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English Senior High

英語長文問題です (1)イ?ウ? (2)ウ (3)イ (4)ア 解いてみたのですが(1)が分かりませんでした (2)(3)(4)もあっていますか?

14 Paraphrase Rapid Reading [速読 目標解答時間12分 ] 鶴と亀の物語から得られる教訓は何でしょうか。 Listening EX ON の 船 1 Once there were two cranes and a tortoise who lived by a lake and became good friends. They played together all day long, sunning themselves on the sand and swimming in the lake. They were very happy and wanted to be together forever. 2 But that year there was a drought*. For five months, no rain fell at all. The rivers and the land cracked. Each day, the little lake where the tortoise and cranes dried up, lived became smaller and smaller. 3 One day the two cranes flew into the air to see how things were, and came back in the evening saying, "Tortoise, everyone is moving to the Heavenly Lake. I think we should move too. If we stay here, we'll die of hunger and thirst." 13 end sky gra 14 to O P 1 5 The tortoise shut his little eyes and cried. "Oh, you can fly or hurry as fast as you 10 get to the Heavenly Lake. But I can neither fly nor walk fast. Within three days I will be nothing but an empty shell! We have been friends for so long. Please don't leave want, and me behind." 5 The tortoise cried so much that the cranes, unable to hold their own tears back, did not have the heart to leave him behind. So they decided to stay at the lake with the 15 tortoise for a while. Perhaps the rain would come in a few days. 6 But the weather did not change. Clear stars dotted the sky at night, and the sun was they thought hot and cruel el by day. The little lake was nearly dry. The cranes said again they must go. The tortoise knew that he could not keep them there any longer, so he pleaded* with them, saying "We have been friends for so long! Can't you think of a way to 20 take me along?" 7 They thought long and hard. After some time the cranes said, "Tortoise, we have a plan, but it will be difficult." 18 The tortoise asked eagerly, "What is it? What is it?" "We'll hold two ends of a stick in our beaks*, and you can hold on to the middle with 25 your mouth. Then we can fly, carrying you between us. What do you think of the idea?” 10 The tortoise was so happy that he nearly jumped. "Yes, yes! That's a good idea! Let's start at once!" 11 The cranes were very happy, too, but they had to give him a warning. "You must be NOTES drought : 干ばつ plead : 嘆願する 32 UNIT 8 beak (鳥の) くちばし )( ).no パート ごとの 音声 ON

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Chemistry Senior High

⑤⑥までは絞り込むことが出来たのですが加水分解の説明が分からないです。教えて頂きたいです。よろしくお願いいたします。

2021 年度 化学 49 させ、質量数(m) と電荷(z) の比(m/z)に応じて分離・検出し、 試料分子の質量を決定するこ 6 高電圧をかけた真空中で有機化合物の試料をイオン化し、静電気力によって装置を飛行 とができる。これを質量分析という。 小さなイオン(フラグメントイオン)が得られる。 なお、電荷 z の値は1をとることが多く、こ の場合m/zはmと同じ値となる。 本間ではz=1のみであるとする。 分析で得られたmlzを横 試料のイオン化の際に、 試料と同じ質量をもつイオン(親イオン) と、 それが分解して生じる 軸, 信号強度(検出されたイオンの量)を縦軸とするグラフをマススペクトルという 次の図は,化合物Dのマススペクトルである。 図のm/z=99のピークは親イオンに対応し、 mlz=72のピークは, 親イオンのC-C結合が切断されて, 炭化水素基が脱離したフラグメン トイオンに対応している。 化合物Dの構造式として適切なものを,下の選択肢 ①~⑧のうちか ら一つ選べ。 ─99 解答番号 41 立 信 信号強度 41 MACIE 50 72 75 100 125 150 175 200 225 250 275 300 Hmlz @ CH2=C(CH3)-C-NH, 3 CH2=C(CH3)-S-C=N 72 ⑤CH2=CH-CH2-N=C=S © CH-CH=CH-N=C=S 72 ② CH2=C(CH)-N=C=S ④ CH2=CH-CH 2 -C-NH2 CH2=CH-CH2-S-C=N ® CH3-CH=CH-S-C=N EAA SAAA

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