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理科 中学生

【2】の問3番の問題が分からないので教えて下さい。

【2】 形や大きさは異なるが,それぞれ一様の物質でできている6個(A~F)の固 体がある。それぞれがどんな物質でできているのかを調べるために,質量と体積を 測定した。グラフは,それぞれの物体の質量と体積をはかって表したものであり, 表はおもな物質の密度である。これについて,次の問いに答えなさい。 C おもな物質とその密度 (g) 100 90 物質名 ポリスチレン アルミニウム 鉄 7.87 銅 8.96 水銀 13.5 40 (cm³) 金 19.3 1. 表の6種類の物質をそれぞれ 10cmずつ用意した。 もっとも重い物質はどれか。 2. 質量100gのある物質を, 水の入ったメスシリンダーに入れると、下の図のようにな った。これについて,次の各問いに答えなさい。 80 70 60 50 30 20 10 0 0 paupeIDIK ¥80) 8-70 -60 ww 30 An → D B 20 体積 70 -60 50 40 30 30 I cm になるか。 -303 8.90 ziarabuka acha isladanja -80 -70 SESS 20 2453 30 密度[g/cm 1.06 2.70 -70 160 50 40 8 30 ① この物質の体積は何cm 2 この物質の密度を求めなさい。(小数第3位を四捨五入して求めなさい。) (3) この物質は何と考えられるか。 上の表から選びなさい。 A~Fの固体は同じ物質でできているものもある。 Aと同じ物質でできているものを B〜Fからすべて選びなさい。

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英語 中学生

下線部(1)を並べかえてくださいm(_ _)m

"How are you?" is a nice question. It's a friendly way that many people greet each other. But "How are you?" is also a very unusual question. It's a question that often doesn't have an answer. s "How are are you?" the When a person meets a friend on the person doesn't really want to hear an I with wrong what is (1) (7 me street and asks answer such as "I really don't know I thought I had a cold. ). I took some medicine, but that didn't help much, so I have to go to a hospital." The person who asks "How are you?" wants to hear the answer "Fine," even if the other person isn't ( 2 )! The reason is that "How are you?" isn't really They are simple ways of greeting a (3 ), and "Fine" isn't really an answer. people and saying "( 4 )” boog aleat Sometimes, people also don't say exactly what they mean. For example, when someone asks "Do you agree?," the other person might be thinking "No, I disagree. I think you're wrong." But (5) it isn't very polite to disagree so strongly, so the other person might say, “I'm not so sure." L say that you don't agree with someone. It's a nicer way to savongob a gni People also don't say exactly what they are thinking when they finish *conversations with other people. For example, many con conversations over the phone end when one person says, "I have to go now." Often, the person who wants to "I have finish the phone conversation gives an excuse: "Someone's at the door." to *put away the *groceries." "Something is burning on the stove!" The excuse might be real, or it might not be. Perhaps the person who wants to finish simply doesn't want to talk any more, but it isn't very polite to say (6) that. The excuse s more polite, and it doesn't hurt the other person's feelings. *Whether they are greeting each other, talking about an opinion, or ending a onversation, people often don't say exactly what they are thinking. mportant way that people try to be nice to each other, and it's all part of the ame of language! It's an * (Express Ways 2, Pearson Longman -

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