赤線のところなのですが、解答と私の範囲の、違い？を教えてください。 私の範囲ではダメなのでしょうか。

138) E DOO000 基本例題 81 2次関数の最大・最小 (3) aは正の定数とする。 0≦x≦a における関数f(x)=x2-4x+5 について,次の 問いに答えよ。 (1) 最小値を求めよ。 指針 区間は 0≦x≦a であるが, 文字αの値が変わると, 区間の右端が動き, 最大・最小と なる場所も変わる。 よって、 区間の位置で場合分けをする。 [1] 軸が区間 の外 (1) y=f(x)のグラフは下に凸の放物線で,軸が区間 0≦x≦αに含まれれば頂点で最 小となる。 ゆえに, 軸が区間 0≦x≦αに含まれるときと含まれないときで場合分け をする。 [3] 軸が区間の 中央より右 ・軸 最大 (2) 最大値を求めよ。 区間の 中央 最小 (2) y=f(x)のグラフは下に凸の放物線で,軸から遠いほどy + S-8-15+ の値は大きい (右の図を参照)。 よって,区間 0≦x≦4の両端から軸までの距離が等しくな るような (軸が区間の中央に一致するような) α の値が場合 分けの境目となる。 最大 最小 [4] 軸が区間の 中央に一致 軸 (0) 3+x+ [1] las2 のとき 図 [1] のように,軸 x=2 は区 間の右外にあるから, x=α で 最小となる。 最小値は f(a)=a²-4a+5 [2] 軸が区間 の内 [1] ●最大 f(x)=x2-4x+5=(x-2)+1 解答 y=f(x)のグラフは下に凸の放物線で,軸は直線x=2 (1) 軸x=2が0≦x≦αの範囲に含まれるかどうかで場合 分けをする。 ←区間の両端 [5] 軸が区間の から軸まで 中央より左 の距離が等 しいとき。 区間の 中央 x = 0 軸 小 最小 -x=a 軸 x=2 基本80 FEROOMARt | ◄ƒ(x)=x²-4x+2² -2²+5 #CAY 最大 区間の 中央 指針 の方針｡ 軸x=2が区間0≦x≦a に含まれるかどうかで、 最小となる場所が変わる。 区間の右端で最小。

動詞句

次の (A)~(H) の各文の下線部が []内の語句と同じ意味にな 91 るようにするには、下線部の空所に下の語句のどれを補えばよい か。 その番号を記せ。 (A) The manager turned his request for a day off. [refused) 1 off 2 back 3 out 4 down 5 away (B) I waited turn 1 up (C) I don't noon. half an hour for my friend, but he didn't (appear] 2 out 3 on think I shall get 1 up 2 out 3 through (D) I don't think she will ever get [recover from] (E) He takes 1 to 2 in (F) A fire broke 4 in 5 about (complete] 1 in 2 off (H) We wondered 1 about all this work this after- 1 down 2 from 3 out 4 over 5 away with his father in many ways. [resembles] 5 over 3 after during the night. 4 up [started suddenly) 1 through 2 down 3 off 4 over 5 out (G) The soldiers fought valiantly, but finally they had to give [surrender) 4 away 3 out how he was getting (doing) 2 up 4 off 3 out the shock. 5 away 4 off 5 down in his new job 5 on (成蹊大)

動詞句

90 各文の下線の部分に代用できる同じ意味の句 (活用形は問わない) を下にあげたものの中から選んで、その番号を記せ。 ただし, 同じ ものを二度使ってはいけない。 Have you visited him? 答 (1) (a) I often telephoned my brother. (b) They omitted his name on the list. (c) He finished all those papers before ten o'clock. (d) He recovered from the serious illness. (e) I am very busy; don't rely on me for any help. (f) The balloon suddenly exploded. (g) We'll have to postpone the meeting until next Saturday. (h) Yesterday I happened to see her at the market. (i) The flood was caused by several days of heavy rain. (j) I didn't expect any visitor that night. (1) call on (2) look for (3) get off (5) put off (6) call up (4) talk over (7) put out (10) come across (8) leave out (11) get through (13) count on (14) blow up (9) get over (12) bring about (千葉大)

