TOEFL Reading Comprehension 3

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

PASSAGE 3

14. The word "they" in line 3 refers to ....

0 points

Antioxidants

Substances

Fruits and Vegetables

Diseases

Clear selection

15. What causes the oxidation process?

0 points

The breakdown of substances

Free radicals

Diseases

The disruption of healthy cells

Clear selection

16. When do normal molecules become free radicals?

0 points

When they lose their own electrones

When the immune system attacks viruses and bacteria

When a person become stressed

When healthy cells are damaged

Clear selection

17. What do free radicals do to become stable?

0 points

They steal electrons from other molecules

They block the action of stable molecules

They create antioxidants from other molecules

They neutralize the body's immune system

Clear selection

18. The word "disruption" in line 10 refers to ....

0 points

Formation

Decrease

Multiplication

Disturbance

Clear selection

19. Where in the passage does the author mention the factors that can speed up the production of free radicals?

0 points

Lines 6-7

Lines 10-11

Lines 16-17

Lines 20-22

Clear selection

20. Where can antioxidant be found?

0 points

In free radicals

In normal molecules

In fresh fruits and vegetables

In cells' electrons

Clear selection

21. The word "ingested" in line 26 is closest in meaning to ....

0 points

Eaten

Created

Substituted

Activated

Clear selection

Submit

Clear form

Forms

This content is neither created nor endorsed by Google.