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TOEIC・English Undergraduate

分からないので教えて欲しいです🙇‍♀️

Entrance Exam 否定表現 1. almost 2. I( 1()に入れる最も適切な語句を1~4から選びなさい。 1. I don't think David would make a good leader because he can ( difficult circumstances and tends to give up too quickly. 2. extremely 3. hardly ) go to karaoke, I go only once or twice a year. ) be expected to act honorably in 4. neither (明治大) (芝浦工業大 4. never 1. often 3. Unfortunately, ( seldom ) of the 1. a few 2. few 3. ever passengers escaped injury. 3. many (大阪学院大 推) 4. much 4. ( ) children are born with musical talent. (日本大) 1. none of 2. not all. 3. not every 4. no one 5. ( 2. No 1. as far as 2. far from ) of the workers accepted the director's proposal to cut bonuses. 1. Not 6. The future of English society looked ( 7. I didn't like the food at that restaurant. It was (. (東海大 3. Never ) promising in the 1840s. None (立命館大) 3. for far 4. too far ) delicious. (福岡大) 1. anything but 2. nothing but 3. without 4. out of 8. He was so drunk that he could ( ) walk. (大阪学院大) 9. 1. all 1. able 2. unable This train doesn't stop at ( a few 3. hard 4. hardly ) station. 大阪商業大推) 2. 3. little 4. every 2. few 12. " Can 10. The latest model of this mobile phone is ( 1. not seldom 3. all not 11. Before I watched the documentary, I knew ( 1. little à you come to the party tonight?" "( 1. Yes, I can ) easy to use. (獨協大) 2. not necessarily 4. ever not 3. seldom ) about life under the sea. 4. hardly (東京工科大) ). I have a lot of homework." (拓殖大) 2. Yes, I do 3. No, I'm afraid not 13. Japan has ( 1. a little 2. few 4. No, I hope not ) oil and therefore is almost entirely dependent on imports. (センター) 3. little 4. small

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English Senior High

この3つが分かりません。教えてください🙇‍♀️

wal Rainforest trees are used to make things which we use every day. Rubber, for example, is used to make many things. The fruits of many forest trees ( 7 ) — forest people have eaten them for thousands of years. Today, all over the world, people eat rainforest food plants; for example, coffee, tea, oranges, and rice. Corn, which is an important food for many people of the world, is another rainforest plant. In 1970, a disease destroyed half the corn in the United States of America. Scientists began to look for new species in the rainforests. In 1987, in the Mexican rainforest, they found a new species which is stronger than other species. But we nearly lost this new species, because people were already cutting down that part of the Mexican rainforest. Hollywood, Los Angele movie stud (1) knows how many useful plants are already lost because people have SHOULD destroyed many of the rainforests of the world. Directors, actors, and writ The trees of the rainforests help the Earth's air because their leaves use carbon dioxide and make oxygen, which we need to live. its high point in these year They are also important because they control some of the Earth's weather. Through they give out water vapor which makes heavy clouds. The clouds then move to other parts of the Earth and give rain. The clouds also protect the Earth their large leaves, from the sun. (ウ) 日 moved to like Today, the Earth is slowly getting hotter, and in some places changes in the weather are making life much more difficult. We need to learn more about the Earth's weather while we still have the rainforests. and see the golden

