Grade

Type of questions

English Junior High

この文法が分かったら全て解けるっていうのを 解説してください。

1.次の疑問文に( )内の語句を使って答えなさい。 1 Was Mr Sato swimming in the sea? (no) No, he wasn't. 2 Does Yukiko like music? (yes) Yes, she does. 3 Do you live in Osaka? (no) No, I don't. 4 Are you good friends? (yes) Yes, we are. 5 Did your aunt come to your house? (no) No, she didn't. 6 Where does Keiko play tennis? (in the park ) She plays tennis in the park. tennis が it でも OK Ne radio ( ten) How many books do you have? I have ten. 7 II have ten books. hy udying biatory 2 What time did you get up this morning? ( at 6:00 ) I got up at 6:00. /I got up at 6:00 this morning. 8 Dlep hat time? (my mother) (My mother cleans.は× ) 9 Who cleans this room? My mother does. olbng (after dinner) When does Tom study English? He studies English after dinner. English が it でも OK eE 10 (Ken's) I saw Ken's./I saw Ken's sister. 11 Whose sister did you see? (in Tokyo) It is in Tokyo. 12 Where is his house? god boy How does your sister go to school? She goes to school by bike. / She goes there by bike. (by bike) 13 Ne yor 下記参照 14 How many students are there in your class? ( thirty) I did.(washed は× ) 15 Who washed these dishes? (tomorrow) She will come here tomorrow. 16 When will Ms Tanaka come here? (Emi's aunt ) She is Emi's aunt. 17 Who is the beautiful woman? (mine) They are mine. 18 Whose pens are these? (a dog) A dog is.(in the box は不要 ) 19 What is in the box? 20 How old is your father? (forty) He is forty. / He is forty years old. 14 There are thirty. / There are thirty students./ There are thirty students in my class.(your はx )

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Mathematics Senior High

下線部の部分、どうしたら1という計算結果になるのでしょうか?

280 不等式2+log53<log- 81 +21og.{1-2ノの表す領域を図示#。 [類センター試験 重要例題179 対数不等式と領域の図示 の表す領域を図示せよ。 基 1S D 真数>0, 底>0, 底キ1 の条件を確認。 [2 底をそろえる。 底をyにそろえて, logyA<logッBの形を導くとよい。そして, y>1のとき log, A<log,B←A<B 大小致 指針> 前ページで学んだ対数不等式を解く要領で進める。まず。 0<y<1のとき log, A<log,B← A>B 大小反対 (不等号の何きが変れる 指針 に注意し,x とyについての不等式を導く。 CHART 文字を含む対数 真数>0, 底>0. 底キ1に要注意 解答 の CI x<2 真数は正であるから, 1-号>0より 底yとyについての条件から y>0, yキ1 logy3 -=21ogy3 であるから, 与えられた不等式は logyVy 10g A1og=lbg log.g3= 2+21og,3<41og,3+21og。{1- 号) ま 整理すると1<log,3+log(1- 芸) 2 すなわち log.y<log,3(1- 2ol で (1=log.y [1] y>1のとき イ大小一致 x 2 『[2] 0<y<1のとき イ<- 3 (大小反対 y>3 く>-+ これらとのを同時に満たす不等式の 表す領域は,右の図の斜線部分。 ただし,境界線を含まない。 40の条件を忘れた 0 の:y>1かつ し 注意 底を3にそろえると, 分母がlogsyの分数不等式が導かれ る(実際のセンター試験ではこの形式)。この分母を払うとき, 両辺に掛ける式 1og,y の符号に応じて、不等号の向きが変わる ことに注意が必要である(純習1700 3:0<y<1? とすると、 「のかつ(2また をた

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