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英語 高校生

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Grammar Focus noun refers to something that cannot be counted (a mass), and so it does not use a plural form. When a noun is countable and it refers to only one person, place or thing, the singular form is used. If the noun refers to more than one, we use the plural form. Plurals are usually created by adding -s to a noun's When a noun is used, it is important to determine if it is countable or uncountable. If uncountable, the singular form, but the spelling of plurals varies and can be irregular. Nouns-Countable / Uncountable Complete each of the following sentences with an appropriate word or phrase. 1. Donating blood is a good way to savea life because patients often require ( to help treat a fatal disease. ) or platelets b. was blood a. a blood C. blood d. its 。Radiation, matter, gravitation, electric charge, and magnetism are all invisible physical a. a phenomenon b. phenomenon C. the phenomenons d. phenomena 3. If people have ( )lasting a week or longer, it may be caused by the flu. a. fever b.a fever C. fevers d. the fevers 4. The ( )are using the forensic science lab report to help them in the investigation. a. detective b. police officer C. polices d. police ) travels in straight lines, and transmits energy from one place to another. a. Light b. The lights C. A light d. Lights ) people think that smoking is healthy, some people do think that smoking is ) people never try to quit smoking. C. few, quite a few 6. Although ( arelaxing tool. Surprisingly, ( a. quite a little, little b. little, quitea few d. quite a few, little ) in the summer camp are interested in nature. a. Most of childs b. The most child c. Most of children d. Most of the children ) can be dangerous if you don't recognize an adverse reaction. b. a medicine 8. Taking a. medicine d. one medicine c. medicines lectronic data exchange via e-mail or the Web is more eco-friendly than using millions of d. sheets of papers a. a sheet of paper c. sheets of paper b. a sheet of papers 10. 7Of the employees in the company are contract workers. c. Number d. Majority a. Lot b. Half

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英語 高校生

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【必答問題) and 27,000 miles (about 43,000 kilometers), Irving became the youngest person at that 4次の英文を読んで,あとの間間いに答えよ。(配点 20) time to fly around the world alone. Today, as part of Experience Aviation, Irving is planning a “Classroom in the Sky." Barrington Irving was the first African American to fly around the world by himself. This time, he wants to fly a jet around the world and get thousands of students to work He did it in an airplane he built himself. He also started an organization to get young together with him to help solve problems he has while flying. Through the Internet, the people interested in flying and to teach them not to be afraid to follow their dreams. students will be able to see Irving, get information from him, and talk with him as he Irving was born in Jamaica in 1983. When he was six years old, his family moved flies, Irving is really determined to help young people become interested in flying. to Miami, Florida. His parents, who were not rich, hada bookstore. When Irving was not in school, he worked at the bookstore. One day he met an airline pilot there. Irving 注) *cockpit =(航空機の)操縦室 *control =制御(操縦) 装置 was only 15 at the time, The pilot took Irving to the airport, and there they got on a *scholarship=奨学金 *aviation =航空 (学) Boeing 777 airliner. The pilot let him sit in the *cockpit and play with the "controls. *equipment =備 From that time on, Irving was determined to fly. He wanted to do everything to make 問1 本文中の空所(ア)に入れるのに最も適当なものを、次の1~4のうちから一つ選 this dream come true. び、番号で答えよ。 To make money for flying lessons, Irving took small jobs at airports after school. 1 Because He studied hard and graduated from high school in 2002. ( ア) he was such a good 2 However student, Irving got a *scholarship to go to college and study #aviation. While Irving was 3 If in college, he wanted to share his love of flying with high school students in poor Though neighborhoods, He viaited schools in his free time and talked about careers in aviation. When Irving got his pilot's license, he began to have a bigger dream. He wanted to 問2 次の Question に対する Answer となるように, 空所に当てはまる適当な英語を補え。 fly around the world to show young people that there is no limit to your dreama if you Question: What did Irving want to show young people by flying around the world? really want something. He had no money to rent a plane, so he asked the makers of Answer :There is ( airplanes to give him parts for free so he could build his own plane to fly around the world. (イ) They agreed. 問3 下線部(イ)について具体的に説明した, 次の文の空所 ( ① )· ( ② ) に当てはま In 2005, Irving started a non-profit organization (NPO), called Experience る適当な日本語を、 They が指す内容を明らかにして補え。 Aviation, to get poor young people interested in flying. He even taught them how to put アーヴィング(Irving) が ( a plane together, and that helped them to understand math and science. Later, the ために,( の )ことに同意した。 students built a plane and Irving flew it. The next year, with the help of others, Irving 8ot money to start a learning center in a Miami airport with *equipment to help the students learn to fly a plane. 問4 アーヴィングが開講を予定している教室で、, 生徒たちがインターネットを利用すること みだ

