Question

c. vocabulary preview
match up as many words and meanings as you can.
check this exercise again after seeing the words in context on page 3.

1. crucial a) to work a muscle or organ too hard
2. strain b) for an extended period, for too long
3. prolonged c) strong and dangerous
4. aging d) very important
5. harsh e) glasses that protect the eyes from brightness
6. shades f) to bring back light
7. goggles g) related to getting older
8. reflect h) an eye doctor
9. focus i) eye protection from water, snow, or debris
10. detection j) to direct attention on something specific
11. optometrist k) the finding of a specific detail or problem

Explanation:

1. "strain" means to overwork a muscle/organ, so 2 - a.
2. "prolonged" means extended in time, so 3 - b.
3. "aging" is about getting older, so 4 - g.
4. "harsh" means strong/dangerous, so 5 - c.
5. "shades" are eye - protecting glasses from brightness, so 6 - e.
6. "goggles" protect eyes from water/snow/debris, so 7 - i.
7. "reflect" means to bring back light, so 8 - f.
8. "focus" means to direct attention, so 9 - j.
9. "detection" is finding a detail/problem, so 10 - k.
10. "optometrist" is an eye doctor, so 11 - h.

Answer:

1. a) to work a muscle or organ too hard
2. b) for an extended period, for too long
3. g) related to getting older
4. c) strong and dangerous
5. e) glasses that protect the eyes from brightness
6. i) eye protection from water, snow, or debris
7. f) to bring back light
8. j) to direct attention on something specific
9. k) the finding of a specific detail or problem
10. h) an eye doctor