動詞句の問題です。

88 かっこ内の適当な語の番号を記せ。 1. Mother asked Father over and over to (1 finish 2 stop 3 shut 4 give) up smoking. 2. It is warm here in winter. I can (1 do 2 keep 3 stand 4 enjoy) without an overcoat. 3. I (1 ran 2 fell 3 got 4 turned) into an old friend at the meeting. 4. Some students (1 caught 2 made 3 kept 4 saved) up for their laziness in class by studying harder. (E) 5. Why don't you ask her to look (1 at 2 on 3 after 4 for) the baby while we are out? (国学院大) 6. They looked (1 at 2 on 3 for 4 with) him as a great poet. (徳島大) 7. The children are still ill, so we will have to put (1 away 2 down 3 off 4 out) tomorrow's picnic. (センター) 8. I couldn't make (1 on 2 up 3 out 4 off) the figure in the dark room. (京都産業大)

英検一級のライティングの添削をお願いしたいです。 Should the Japanese government encourage more immigration? というトピックで書きました。よろしくお願いします。

The Japanese government should encourage more immigration Problems such as lack of diversity, Japanese companies retreating from the world declining birth rate 39 there is a because market, and aging population with a can be solved by increasing immigration. Japan, although it is one of the advanced countries, lack of diversity. Except of big cities like Tokyo, there are only few foreigners. I think this is a set back to Japan while other countries are stepping foward by changing its own system, Japan is refusing to make a change to its old style, and I believe this is because Japan doesn't have abundant. perspectives. foreign countries to. By encouraging more immigration, they can provide many different views and stimulate Jahanese people. as of what does other countries. a image Japanese companies are retreating from the world market. Many Companies in Japan are producing overeng ineered expensive products that only targets Japanese customers and it is losing its power in other countries : If Japan accepts more immigrants Japanese companies. will be able to get detailed regire to their product and stay in the world market. Aging population and a declining birth rate is a huge problem in Japan right now. Because of it, companies are losing workers and young people will have to saffer with a lot of taxes in the future. Encouraging immigration can increase population and solve. these problems more By encouraging more immigrations, many problems that Japan is facing can be solved.

なぜbeen が必要なのですか？？ will have finished ではダメな理由を教えてください。

問題演習 STEP 019 000 2 それぞれの設問の指示にしたがい、 問題を解きなさい。 日本語の意味になるように、[ ]内の語を並べ替えなさい。 FUT BELI dol a jog 春学期が始まるまでに、新しい実験室の建設は終了しているでしょう。 The construction of the new [been/by/ finished/ have/laboratory/ the time / will] the spring semester starts. (武庫川女子大学)

1番と7番の訳おねがいします。

①() 1. Not 内に入る最も適切な語句を, ①~④のうちから一つ選びなさい。 ) attention, Janet picked up the wrong day. 1 to pay 2 pay 2. Several accidents happened, holidays.sr 1 have caused 2 causing B 前 38 3. ( her homework, she went to bed. 1 After finish 2 After finished 1 having been judged 3 judged Lesson 12 6. (2) cold, she turned the heater on. 1 To feel 2 Feeling 3 paying 4 paid a lot of delays for the tourists who had come for the [ 神奈川大〕 3 caused being that they are 3 being what they are 3 Finished 4 Having finished 4. I would say () from the current symptom she has, the lady may have cancer in her large intestine. Juding from [杏林大〕 から断すると 2 having been judging 4 judging 5. ()) raining the day before yesterday, the hike was postponed. 3** (*) Has it started 2 Having it started 3 It having started 4 It started 15111 さかったので 3 Felt (4) causes [ 青山学院大 〕 vara 2 are that they are 201-07 [神奈川工科大〕 4 Feel 7. This is certainly not the best way to solve the problem, but the circumstances (), I don't 3 see another choice. 主節の国と分撤の森大かつ 4 are what they are [岩手医科大〕

