Answer Key
Are the following statements correct?
1. The toothbrush is very important, but the car is more important than that for American people.That is incorrect. Correct is: The toothbrush is the most important invention.
2. The toothbrush is a European invention.That is incorrect. Correct is: It's a Chinese invention.
3. Simple things are sometimes more important than the complicated ones.That is correct.
4. Lemelson-MIT index shows importance of inventions to people.That is correct.
5. Dr Price says the Dental Floss is as important as the toothbrush.That is correct.
6. Most people think that solar-power cars will replace gas-power cars.That is incorrect. Correct is: Only 1/3 of people think that.
7. Many people think that there will be a cure against cancer soon.That is correct.
8. For Dr Richard Price the result of the survey is surprising.That is incorrect. Correct is: He says you always have your teeth with you.
9. Many families often had only one toothbrush because it was too expensive.That is correct.
10. Clean teeth are very important for American people.That is correct.