In its pure State, aluminum is a weak metal, but when combined with elements such as copper or magnesium, it is formed alloys of great strength.

Câu hỏi liên quan

• He has less friends in his class now than he had last year.

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

  Nick: “ Which places in our country do visitors enjoy visiting the most?”

• If  a glass lizard loses its tails, a new one grows to replace it.

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• I found it difficult convincing the ticket inspector that I had lost my ticket, but he believed me in the end.

• Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.

• Carrie Chapman Call organized the League of Women Votes after successfully campaign for the constitutional amendment that gave women the right to vote.

• Some snakes have hollow teeth are called fangs that they use to poison their victims.

• An escalator is a moving stairway that transporting people from one point to another by means of linked threads.

•  His idea contributes a lot ________ our project.

• Without alphabetical order, dictionaries would be impossibility to use.

• The Carbon atoms of the diamond are so strongly bonded that a diamond can only be scratched with other diamond.

• This exit door can __________ in case of emergency.

• Those of us who have a family history of heart disease should make yearly appointments with their doctors

• Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  It is a good idea to be_________ dressed when you go for an interview.

• The surface of the planet Venus is almost completely hid by the thick clouds that shroud it

• Choose the best answer:

  A: ________________________________

  B: The Pacific Ocean.

• Choose the best option to complete the following sentences:

  Lan used to (play)_____________ with toys when she (be)_____________ three.

• Choose the best answer: 
  Technological advancements have turned AI and robotics from science fiction to.............. .

• Every year, tornadoes cause a lot of damages to property and a tremendous loss of human and animal life.