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

Câu hỏi liên quan

• Million of people lost their jobs in the 90’s. This, in turn, caused social dissatisfaction with the political leaders who had promised jobs and prosperity.

• Two experiments were completing in like fashion, but the results of the experimenat was not at all like.

• He had so a difficult exercise that he couldn’t do it.

ZUNIA12

• From the four words or phrases (A,B,C or D), choose the one that best completes the sentence.

  Exercising generally begins with standing up straight,  …….. slowly and then letting your breath out evenly.

   

• An important factor should be considered is Mr. Lopez’s ability to keep the new restaurant going for several months with limited revenue.

• From the four words or phrases (A,B,C or D), choose the one that best completes the sentence.

   We thought she was over the worst of her illness, but yesterday she had a ……..

• Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions.

  A. Incapable     B. Unselfish     C. Attraction     D. Humorous

• The Unita Mountains of north-eastern Utah are the only range of mountains in North America that runs from East and West for its entire length.

• Choose the best answer:

  Your hair needs .......... You’d better .......... it done tomorrow.

• I prefer living in a nuclear family than a joint one.

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

• Jame Dickey’s second poem was published during he was still a fresher in college.

• Every year, tornadoes cause a lot of damages to property and a tremendous loss of human and animal life.

• Vitamin E, which is found in nutritious foods such as green vegetables and whole grains, action as an antioxidant in cell membranes.

• A ________ is the story of a person's life written by somebody else.

   

• Marta being chosen as the most outstanding student of her campus made her parents very happy.

• The composer Verdi has written the opera Aida to celebrate the opening of the Suez Canal, but the opera was not performed until 1871 .

• When you are on duty, your uniform must_________ at all times.

•  _    will Nam be able to pass the exam.

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