Đối với cùng một hệ dao động thì ngoại lực trong dao động duy trì và trong dao động cưỡng bức cộng hưởng khác nhau là do

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  population                 organization                    international                    popularity

• Choose the best answer for the following sentence:

  ___________ the company offer the job, I’ll take it.
   

• Choose the best answer for the following sentence:

  Were I five centimetres taller, I _____________ for the job.
   

• Choose the best answer for the following sentence:

  If you ______________ breakfast, you wouldn’t be hungry now.
   

• Choose the best answer for the following sentence:

  Had I known that John wanted to get up early, I _________________ him up.
   

• Choose the best answer for the following sentence:

  The population of the world has been _______________ faster and faster.
   

• Choose one sentence that has the same meaning as the root one:

  I used my calculator; otherwise, I’d have taken longer.
  
  

• Choose one sentence that has the same meaning as the root one:

  If I were you, I would travel to Paris by train.
  
  

• Choose one sentence that has the same meaning as the root one:

  Had he listened to me, he wouldn’t have failed the driving test.
  
  

• Choose a word that has different stress pattern:

  longevity                    occasional                    preparation                  especially