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

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• Nara hardly never misses an opportunity to play the tournaments

• Pictures of the of the planet Venus was received yesterday from the space probe “Explorer”, which was launched last yea

• Despite of rain or snow, there are always more than fifty thousand fans at the OS football games.

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• Your brother used to work as an astronaut, ............................? 

• Some studies show that young babies prefer the smell milk to those of other liquids

• One of the most fficult questions in defining sleep is “What are the functions of sleep?”

• He never goes home before he will finish his work

• For thousands of years, people have used some kind of refrigeration cooling everages and preserve edibles

• Ocean currents that help transfer heat from the equator to the poles, thereby creating a more balancedglobal environment.

• In the 1970’s consumer activities succeeded promoting laws that set safety tandards for automobiles, children’s clothing, and a widely range of household products.

• Both Mr. and Mrs. Smith are explaining the children the rules the game.

• Because it is a healthy way to exercise, aerobic dancing is considered as an excellent method for releasing tension

• The modern American dictionary is typically a single compact volume published a modest price.

• At the awards banquet, the philanthropist was recognized for his genero and careful in aiding the poor.

• Choose the correct answer to complete the sentence. "Some of the young homeless may sleep _______ in the open in such places as the "cardboard city”"

• Under any circumstan will late arrivals be admitted to the theatre before the interval.

• ............. extremely bad weather in the mountains, we are no longer considering our skiing trip.

• The vase has the same design, but it different shaped from that one

• Choose the correct answer to complete the sentence. "People with______ always need to be looked after."

• Because not food is as nutritious for a baby as its mother’s milk, many women are returning practice of breast feeding