A water molecule consists of two hydrogen atoms and has one oxygen atom.

Câu hỏi liên quan

• Polio, one of a group of spinal inflammations, causes fever and paralysis often resulting in disabled and deformity.

• Mark the letter to indicate the correct answer.

  Lacquering is a unique-performed…………….in Viet Nam.

• Mark the letter A, B, C or D to indicate the correct response to each of the following exchanges

  Nam:“ Which gender, do you think works harder: male or female?”

  Lan: “___________”

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• Playing for the national team for the first time was an forgot experience for Hong Son

• Of the much factors that contributed to the growth of international tourism in the 1950s, one of the most important was the advent of jet travel in 1958

• Economists have tried to discourage the use of the phrase “underdeveloped nation” and encouraging the more accurate phrase “developing nation” in order to suggest an ongoing process.

• Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

  Is Ben Thanh Market a place of interests in Ho Chi Minh City?

•  Mrs. Lan lives here, ………?      

• Chọn phương án thích họp (A, B, c or D) đế hoàn thành yêu cầu của câu.

  “Can you come back later, Marry? David’s busy ____ his homework at the moment.”

• Of the two lectures, the first was by far the best, partly because t person who to delivered it had such a dynamic style.

• Identify the one underlined word or phrase - A, ​​ B, C or D - that mast be changed for the​​ sentence to be correct.

  Computers are​​ often used​​ to control,​​ adjustment,​​ and​​ correct​​ complex​​ industrial​​ operation.

• I don’t like the place .................... he lives.                 

• The children are playing .............in the schoolyard.

   

• The diary it was kept secret until the end of the war in fear of reprisals by the occupying army.

• Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

  ____________ sure that you follow the instructions carefully.

• Mark the letter to indicate the word whose underlined part needs correction.

  The beefsteak needs more sauce to tastier.

• Because of its vast tracts of virtually uninhabited northern forest, Canada has one of the lowest population density in the world.

• Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

  The neighbor of mine is a____________ smoker. He smokes 30 cigarettes a day.

• Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

  She was filling in the____________ form.

• Choose the correct answer to fill in the blank. 

  They avoid the usual tourist attractions in favour of places that are off the ______  track.