Este no, đơn chức, mạch hở có công thức phân tử chung là:         

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  authority              disadvantage                photographer              relationship

• Choose a word that has different stress pattern:

  combination          satisfaction              transportation             necessary

• Choose the best answer for the following sentence:

  When I last saw him, he ______________ in London.
  
  

• Choose the best answer for the following sentence:

  The train ________________ half an hour ago.
   

• Choose the best answer for the following sentence:

  Jack ______________ the door.
  
  

• Choose the best answer for the following sentence:

  My sister _________________ for you since yesterday.
  
  

• Choose the best answer for the following sentence:

  I _______________ Texas State University now.
   

• Choose the best answer for the following sentence:

  He has been selling motorbikes _______________ .
  
  

• Choose the best answer for the following sentence:

  Christopher Columbus _______________ America more than 500 years ago.
  
  

• Choose the best answer for the following sentence:

  He fell down when he ________________ towards the church.