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English Senior High

4の書き換えがよく分かりません。 教えてください🙇‍♀️

man for (1) a onnectedness is, in fact, a virtue bothered. If the clerk always wants to chat ates should be prohibited at a gift makes a (2A). The French anthropologist Claude where. I just want a hacksaw blade. ss tells of Léx (3) seemingly trivial ceremony during a meal in cheap rants in France. The guests sit at a long, *communal table, and each pour bottle of wine before his plate. Before the meal begins, a man will e not into his own glass but into his neighbor's. And his neighbor will the gesture, filling the first man's empty glass. In an economic sense has happened. (4) No one has any more wine than he had originally. ety has appeared where there was none before. The French tend to trangers, but in these little restaurants, strangers find themselves (5) close relationship for an hour or more. "A conflict exists," says Lévi- "not very keen, but real enough to create a state of tension between of privacy and the fact of community. ... This is the temporary but ituation resolved by the exchange of wine. It is an * assertion of which does away with the mutual *uncertainty." Just sitting at the becomes social life through an exchange of gifts. Further, the the wine allows another exchange - ( 2C ). dware store: 金物店 munal: 共用の hacksaw: (金属を切るために用いる) 弓のこ uncertainty: 半信半疑 assertion: 表明

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Chemistry Senior High

なぜこの問題で相対質量の最も小さい分子の存在比を求めるのでしょうか??🥺 自分で解いた時は片っ端から全て存在比を求めました。

97 思考力 同位体の存在比 地球上の元素の多くは、質量の異なる同位体がほぼ一定の割合で混 ざって存在している。 例として、 水素, 炭素, 塩素, 臭素の主な同位体の相対質量とそのおよその存在 比を表1に示した。 元素 塩素 同位体 35 CI 37Cl 81 Br 相対質量 35 37 79 81 存在比 (%) 100 100 75 25 50 50 表1 同位体の相対質量と存在比(整数値; 存在比2%未満の同位体は省略) 1 x 1 × 0.75 × 100 = 75 (%) 12C¹H335CI 水素 CHBr3 ¹H 1 炭素 12C 12 70 同一の化合物にも質量の異なる分子が存 図1 在するので,分子の質量はある分布を示す。 在50 たとえば, CH3 CI および CH2Br の質量の 分布を上の表1の値を使って計算し、プロ 〔%〕30 10 ットしたグラフを右の図1に示す。 ただし, 横軸の目盛りの間隔は2とした。 右の図2のグラフア,イは次の①~ ④ の化合物のうち、いずれかの質量分布を表存 している。ア, イに当てはまる化合物とし 在50 比 〔%〕 30. て最も適当なものを、①~④のうちから 一つずつ選べ。 ただし, 図2においても, 横軸の目盛りの間隔は2としている。また, 図2は横軸の数値を省略している。 ① CH2Cl2 ② CH2Br2 ③ CHCla 70 10 79Br 12C1H337CI 臭素 50 〔%〕 30 1×1×0.25×100 〒 25 (%) 50 52相対質量 CH3Cl ア CH2Cl2 相対質量 70 1 ×1 × 0.50 × 100=50(%) 12C1H37ºBr 12C1H3 81Br 存在 [10] 70 50 [%] 30 10 90 94 96相対質量 CH3 Br all 相対質量 イ CHBr3 97 ア・・・①・・・ ④ 選択肢のそれぞれの化合物に ついて相対質量が最も小さ い分子の存在比を求め,ア, イのグラフと比較する。 ① CH2Cl2のうち, 相対質 量が最も小さい分子は, 12C1H235 Cl2 であり、その存 在比は, 1 ×1 × 0.75² × 100 = 56.25 (%)・・・ア ② CH2Br2 のうち, 相対質量 が最も小さい分子は, 12C1H27 Br2 であり、その存 在比は, 1 X 1 X 0.50² × 100 = 25 (%) ③CHCl のうち, 相対質量 が最も小さい分子は, 12CH35Cl3 であり,その存 在比は, 1 x 1 × 0.753 x 100 = 42.18... (%) ④ CHBr のうち,相対質量 が最も小さい分子は, 12C1H7Br3 であり,その存 在比は, 1 X 1 X 0.50³ X 100 = 12.5 (%)・・・イ なお, C, Cl, Br について, より正確な同位体の存在比は 以下の通り。 12C・・・98.93%, 13C・・・ 1.07% 35CI・・・75.76%, 37CI・・・ 24.24% 7 Br・・・ 50.69%, Br・・・ 49.31% 23

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