問題文全文(内容文)：
多くの中高一貫校で採用されている中2用英語教材の3rd editionの解説動画です。
著作権の関係で本文は扱っておらずテキストに合わせた「文法解説」を行っています。
この動画を見て文法事項をマスターして自力で本文などを訳せるようにしていき、学校の定期テストで高得点を狙いましょう！

問題文全文(内容文)：
By the end of next year, I ( ) for thirty years.
1.will be lived
2.will have lived
3.have lived
4.could live

問題文全文(内容文)：
今回は【句動詞(群動詞)】についての解説動画です。

問題文全文(内容文)：
次の問いにおいて、文章中の（　　）に入れるべき文が三つ、順不同で下のA～Cに示されている。
論理的な文章にするのに最も適当な配列のものを、それぞれ下の1～6のうちから選べ。

【問】
Throat microphones, which pick up the vibrations of normal
speech directly through the skin rather than through the air,
are useful in extremely noisy situations such as when
motorcycle messengers on the freeway must communicate
with their headquarters. (　　 ) For now at least, our private
thoughts are safe.

A. While some people worry that a system like this will be able to read
our minds, in its current stage it can only understand a few simple words.

B. The system is sensitive enough to pick up the "inner speech" we use
when we are silently reading or thinking.

C. Now NASA scientists have developed a more advanced system than
throat microphones.

For now at least, our private thoughts are safe.

1. (A)→(B)→(C)
2. (A)→(C)→(D)
3. (B)→(A)→(C)
4. (B)→(C)→(A)
5. (C)→(A)→(B)
6. (C)→(B)→(A)


【問】
Gorillas are social animals with many similarities to humans. When
threatened, a male leader may attempt to protect his group
through aggressive displays which.commonly involve chest-beating
or short rushes toward the danger. (　　 ) Although watching TV or
videos is sometimes said to be harmful to human beings, the
keepers think that this plan might make gorillas "think more about life."

A. In zoos this shyness sometimes develops into inactivity or depression.

B. Some zookeepers in Russia therefore have come up with a plan to give
gorillas a broader experience of life by showing them wildlife videos.

C. However, studies indicate that gorillas are normally quiet, even shy,
animals that live in stable family groups.

...the keepers think that this plan might make gorillas "think more about life."

1. (A)→(B)→(C)
2. (A)→(C)→(B)
3. (B)→(A)→(C)
4. (B)→(C)→(A)
5. (C)→(A)→(B)
6. (C)→(B)→(A)

問題文全文(内容文)：
ほかの問題では、その問題は説明がつきません。

を英訳しなさい。