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化学 高校生

「豪雨のように滴下し、炉底にたまる」とありますが、何故ですか? 鉄が熱で融解しているということですか? この融解帯、滴下帯というのもよく分からないです この絵だと鉄が炉にくっついて落ちていないように見えます。なぜですか?

解で生じたCaO と反応して、 Cosio (AIO2)2に変化したもの。 スラグは、 500 第4編 無機物質 元の 3.5g/cm°のガラス状の物質で、 粉吹して 原料 高炉ガス メントの原料とするほか、 道路の地 剤などに用いられる。 約1時間ごとに出鉄口を開け, 「コークス 石灰石 鉄鉱石 SCIENCE ラグとを別々に取り出す。 こうし 仕方によっ り,その性 は炭素量の (1) 焼き を,鉄製 軟らか、 炭素を0. (溶融帯) と。 した鉄鉄は, 炭素分を多量(約) でおり,硬いが脆くて割れやす で,銃鉄の大部分は, 炭素分をらして、 粘り強い性質をもつ鋼に変えられる。 鉄鉄を下図のような転炉に移して、 ら高圧の O2 を 15~20分ほど吹き込んで、 余分なCや不純物のSやPなどを働 (滴下帯) 一熱風 (2) 焼き を,オ せんてつ 羽口 鉄鉄 スラグ 貨 車 せて除くと, 鋼ができる。 硬度な *5 鉄鉄は,炭素による融点降下により、 (3) 焼 300~ 車 レール 的低い融点(1150~1250℃) をもち、 すい性質がある。また, 溶融銃鉄中の レール 溶鉱炉(高炉) ると 多くは,冷却時に黒鉛として析出する。 * 2 粉末状の鉄鉱石やコークスはそのまま高 炉に入れると, 炉内が目づまりをおこし,CO ガスが十分に流れない。そこで, これらに石 灰石を加えたものを一定の大きさに焼き固 め,ペレット状にしたものを高炉へ入れる。 鉄鉄を1t生産するのに, 鉄鉱石1.6t, コー クス0.4t, 石灰石 0.2tを必要とする。 *3 羽口は, 図には2か所しかないように見 えるが,実際には溶鉱炉の周囲に約 40か所 もついている。また, 羽口の上部で溶鉱炉に 少し膨らみをもたせてあるのは, 鉄の溶融 物が安定して落下するようにするためで, その角度は経験的に決められている。 前記のように,還元反応は溶鉱炉の下か ら上へ,また中心部から周囲へと進行し, 生成した鉄は炉芯に近い所から豪雨のよう に滴下し, 炉底にたまる。この鉄を銃鉄と いう。一方, 鉄鉱石中の不純物は石灰石と 反応して,スラグ*4 とよばれる物質とな り,鉄鉄(密度7.0g/cm°) の上に浮かぶ。 *4 不純物の Si02や Al:03 が, 石灰石の熱分 れる になるが,黒鉛は鉄に比べて13以下 度しかないので, 黒鉛の析出によって 熱父 の組織 は,ふつう,約6%増加するとされいていま。 a, B この性質を利用して, 鉄鉄は鋳型に演 んで複雑な形の鉄製品(鋳物) をつくる ちa 面心 使われる。 鋼の中に含まれる炭素の量によって、 は硬鋼と軟鋼などに分けられ, それぞれ。 用途に利用される (下表)。 性で 性 酸素 取り出し口 回転輪 ん2 耐火レンガ 希ガス 転炉 鋼の種類 極軟鋼 炭素の割合(%) 軟 鋼 最硬線 硬鋼 0.12以下 0.40 以下 0.80以下 0.80以上 薄板,トタン, プ 鉄骨, 鉄筋, 鋼板, 車軸, 歯車などのレール, ワイ リキ板,針金,釘 リベット (鉄) 製品用途 びょう 機械部品,ボルト|-ブ,ばね, 2

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