Option A1. Answer the following questions using your own words but taking into account the information in the text. (2 points: 1 point each)

a. Why do researchers think most microplastics come from clothes?

b. Do microplastics affect people's health?

Option B1. Answer the following questions using your own words but taking into account the information in the text. (2 points: 1 point each)

a. What would the benefits of medicine against age be?

b. Have there been efforts to stop getting old in history?

Option A2. Are the following statements true (T) or false (F)? Identify the part of the text that supports your answer by copying the exact passage on the answer sheet. (1.5 points: 0.5 each)

a. Plastic debris can be found in the deepest and the highest places on the globe.

b. The Atlantic contains fewer amounts of plastic fibres than the Pacific, although they are longer.

c. North America is solely responsible for Arctic plastic fibre pollution.

Option B2. Are the following statements true (T) or false (F)? (1.5 points: 0.5 each)

a. Steele accepts people's opinion that ageing is unavoidable.

b. Young mice had their lives extended in a study last year.

c. Treating ageing will probably be a fact in the next 10 years.

Option A3. Find a synonym for each of the four words below from these six options (underlined in the text): comprehensive, width, litter, injure, dominance, throughout. (1 point: 0.25 each)

a. damage b. complete c. waste d. thickness

Option B3. Find a synonym for each of the four words below from these six options (underlined in the text): disease, skeptical, countless, lengthy, thrilling, currently. (1 point: 0.25 each)

a. innumerable b. incredulous c. nowadays d. extensive

Option A4. Choose a, b, or c in each question below. Only one choice is correct. (1.5 points: 0.5 each)

1. In the polar region, most microplastics in sea water... a) are found in marine life. b) have the same width and colour. c) are made of polyester.

2. Our health might be in danger because... a) we have polluted the whole Earth. b) of the samples taken below the surface. c) of the width of fibres.

3. According to the new study, important amounts of microplastic fibres are driven towards... a) Europe and North America. b) the Arctic. c) Europe, North America and the Arctic.

Option B4. Choose a, b, or c in each question below. Only one choice is correct. (1.5 points: 0.5 each)

1. Anti-ageing medicine may make people live... a) longer without losing hair. b) longer and healthy. c) for thousands of years.

2. A study prolonged the life of mice... a) but their hair fell out. b) with no side-effects. c) only in 10% of them.

3. What Steele finds most exciting is the... a) rejuvenation of some organs. b) beginning of trials with humans. c) chance of immortality.

Option A5. How can we reduce microplastic pollution? (130 to 150 words approximately) (4 points)

Option B5. Do you think that today's diseases, for example cancer, will disappear in the near future? (130 to 150 words approximately) (4 points)