 る」は偽。 (反例): x=√2.y=0 よって,十分条件である。 が成り立つ。各辺を加えて x2+y'≧4 したがって ② よって真 EX ② 40 整数a, b, cに関する次の命題の逆と対側を述べ、 それらの真偽を cが奇数ならばa, b, cのうち少なくとも1つは EX 39 次の(1)~(6) の文中の空欄に当てはまるものを、下の選択肢 ①~④のうちから1つ選べ。 ただ し, x, yはともに実数とする。 逆: a, b c のうち少なくとも1つが奇数ならば a +62+ は奇数である」 (1) 「x>0」 は 「x≧0」のための (2) 「x=0」 は 「x+y-0」 のための (3) 「xy=0」 は 「x=0 かつ y=0」 のための (4) 「xy'=1」 は 「x+y=0」 のための (5)「すべてのxについて xy=0 である」 は 「y=0」 のための (6) 「(xy) が無理数である」 は 「xまたはyが無理数である」 のための [選択] 必要十分条件である ②十分条件であるが必要条件ではない 必要条件であるが十分条件ではない ⑧ 必要条件でも十分条件でもない (1) √x>0 ran A [慶応大] 逆は偽 (反例: a= 1, b=1,c=0) 対偶: 「a, b, c がすべて偶数ならば a2+62+c2 は偶数であ 対偶は真 (証明) a, b,cがすべて偶数ならば, 整数k, lmを a=2k, b=2l,c=2m と表され Q' +62+c2 = (2k'+(21)+(2m)²=2(2k²+212+2m²) 2k2212+2m² は整数であるから, d' + 62+c2 は偶数 その集合をP. 条

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English Senior High

これの解答が知りたいです。 お願いします!!

01 時制 Section 2 未来のことを表す表現 16 Aya ( ) "I'm sleepy" when she gets up tomorrow morning. 2 is saying 3 will say 4 said D say Tryl The teacher ( 100 未来のことを表 すには? この文を話す人は Aya がいつ “I'm sleepy" と 言うと考えているのだろ 57 ) angry if I'm late for his class. D been (2 is being (3) was 4 will be I am ( I be (2 going to (3) see will 作、 の形 であ day Try! Are you ( I went (2) come 18 Mark ( I has arrived 3 is arriving E Try! He ( ) call her this evening. ) go to see your family this weekend? 3 will cho 4 going to ) at Narita airport tomorrow. 2 arrived 4 has been arriving ) at the hotel tomorrow morning. moraload ( これからするつもりの こと, そうなりそうな ことを表すには? がこれからするつもり であることを示すには? 未来の予定を表す動 詞の形は? tomorrow 「明日」に 注目 I will be arrived 3 must have been arrived 2 is arriving 4 is used to arriving gnime (名古屋工業大) pand) lism of ( I ( ) in Europe next week. I was staying 2 has stayed 3 will be staying ④stayed Try! Patricia ( 1 has waited 2 was waiting 110 Brian was ( his name. 1 on ) an earthquake before he came to Japan. about 3 with 4 off ) for you at the coffee shop after school tomorrow. 3 wait 4 will be waiting E 「まさに··· すると to get on the bus when his mother called nood)だ」 という 〈差し た未来> を表す形 「Brian はまさに・・・ ところだった」とし 味を表せる選択肢 ぼう 未来のある時点での 進行中の動作, 未 の予定を表すには? next week 「来週」 注目 Try! 1. Ken was about to (call) Yumi when she came into the room. of ( 2. Emily was ( Dabout 2 for 語形変化 ) to go out when the telephone rang. 3 used 4 so 120 Batlow used and Jinw low boob yulW Thule fonds nol gd bongam bai ( 金沢工業大) M

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