16Hit1600
Expression of IdeasEasyPresenting a person's achievement

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - Jocelyn Bell Burnell (born 1943) is an astrophysicist from Northern Ireland. - As a postgraduate student in 1967 she noticed an unusual regular signal in radio telescope data. - The signal turned out to come from a pulsar, a rapidly spinning neutron star. - It was the first pulsar ever detected.

The student wants to emphasise Bell Burnell's discovery. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. In 1967, as a postgraduate student, Jocelyn Bell Burnell noticed a regular signal in radio telescope data that proved to be the first pulsar ever detected.Correct
  2. B. Jocelyn Bell Burnell was born in 1943.
  3. C. A pulsar is a spinning neutron star.
  4. D. Radio telescopes collect data.

Answer: A. In 1967, as a postgraduate student, Jocelyn Bell Burnell noticed a regular signal in radio telescope data that proved to be the first pulsar ever detected.

Who, when, what she noticed, and what it was.

Why the other answers are wrong

B. Jocelyn Bell Burnell was born in 1943.
A date only.
C. A pulsar is a spinning neutron star.
A definition without the discovery.
D. Radio telescopes collect data.
A generality.

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