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)：
森田先生が慶應義塾大学志望の学生の英作文を添削します。

正しい文法で英作文が書けるようになりましょう！

問題文全文(内容文)：
12月の勉強法　優先順位説明動画です

問題文全文(内容文)：
麻生院長が出身大学・藤田医科大学の英語入試に挑戦します！

以下の問題に挑戦してみましょう！
1. [1] the police don't suspect him doesn't mean that he isn't a criminal.
(1) Immediately after
(2) Just because
(3) Not until
(4) Only if

2. Her parents objected [ 2 ] by herself in such a rough neighborhood.
(1) her live
(2) her living
(3) to her living
(4) to her to live

3. I don't know what became [ 3 ] him after graduation.
(1) in
(2) of
(3) to
(4) with

4. We were lost, and [ 4 ] was worse still, it was getting dark.
(1) as
(2) it
(3) that
(4) what

5. My brother is going to go bankrupt unless he starts saving money and lives within his [ 5 ].
(1) debts
(2) deficits
(3) means
(4) measures

6. What would you do if you had a lot of money at your [ 6 ]?
(1) deterioration
(2) digestion
(3) disposal
(4) dynamics

問題文全文(内容文)：
2023年度共通テスト「英語（リスニング）」の解説動画です