In the sixteenth century, Francois Vieta, a French mathematician, used the vowels “a”, “e”, “i”, “o”, “u” to represent a unknown number.

Câu hỏi liên quan

• Choose the best option A, B, C or D to make meaningful sentence:  "My girlfriend _______ goes to the cinema."

• Until Hollywood invented him, Leonardo DiCaprio was practically unknown.

• Had we known the traffic would be so bad, we did not drive back from work so early.

ZUNIA12

• Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

  Her illness is ................. than we thought at first.

• The camp on the inhospitable, mosquito-infested banks of the River Sekonyer, was set up to track the primates and learn from their habitat, diet and behavior.

• Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

  Food in Northern Vietnam is not as ______ as that in Central and Southern Vietnam, as black pepper is often used rather than chilies.

• Choose the best word or phrase to complete the following sentences:

  I’m feeling pretty tired. Do you mind _________ me home?

• She must retyping the report before she hands it in to the director of financing.

• The majestic Rocky Mountains stretch each the way from Mexico to the Arctic

• The silly, whiny conversation on a child level was meant to create tension and heighten Nancy’s fears and anxiety.

• Choose the best answer:
  If you come to the theatre late, you have to wait until the ______ to get in.

• Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence: 

  _________ I was really tired, I couldn’t sleep.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  These old houses are going to be_________ soon.

• The diary it was kept secret until the end of the war in fear of reprisals by the occupying army.

• She doesn’t think that men are ________ leaders than women.

• I thought this book was rather dull at the first, but I’ve changed my mind.

• Many scientists contributed to the development of television, whether no one can be said to have invented it.

• One inventor that Thomas Edison can take credit for is the light bulb.

• _____ against women and girls should be eliminated when government and people co-operate.

• Choose the best answer:

  I prefer ___________ abroad to travelling within the country.