Điểm M trên phương truyền sóng cách nguồn sóng O một đoạn bằng d dao động cùng pha với O khi:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  ___________ do you prefer, Chemistry or Physics?

• Choose the best answer for the following sentence:

  The air-hostess had known that you were ill,_______________ ?

• Choose the best answer for the following sentence:

  I wish you ___________ her why we didn’t do our homework.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  After he finished writing the letter he went to post it immediately.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Marie Curie was very poor, she had a little money to live on in Paris.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Last night, before going to bed all the students watched a very interesting film.

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

  Hillary Clinton / First Lady / the United States / 1993 / 20011 born / October 26, 1947 / Chicago, Illinois//.
  
  

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

  Hillary Clinton's father / successful businessman/ the textile industry / her mother / homemaker //
  
  

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

  As a child / she / participate / swimming / baseball / other sports / earn / many awards / public schools in Park Ridge //.
  
  

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

  She / get / married / Bill Clinton / October 11, 1975 / and /they / have / only one / daughter//.