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阅读下面短文,在空格处填入适当的内容(1个单词)或括号内单词的正确形式。

Does a 16-year-old have the ability to change the world, 1.(benefit) hundreds of thousands of people?

Olivia should believe so. With her invention of a new Ebola detection test, 2.16-year-old American girl has become the winner of the 2015 Google Science Fair, a yearly competition for teenagers who want to make a 3. (different) to the world.

Olivia’s method asks patients to put sample of 4. saliva (唾液) onto a testing card. The card changes color if the person is infected with Ebola. Olivia started working on the test one year ago when she saw that Ebola was spreading across Africa. Her research 5.(base) on looking at and using previous research and her own creative ideas.

“She deserves all the praise she’s getting for her hard work, devotion 6.intelligence,” said her science teacher. “Her project is 7. (extreme) helpful for the medical diagnoses that we need in parts of the world 8. Ebola is most common.”

Olivia had always dreamed 9. doing something to make the world’s future even 10. (bright). She hoped to become a physician some day and work with an organization like Doctors Without Borders, a non-profit international organization that helps people around the world.

高三英语七选五中等难度题

少年,再来一题如何?
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