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英語 高校生

英語長文についてです。大問に、下線部➁のthisが示す内容を日本語で書け、とあるのですが、初見のとき、その問題を見た私は一通り考えて一番最初の文のthat以下を訳したもの(殆どの日本の学生は英語で会話できないということ)をこたえました。実際それは当たっていたのですが、見返し... 続きを読む

② 次の英文を読んで,下の各問いに答えなさい。 It is a well-known fact that most Japanese students cannot converse (1) English. This is sometimes because they have nothing to say and are poor conversationalists even in Japanese: in order to talk, one must usually have something to talk about! But often their lack of fluency in English is the result of a kind of false modesty: they are unwilling to "show off" their knowledge of English in front 5 (3) other Japanese. Or they simply fear to make mistakes, and this fear prevents them (4) expressing themselves fluently. It is a fear frequently expressed in the unnecessary apology: "Please excuse my bad English" or "I wish I could speak better English." Also, when I am with a group of Japanese students for the first time - perhaps we have met casually on the street or on a train-and one boy in the group starts trying to speak to me in English, his brave efforts are nearly always met 10 with laughter from his friends who probably know less English than he does. (1) (①) (③) (④)に入る適当な語を次の中から1つずつ選び、記号

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英語 高校生

黄色でマーカーを引いた部分の訳が分かりません 1文だけでもいいので教えていただけませんか🙇‍♀️💭

The First Experience with the Bombing in Hiroshima Yamaguchi saw a bomber flying high in the sky of Hiroshima. Something small dropped from the plane, and two white things appeared. "Parachutes," he thought. Mata Suddenly there was a flash like lightning. Yamaguchi was so used to air attacks that he reacted in no time. He put his hands to his head and covered his eyes with his fingers and his ears with his two thumbs. At the same time, he dropped to the ground. Teht もち上げる A terrible explosion came. It lifted him about two feet from the ground and was followed by a shaking of the earth. He felt a strong wind pass between his body and the road. Yamaguchi did not know if he was dazed because of the first shock that had lifted him or because of the blow when he fell to the hard だげき ground. He was not sure how long he lay dazed in the road. When he opened his eyes, however, it was so dark all around him that he couldn't see a thing. It was like the middle of the night in the heat of the day. When his eyes became used to the darkness, he found that it was all black because he was in a cloud of thick dust. (207 words) QAnswer T (true) or F (false). 1. Yamaguchi saw a bomber drop something small. 2. Yamaguchi was not used to air attacks. 3. The explosion threw Yamaguchi into a river. 1 didn't know how long he lay there. (

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数学 高校生

数学1aの数と式の問題です。 黄色マーカーで引いたところがよく分かりません。 なぜそう言えるのでしょうか?

基礎問 42 第1章 数と式 23 命題の真偽 (1) 命題: x≧1 かつ y≧1 ならば, x+y≧2 について 逆・裏・対偶を述べ,その真偽を調べよ. (2)命題:キならばェキ1が正しいことを対偶を用いて 明せよ. (B)√2が無理数であることを背理法を用いて示せ。 精講 (1), (2) ある命題が正しいことを真 (true), 間違っていることを偽 (false) といいます. また, 次表のような関係にある命題を、 それ ぞれ,元の命題の逆裏 対偶といいます(→は 「ならば」を意 味します). → g 裏 p-q 対偶 解答 (1) 逆:x+y≧2 ならば, x≧1 かつ y≧1 x=2, y=0 のとき, 不成立だから偽 g→p 逆 (万はかの否定を表す) このとき, 対偶の関係にある2つの命題の真偽は一致します. (3) 「背理法」という証明の手段は, 次の手順ですすみます. Ⅰ. 結論を否定して議論を開始し ⅡI. その結果, 矛盾が生じる ⅢI.だから、結論を否定したものは誤りで、要求された事実は正しい 裏x<1または y<1 ならば, x+y<2 x=2,y=0 のとき, 不成立だから 偽 裏 9 p 偽であることを示す には不適当な例(= 反例)を1つあげれ ばよい <かつq または 対偶:x+y<2 ならば、 x<1まだは y<1 もとの命題が真だから, 対偶も真 (2)与えられた命題の対隅は 「z=1ならば よって、与えられた命題 「キならばキ1」は真. 注 対偶を用いて証明する場合は、たいてい 「キ」 「または」, 「ある ...... に対して」 という表現が含まれています。 (3) √2が有理数と仮定すると, これは真. '=x」で, ポイント m 2つの自然数m,n を用いて√2=1 と表せる. (ただし, m, nは互いに素) 両辺を平方すると2m²=n2 左辺は偶数だから,n² も偶数 すなわち, nも偶数. このとき,n24の倍数だから, 2m²も4の倍数. よって, m² は偶数となり, mも偶数. ゆえに、mとnは共通の約数2をもつことになり、 mとnが互いに素であることに矛盾する. よって,√2は有理数ではない. すなわち √2は無理数. 演習問題 23 43 まず、 結論の否定 最大のポイント 背理法では結論を否定して解答をかき始め、 その結果, 矛盾することを示す 第1章 (1) 命題: 0<x<1 ならばx" <1 について 逆, , 対偶を述べ、その真偽を調べよ. (2) 命題: xy≠2 ならば r≠1 またはy=2 が正しいことを対偶 を用いて証明せよ。 (3)√2が無理数であることを用いて,√2+1 も無理数であるこ とを背理法で証明せよ.

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英語 高校生

この解答を教えていただきたいです。

Speed Reading The rainforest is not the only place where animals are How Can We Save Endangered Species? In the modern world, many animals die from causes that are not natural. the species living in the rainforest. Every day, more and more areas of rainfore are cut down or burned, and all of the animals living there lose their habitat. and dying. Around cities, animals are facing similar situations. As cities humans move into the natural areas surrounding them. This means that animal living near humans must move to other areas. Those animals-or in some cases those species-which are not able to adapt or to find new homes eventually die. In recent years, efforts have been made to protect certain lands in order to prevent killing plant and animal species native to the area. State and national parks along with special areas for birds and wildlife, have been established to protect the natural homes of endangered species. Also, wildlife management programs have helped bring back some species from almost certain extinction. For example, fewer than 50 years ago, the North American bald eagle was in serious danger of extinction because too many farmers used DDT, a chemical that kills insects. Farmers stopped 10P 15 >> using DDT, and the bald eagle is no longer endangered today.m Although protected lands have been established and wildlife management programs keep an eye on highly endangered species, scientists have yet to determine if these efforts are enough. Is it possible to save all the plants and animals that are endangered today, or is it already too late? (259 words) da siqag 000 259 words ÷ ( ) seconds × 60 = () wpm ~99 wpm ---Beginner 100~149 wpm Intermediate 150 wpm ~ dvanced QAnswer T (true) or F (false). 1. In the modern world, animals living in the rainforest are losing their place to live. ( ) 2. Animals living around cities do not have the same problem as those living in the rainforest. 3. Animals which have lost their habitat near the cities cannot survive unless they can adapt or find new homes. () 4. People in the US saved bald eagles by not using DDT; this is an example of a successful wildlife management program. 5. Some scientists believe that wildlife management programs are not necessary () anymore. New words adapt /ədæpt/ wildlife/wáildlarf/ chemical/kémikal/ management /mænidzmant/ bald /bó:ld/ eagle/i:gl/ 24 Speed Reading insect/insekt/ Lesson Consi losing their home b i t

解決済み 回答数: 1