instruction:
You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
question:
Paragraph: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.
Question: Jon was jogging, and quickening his pace. His heart is beating _____.
Choices: A)more
B)less
answer:
more

question:
Paragraph: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.
Question: Jeff cooled the pot of boiling water. What happens to the dissolved oxygen contained within the water?
Choices: A)it increases
B)it decreases
answer:
it increases

question:
Paragraph: More recently, the death rate has fallen because of the availability of more food and medical advances.
Question: In modern times, there is better medicine. This means there is a _____ death rate.
Choices: A)lower
B)higher
answer:
lower