TOEFL ITP Galaxies

The word 'major' in line 1 is closest in meaning to

• intense

• principal

• huge

• unique

What does the second paragraph mainly discuss?

• The Milky Way

• Major categories of galaxies

• How elliptical galaxies are formed

• Differences between irregular and spiral galaxies

The word 'which' in line 7 refers to

• dust

• gas

• pattern

• galaxy

According to the passage, new stars are formed in spiral galaxies due to

• an explosion of gas

• the compression of gas and dust

• the combining of old stars

• strong radio emissions

The word 'symmetrical' in line 9 is closest in meaning to

• proportionally balanced

• commonly seen

• typically large

• steadily growing

The word 'obvious' in line 9 is closest in meaning to

• discovered

• apparent

• understood

• simplistic

According to the passage, which of the following is NOT true of elliptical galaxies?

• They are the largest galaxies

• They mostly contain old stars

• They contain a high amount of interstellar gas

• They have spherical shape

Which of the following characteristics of radio galaxies is mentioned in the passage?

• They are a type of elliptical galaxy

• They are usually too small to be seen with a telescope

• They are closely related to irregular galaxies

• They are not as bright as spiral galaxies

What percentage of galaxies is irregular?

• 10%

• 25%

• 50%

• 75%

The word 'they' in line 18 refers to

• intervals

• yardsticks

• distances

• galaxies