The key to exercise solutions in chapter Reading 3 for the textbook Roadmap B1+ - Workbook with authors Anna Osborn and Rebecca Adlard from Pearson Education
Question
Read the article again and answer the questions about each scientist.
Answer
He discovered a new test for a particular type of cancer cell.
15 years old
Because it's less expensive and more likely to find the cancer cells than any other test which have been used.
At the Intel International Science and Engineering Fair
She discovered a fuel using the plants that grow in ponds.
17 years old
Because it shows how in the future plants could be used as fuel instead of oil or gas.