An electromagnet will remain magnetized only as longer as electricity flows through it

Câu hỏi liên quan

• He has got several hundred bottles of wine which he keeps in the cellar below his house.

• Every year, thousands of tourists visit ……... Nile River.

• Harry lastly appeared in the role of King Lear at the National Theatre

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• I miss my old motorbike, I wish I ____ it. I had it for years. 

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

• If I had known that you couldn’t eat eel, I ____ bought it. 

• One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

  Unless we leave a bowl of water under the sun, it will evaporate. 

• Villagers are hoping for raining this month after nearly a year of dry weather

• Choose the correct answer to complete the sentence. "Global warming occurs ______ the greenhouse gases in the atmosphere trapthe heat from the sun."

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

•  I'm on night duty. When you go to ..............bed, I go to ............ work. 

• Two experiments were completed in like fashion, but the results of the experiments were not at all like.

• In the United States, about 75 percent of the total tomatoes crop is processed into juice, caned tomatoes, sauces, pastes, and ketchup.

• Many poets enhance their work by creating a contrast among realism and symbolism in a given poem

• Please don’t parking in those spaces that have signs reserving them for the handicapped

• American pioneers did water systems from logs with holes bored through their centers

• The duty of the police is the maintains of the law and order.

• In the early twentieth century, there was considerable interesting  among sociologists in the fact that in the United States the family was losing its traditional roles.

• Choose the correct answer to complete the sentence. "_____ clear evidence, your company couldn't deny having dump a large quantity of toxins into the sea"

• My daughter is learning to play..................violin at .................. school.