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English Junior High

32、33、34、35がわからないです。 教えてくださいませんか? メチャクチャ急いでます

の英文の内容に関して (31) から (35)までの質問に対する答えとして最も 4[C] 切なものを 1,2,3,4の中から一つ選び、その番号のマークをぬりつぶしなさい。 Abbie Burgess About 200 years ago, there were no airplanes or trains in the United States, so people used ships to travel. Some areas were very dangerous for ships, so lighthouses* were built in these places. At night, people on ships knew they had to be careful when they saw the light on the top of a lighthouse. The people who took care of lighthouses were called lighthouse keepers, and their job was very important. In 1853, a 14-year-old girl named Abbie Burgess moved to an island in Maine with her family. No other people lived on the island, and Abbie's father was the lighthouse keeper. Abbie helped her father in the lighthouse. She learned how to clean the lights in the lighthouse and do many other things. The lights had to shine* brightly until morning. Just before winter in 1856, Abbie's father had to leave the island to buy food. He had to go 25 miles by boat to get to the nearest town. He told Abbie to take care of their family and the lighthouse. After he left, a big storm came, and it was the biggest storm in 100 years. It rained and snowed for four weeks, so Abbie's father could not return to the island. Abbie took care of the lighthouse by herself for one month. Finally, Abbie's father came back. He was very happy because his family was safe. Abbie did a great job. Her work saved many people's lives. Abbie became the assistant* lighthouse keeper in 1862. EDEL *lighthouse: T *shine: 3 assistant: 補佐の (31) What did lighthouses do? 1 They helped ships to find other ships. 2)They told ships about dangerous areas. 3 They told people that storms were coming. 4 They helped people on land at night. (32) When did Abbie Burgess move to the island? 1 in 1852. 2 In 1853. 3 In 1856. 4 In 1862. (33) Why did Abbie's father have to leave the island? 1 To get food. 2 To find a job. 3 To see his family. 4 To help people on a ship. (34) How long was the big storm? 1 One week. 2 About two weeks. 3 About a month. 4 100 days. (35) What is this story about? 1 The oldest lighthouse in the United States. 2 A young girl who took care of a lighthouse. 3 People traveling by ship in the 1800s. 4 A famous island in Maine.

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Science Junior High

問3の問題です。答えはアで水を蒸発させるまで分かるんですけど、なぜABCになるんですか? Aにはまだ塩になイオンないですよね(>_<)

2 次の実験について、 問いに答えなさい。 次の①~③の手順で実験を行い, 結果を表にまとめた。 ① うすい塩酸とうすい水酸化ナトリウム水溶液を装のように体積をはかり, それぞ電源装置 れ4つのビーカーA~Dに入れ、よく混ぜ合わせて反応させた。 ② ビーカーAの水溶液を試験管に少量とり、 緑色のBTB溶液を少量入れ、色の変 化を調べた。 次に、 右の図のような装置で3Vの電圧を加えて水溶液に電流が流れ るかどうかを調べた。 (3) ビーカー BDについても②と同様に調べた。 表 間1 酸の水溶液とアルカリの水溶液を混 ぜ合わせると起きる, たがいの性質を 打ち消し合う反応を何といいますか、 書きなさい。 また, この反応を化学式 を用いて表しなさい。 うすい塩酸〔cm〕 うすい水酸化ナトリウム 〔cm〕 BTB溶液の色 電流 ビーカーA 10.0 8.0 黄色 流れた ola 操作 水溶液 電流計 ビーカーB 10.0 16.0 黄色 流れた ビーカーC 10.0 24.0 問2 中性になったビーカーCでも電流が流れたが, ビーカーCにあるイオンをすべて化学式で書きなさい。 SOMOS LOS CONTAIN NaOH 問3 ビーカーA~Cの水溶液から,それぞれ塩をとり出すための操作と, その操作によって塩を純粋な物質としてとり出すことができる水溶液 の組み合わせとして適当なものを、右のア〜エから選びなさい。 緑色 流れた 豆電球 ステンレス の電極 水溶液 ビーカーD 10.0 32.0 青色 流れた I アイ ウ 水を蒸発させる 水を蒸発させる 冷却する 冷却する A.B.C A, B, C A

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