Part 1. Definition
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).
Part 2. Example
Paragraph: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
 Question: John's town used to have lots of water, back when there were only a few hundred people. However, now that the town holds several thousand people, the water availability is 
 Choices: A)scarce 
B)plentiful
Answer: scarce
Explanation: Based on the information given in the paragraph, population growth will make water more scarce, so that is the correct answer.
Part 3. Exercise
Paragraph: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
 Question: You can find tables that show the pH value of different fruits and vegetables. The fruits such as oranges are very acidic so they have a pH value that is 
 Choices: A)higher 
B)lower
Answer:
lower