Ten decibel, which is a unit of relative loud, is the biggest amount of change detected by the human ear.

Câu hỏi liên quan

• The girls were sorry to had missed the signers when they arrived at the airport.

• There has been an announcement from the Principal that the students will not hear the bell ________ this week as it has broken.

• Do you ever feel that life is not being fair to you because you cannot seem to get the job where you want or that really suits you?

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• Although Kate saw no link between the two crimes, but she thought that there was only one murder.

• Before she moved here, Arlane had been the president of the organization since four years.

• Identify the one underlined word A, B, C or D that must be changed for the sentence to be correct: 

  A prolific writer, even when he was teaching a number of classes, Harry Crews never achieving popularity among the masses.

• His cell phone makes an _     noise every time he gets a text message.

• Peter is working in an office. He’s a white ....... worker.

• All the staff in Tam’s film are expected to do some overtime, if the need rises.

• That lecturer, his name I have been forgotten, is very well-known.

• Research has proved that a baby can distinguish its mother’s voice the moment he is born.

• Choose the best answer:

  What are your ................... sports?

   

• Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

  Alcoholic beverages vary widely in content, ranging from only 2 or 3 percent for some light beers to as high to 60 percent for some vodkas and brandies.

   

• Of course an encyclopedia is not a book you read _________

• Identify the one underlined word A, B, C or D that must be changed for the sentence to be correct: 

  One characteristic of the poems of Emily Dickinson is the sharp of her images.

• Choose the best answer:

  ..................... early, I found her at home.

   

• Identify the error in each sentence: 

  There (A) are (B) many single mothers and single fathers (C) which are raising children by (D) themselves.

• She won the award for .............her whole life to looking after the poor.

• Identify the error in each sentence: 

  They worked (A) as receptionists (B) in this hotel since they graduated (C) from university in 2009 (D)

• Until recently, women were forbidden by law owning property.