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English Senior High

これが何の教材か知りたいです。知っている方いれば教えてください。polestarⅢの問題集みたいなやつです。

LESSON 3 Paragraph 3 An Appalling Waste of Food (教科書 pp. 18~19) クラス 番号 名前 130 Read the passage and answer the questions below. Obviously, we need to pay more attention to shopping and eating habits. It is not uncommon for shoppers in the developed world to throw away as much as half the food they buy. The tendency to indulge is driven by marketing schemes that offer “buy one, get one free,” even if we really do not need that second item. It is hard to say no to a bargain. We need to learn to say “no" more effectively. Indeed, consumers need to be more discerning throughout their shopping experience and be vocal in words and deeds. The study of shopping habits is extremely advanced and corporations live and die by their data. If consumers make a conscious effort to change their habits, (a)retailers will notice. Consumers can also make better use of food banks and other resources that help the hungry and (b )fortunate. On the individual level, they need to be conscious of the ( b ) fortunate before they throw good food out. And, they too should be encouraging the organizations they work for and the places they shop to be equally solicitons of the noody Education should emphasize the neea w avoid wasting food. Again, it is all abont snding sianele Tt is unrealistic to expect to eimimate an waste in food. But the idea that one-half of food production is wasted-and that much of it is because of aesthetic reasons is intolerable. 1.What does phrase (a) imply? (4点) ア. retailers will notice the importance of consumers' shopping and eating habits イ. retailers will notice shoppers don't want so many items ウ. retailers will notice they should change their marketing schemes 2. Fill blank (b) with the most suitable word. (4 点) 3. Choose the best answer to fill each blank. (4 点×2) 1)“Buy one, get one free” campaign Diswell known to shoppers in the developing world のis driven bythe tendency to indulge shoppers' habits Boften makes us buy things we don't really need Oencourages us to say “no” to a bargain 2) Consumers should be pushing companies and shops Dto use food banks regularly Onot to throw out food products before the sell-by dates Beducate children to avoid all kinds of waste' のto be conscious of the needy PutT (True) or F (False) in the brackets. (2点×3) ア、 We should be more careful about buying and eating imported food. イ. Sending signals that we are changing our shopping and eating habitsis very important.. ウ. We need to stop disposing of food because of aesthetic reasons. CDの-26 istening quiz : Answer in English. (4点×2)

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Mathematics Senior High

大問25の(2)が分かりません 教えてくださいm(_ _)m

第1章 つ4 2. 4は実数とする。次の条件を「かつ」,「または」のどちらかを用いて述べ 上。また,それぞれの条件の否定を「かつ」, 「または」のどちらかを用いて述べ (2) 奇数は,偶数でない数, すなわち2の倍 でない数であるから (3) 奇数はかで表されるから (4) 2または3で割り切れる数は, 2の倍数で るか,3の倍数であるから p pかつg よ。 (2)(z+3)(2y-1)=0 (3)(ェ-1)+(y+2)?=0 (1) y=0 かまたはq 23 (1) 20またはy<2 (2) =1 かつy=1 *25 次の命題の否定を述べよ。 また, もとの命題とその否定の真偽を調べよ。 (1) すべての実数xについて °_6.x+5<0 (2) ある実数zについて 2.c+1=5 ■ p.9 ■ 24 (1) y = 0のとき 2=0 または y=0 否定は キ0かつ yキ0 (2)(+3)(2y -1)3D0 のとき 2+3=0 または 2y -1=0 Level Bl 1 よって 2=-3 または y=; 26 a, bは実数, m, nは整数とする。次の命題の真偽を調べよ。 1 否定は キー3かつ yキラ (1) a+b=0, ab=0 →a=b=0 (3)(z-1)2+y+2)?=0 のとき 2-1=0 かつ y+2=0 よって =1 かつ y=-2 否定は キ1 または yキー2 *(2) a+b>2, ab>1→a>1, b>1 (3) a+b, ab はともに有理数である→a, bはともに有理数である es *(4) m+n は偶数である=→m+mn は偶数である 25 (1) 否定は ある実数 xについて 2-6x +520 不等式z-6z +5<0 を解くと1<z<5であ るから,もとの命題は偽であり,否定は真で ある。 (2) 否定は すべての実数 z について の中は,「必要条件であるが 27 n は自然数,2, y, zは実数とする。次の 十分条件ではない」, 「十分条件であるが必要条件ではない」, 「必要十分条件であ る」,「必要条件でも十分条件でもない」のうち, それぞれどれが適するか。 (1) nが 10 の倍数かつ 18 の倍数であることは, nが45 の倍数であるための 2c +1キ5 もとの命題は真であり,否定は偽である。 26 (1) ab

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