When scientists discovered how soap works, it became possible to do synthetic deter out of Petroleum.

Câu hỏi liên quan

• The government’s budget maybe considered balance when the amount of money it spends does exceed the amount it receives

• When I back, I realized that my camera had been disappeared

• As the numeral of older people increases, services for the elderly will soon repre one of the fastest-growing areas  of employment

ZUNIA12

• In 1984, the world population rose to over 4.7 billion, almost 85 million from an estimate made the year ago.

• When you ____ Bob, tell him he still owes me some money. 

• Floods, earth and other natural disaster happen all over the world, causing death and material damage

• It has been reported that during twenty-four hour period, a minimal of three hundred North American women start their own businesses.

• Choose the letter A, B, C or D to complete the sentences. "I and Vu decided ________ on a ecotourism tour this summer."

• Keep trying to  English. Don’t give up. Eventually, you will succeed, even though you may not know how much time it will cost

• Choose A, B,C or D on your answer sheet to indicate the underlined part that  needs correction in each of the following questions:

  You should practise English oftener to be a better speaker of English

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

• This time last year, I was cycling unde rain along a country road in France with a friend of mine 

• Tea did not become popular in Europe the mid 17th century when it has been first imported to England and Holland

• There are many ways to preserve fruit, for example freez, canning and to dry

• When the Panic of 1857, some us citizens who had been rich or comfortable became poor while a few others, capitalizing economic shifts, became richer.

• The native people the Americans are called Indians because when Columbus landed in the Bahamas in 1492, he thought that he has reached East Indies

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

• The geology professor showed us a sample about volcanic rock which dated back hundred years.

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

• Southern California, is known for its mild winters, has become the new home for many senio citizens escaping the Northern winters