実在しない英単語「dord」が、アメリカの大辞典に何年も載っていた

Q1. What is the passage mainly about?

1. AA new word for density that scientists made up
2. BA word that got into a dictionary by mistake
3. CHow to use a capital letter
4. DWhy dictionaries are heavy

nobody ever used this word と、カードの読み間違いで辞書に入った経緯が中心なので B。

Q2. When did an editor find the mistake?

1. AIn 1934
2. BIn 1939
3. CIn 1947
4. DNobody found it

An editor found the mistake in 1939 とあるので B。1947年は単語が消えた年。

Q3. In this passage, "stand for" means ...

1. Ato get up from a chair
2. Bto wait in a line
3. Cto be a short way of writing something
4. Dto hate something

a capital D and a small d can both stand for density は「DもdもDensityを表す（略号になる）」という意味なので C。

Q1. What did the card "D or d" really mean?

1. ADord is a new scientific word.
2. BBoth a capital D and a lowercase d are used for density.
3. CThe word "or" should be removed.
4. DDensity should be spelled with two D's.

meaning that both a capital D and a lowercase d are used as short forms for density とあるので B。

Q2. Why did the worker read the card as one word?

1. AThe card was written in French.
2. BHeadwords were typed with spaces between the letters.
3. CThe chemistry editor asked for a new word.
4. DThe letters were too small to read.

the letters of a headword were typed with spaces between them, so ... thought the space ... was simply missing とあるので B。

Q3. What can we guess from the passage?

1. AFixing a mistake in a printed dictionary could take a long time.
2. BNobody read the dictionary after 1934.
3. C"Dord" is still used by scientists today.
4. DThe chemistry editor made the mistake on purpose.

1939年に気づいたのに、完全な削除は1947年だった（was not fully removed until 1947）ことから、修正に長い時間がかかったと推測できるので A。

Q1. Why did the worker mark all four letters as one headword?

1. ABecause the chemistry editor wanted a new word for density
2. BBecause headwords were typed with spaces, so a missing space seemed likely
3. CBecause the pronunciation editor told him to
4. DBecause the word appeared in many books

Because staff typed headwords with spaces between the letters ... assumed one space had been left out とあるので B。

Q2. According to the passage, what happened after the error was found in 1939?

1. AIt was fixed in the very next printing.
2. BThe dictionary was taken off the market.
3. CThe correction was not made until 1947, after a second request.
4. DThe word was given a new meaning.

the fix only appeared in 1947, after a second request とあるので C。

Q3. Which statement best matches Merriam-Webster's view of dord?

1. AIt is one of hundreds of fake words in its dictionaries.
2. BIt is a useful scientific term.
3. CIt is the only ghost word in its dictionaries, because real entries need published evidence.
4. DIt was added on purpose to catch copycats.

the only "ghost word" in its dictionaries と、every word ... must be backed by evidence from edited, published writing から C。