一枚目　長文 二枚目　問題（ア） 三枚目　自分の答えand模範解答 付属の解説本が意味不明でした。解説お願いしたいです。

10 Life Reading 目標 20分 速読問題 次の英文を2.5分で読んで, 1. の問いに答えなさい。 Would you like to try to read a book that is 140 pages long every day! Many - are Japanese are surprised (2) to learn how long some American newspapers are. They a Slæom orll aneqsgewen to ancieev listipib ert asli orl not always 140 pages long, but they are usually at least 50 pages long. On Sundays 70198 ni olqooq odT C to 21697 0 1 qoq T some big city newspapers have hundreds of pages and *weigh almost a kilogram. gnibro biqs news, too. 37 There are lots of sections 5 (3) Of course, not everything in such a newspaper is news. m2 T raqaq zabavě s esi vis (1974-monib) 19m 16918 i 1996 about books, movies, travel, computers and hobbies, as well as star interviews and es, as well s boy arroqe bas zadintend comics in color. There are also many *advertisements, of course, but a lot of people ano ang m CECING OF COU vsbru² no,199sq ylisb niebimos atidhe bias Hold com bris flood, 25ñola bas find the advertisements very entertaining. Of course, the newspapers have a lot of he) {lind sdt ni snovievs ch the news Moky) zpililoq You may be surprised to find that (4)such large newspapers are (5)very cheap. They gaidyar are much cheaper than a newspaper in Japan. A large, heavy Sunday *edition of a vbodyas J Sunday edition of a Japanese newspaper. ding/ 4 weigh [wéi] : 重さが･･･である 11 edition [idífan] : (新聞の)… 版 1. smi ca ad te bear a newspaper in a big city may only cost about 350 yen, but it is 20 times bigger than the JR noilo92 smse sdt best a siqot amae ad juos at ziqot installib yasm tuds et 7 advertisement [ædvərtáizmənt]: 2 @ (171 words)

一枚目　長文　 二枚目　選択肢 三枚目　自分の答えand模範解答 解説お願いします。

10 Life 目標 20分 Reading 速読問題 次の英文を2.5分で読んで, 1. の問いに答えなさい。 Would you like to try to read a book that is 140 pages long every day? Many Chod of gi amor gnivel 91018 Japanese are surprised (2)to learn how long some American newspapers are. They are Strom erll aneqaqawen to anoienev Istigibrarü alilorlW not always 140 pages long, but they are usually at least 50 pages long. On Sundays, 208 miss ni olq to a los d some big city newspapers have hundreds of pages and *weigh almost a kilogram. gnibro biq 5 (3) Of course, not everything in such a newspaper is news. al nogeq vebau2 s dva no news, too. about books, movies, travel, computers and hobbies, as well as star interviews and kl zweiver sivom bruslood 2911212919i nemud" brit a day toge bns eesnied . F comics in color.euThere are also many *advertisements, of course, but a lot of people ni immortwebas dold bris,noisse blow a e'eredi ysbru² no 199sq ylisb find the advertisements very entertaining. Of course, the newspapers have a lot of rimantledi ni mot There are lots of sections 12 sdt : [xbiszid] anbied we ca de terroiri nemar You may be surprised to find that (4)such large newspapers are (5)very cheap. They Sunday edition of a Japanese newspaper. news gnidrens S vbodzub are much cheaper than a newspaper in Japan. A large, heavy Sunday *edition of a gnition 4 weigh [wéi] : 重さが・・･である 11 edition [idifan] : (新聞の) ･･･版 1. こ 7 advertisement [ædvərtáizmənt]: but it is 20 times bigger than the newspaper in a big city may only cost about 350 yen, but it is zamit Jn979llib Jis moitos sme si bes ne E DAS C plot me juos ziqot installib yasm Juods xls) 62 . a b 2. (171 words) (

時、条件を表す副詞のかたまりの接続詞ってifだけですか？

t 10st)は大過去、外のV (gave up) は過去、と時制が違うので④が正解。 15 正解 ① (訳: 晴れたら、私たちはピクニックへ行くつもりです。) ★カタマリの中の S (it) と、 外の S (we) は違うので残す。 カタマリ の中の V (is)は現在、外のV (will go) は未来、としたくなるが、 is の方は「時・条件を表す副詞のカタマリの中未来の文でも現在形」 というルールによって現在形で書いてあるだけ。 よって、 is は未来の ことを表しているので時制は同じ。 ①が正解。 ex 151