問題文全文(内容文)：
森田先生が2023年慶應義塾大学商学部の英語入試の講評をします。

以下の問題に挑戦してみましょう！
(31) Due to the heavy storm, the power went out. (　) had the blackout ended than the city lighting returned.
1 As far as
2 No sooner
3Not until
4 Right after

(32) (　) had I left the office, the sun broke out from behind the clouds.
1 Before ... had
2 Hardly... when
3 Just ... about
4 Not... after

(33) She (　) the medal three times in a row at the Olympics if she wins next time. It is too bad that she will retire after those Games.
1 will have won
2 will win
3 wins
4 would have won

(34) (　) how strongly Pat protested his dismissal, his deportation was finalized.
1 According to
2 In terms of
3 No matter
4 Referring to

(35) I am often struck by how a social norm impacts medical culture and (　) such a part in the way patients are treated and symptoms are investigated.
1 focuses
2moves
3 plays
4 runs

(36) Yukiko had long aimed to write a book. When she finally (　) her dream, she was doubly thrilled to find that her work was a best-seller.
1 fulfilled
2 managed
3 met
4 succeeded

(37) Opportunity gaps in schools (　) other societal gaps, such as income gaps. It is impossible to discuss this kind of divide in educational opportunity without examining these other societal inequalities.
1 await
2 channel
3 monitor
4 parallel

問題文全文(内容文)：
20年は上智、立命館、立教、南山、横市などで登場し、英検などの自由英作文でも出題されるcashless society。2021年流行ること間違いなしのトピック！

問題文全文(内容文)：
森田先生が早慶の英語入試（英文法）を解説します。

各問題の解き方を知って、参考にしましょう！

問題文全文(内容文)：
$c$を実数とする。$x$についての2次方程式
$x^2+(3-2c)x+c^2+5=0$が2つの解$\alpha,\ \beta$を持つとする。
複素平面上の3点$\alpha,\beta,c^2$が三角形の3頂点になり、その三角形の重心は$0$であるという。
$c$を求めよ。

問題文全文(内容文)：
立命館大学過去問題
a,b実数　次の式が成り立つa,bを求めよ。
$a^2+10b^2-6ab-2b= -1$

大阪大学過去問題
(1,0)を通り、$y=x^4-2x^2+1$に接する直線の方程式をすべて求めよ。