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English Senior High

答え合わせがしたいので教えてください

「I|次の文を読んで、あとの問いに答えなさい。( wのついた語は文末に注があります。 ns Sitting in the consultation room of a charming cosmetic surgery clinic in Washmgo. D.C., Hudson Young removed his mask under the satisfied gaze of his doctor. Like a grownns number of Americans, Young decided the right time to undergo plastic surgery was middle of a coronavirus pandemic, He knew he would have time to recover in the privacy ot his own home. The main reason, however, was that Young suddenly found himself face to face with his own image while participating in an increasing number of videophone and web A 「Its something new when you have to stare at your face for a couple of hours a day and there's only so much you can do with good lighting and good angles," Young said. The 52-year-old real estate agent had allready been a fan of cosmetic surgery. He had face lift, eyelid surgery and laser resurfacing for the first time in October. "When you see yourself on Zoom, you are shocked," he explained, as Dr. Michael Somenek examined his w barely visible scars. Young is far from the only one who has found himself disappointed with the reflection he has seen in the screen over the past year. Virtual consultations for cosmetic procedures have risen 64% in the United States since the beginning of the COVID-19 pandemic, according to the American Society of Plastic Surgeons. “We have seen an increase in the number of surgical cosmetic procedures that are directly related to Zoom," said Somenek, who has seen a 50% to 60% increase in customers. “I think the pandemic B has given everyone time to take care of those things that we've been putting off until later," explained Ana Caceres, who was able to work from home after C a plastic surgery operation she had wanted for a long time. She recovered at. her parents' house outside Washington after a December cosmetic surgery that helped her D deal with a source of insecurity she had had since adolescence. "I didn't have to days off, because I was still able to work from my bed with my lap-top," the 25-year-old said. “When life is going on and you have places to be, it's s0 easy to put things off," Caceres said, showing off a dress she says she now has the confidence to wear. And she has scheduled more cosmetic surgery. Her surgeon, Dr. Catherine Hannan, says consultations at her clinic in the IIS comit1 E have nearly doubled since the beginning of the pandemic. "Our patients have more lines because the last vear has been so hard. A face or boay change can have a psychological

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Science Junior High

この問題の簡単な考え方はありますか?

めました。間1~問5に答えなさい。 (19点) ける塩ができたりする。これによって,反応後の水溶液の性質にどのような違いが生じるの レポート 課題 出和反応では,酸とアルカリの組み合わせによって, 水に溶けない塩ができたり,水に溶 だろうか。 1うすい硫酸とうすい水酸化バリウム水溶液の中和反応 図1のように, 4つのビーカーA1~A4にうすい硫酸をそれぞれ10.0gずつ, 4つのビ ーカーBI~B4にうすい水酸化バリウム水溶液を7.5g,15.0g,22.5g,30.0g入れた。 A1 A2 A3/ A4 SY 10.0g 10.0g 10.0g 10.0g B1 B2 B3 7.5g 15.0g 22.5g 30.0g B4 ビーカー うすい硫酸 うすい水酸化バリウム水溶液 図1 (2) 図2のようにビーカーA1と B1の質量をいっしょにはかった。のビーカーA1の水溶液 にビーカーBIの水溶液をすべて加えて,よく混ぜ合わせて反応させると白い沈殿ができ た。反応後,再びビーカーA1とB1の質量をいっしょにはかり, 反応前の質量と比較した。 なお,混合後の水溶液をX1とした。 ビーカーB1 水溶液X1 ビーカーAI 新着混ぜ合わせる 本の中 脚 電子てんびん 図2 (3) 水溶液X1を試験管に白い沈殿を入れないように1 cm°とり, BTB溶液を加えて色の変 化を調べた。 (4)水溶液X1をビーカーに白い沈殿を入れないように10cm とり,図3のような装置で3Vの電圧をかけ,水溶液に電流 が流れるかどうかを,豆電球が点灯するかどうかで調べた。 (5) ビーカーA2と B2, A3と B3, A4と B4についても(2)と同 じ操作を行い,混合後のビーカーの水溶液をそれぞれX2, X3, X4とし,得られた水溶液X2~X4について(3), (4)と同 じ操作を行った。 16) 水溶液X1~X4の中の白い沈殿を集めて蒸留水で洗浄し、 乾燥させて質量をはかった。 電源装置 豆電球 ビーカー 水溶液 ステンレス電極 図3

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