Nếu quan niệm ánh sáng chỉ có tính chất sóng thì không thể giải thích được hiện tượng nào dưới đây?

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the correct sentence which is built from the words and phrases given:

  Teachers’ Day / come / our school / a variety show / express the gratitude / love / our teachers
  
  

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

  marathon             enthusiastic                 ethnic                 smoothly

• Choose the correct sentence which is built from the words and phrases given:

  The tenth graders / help / decorate the stage / the eleventh graders / be in charge of / distribute tickets / the twelfth graders / keep public security
  
  

• Choose a word that has different stress pattern:

  marathon                 maximum                  formally           effective

• Choose the correct sentence which is built from the words and phrases given:

  Each class / prepare / a performance / the dress rehearsal hold / next Sunday morning
  
  

• Choose a word that has different stress pattern:

  patter                  spirit                 announce             survery

• Choose the correct sentence which is built from the words and phrases given:

  There / be / lot / traffic / but / we / manage / get / airport / time
  
  

• Choose a word that has different stress pattern:

  patter                  spirit                 announce             survey

• Choose a word that has different stress pattern:

  disappointed                  activity                  eradicate           unselfishness

• Choose a word that has different stress pattern:

  representative                disadvantaged                 anniversary               enthusiastic