Hai dây dẫn thẳng, song song, dây 1 được giữ cố định, dây 2 có thể dịch chuyển. Dây 2 sẽ dịch chuyển về phía dây 1 khi

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the word that has the underlined part pronounced differently from the rest:

  good                  took                  food                     wool

• Choose the word that has the underlined part pronounced differently from the rest:

  charity                technology                      achievement                    cheese

• Choose a word that has different stress pattern:

  expand                    require                   attract                  argue

• Choose a word that has different stress pattern:

  conical                    commitment                     general                       compliment

• Choose a word that has different stress pattern:

  minority                  biologist                     intervention                  compulsory

• Choose a word that has different stress pattern:

  secondary              marvellously                      kindergarten                  diagnostic

• Choose a word that has different stress pattern:

  hamburger                  substantial                        determine                    prediction

• Choose the best answer for the following sentence:

  By September John ______________ enough to buy a mountain bike.
  
  

• Choose the best answer for the following sentence:

  Michael can’t stand _____________ fun of.
  
  

• Choose the best answer for the following sentence:

  Phong hopes to go to ______________ university next year.