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-For each question, complete the second sentence so that it means the same as first. Use no more than three word. Write only the missing words on your answer sheet.
1.Sir John Randall and DR. H.A. Boot inveted a device called magnetron to produce microwaves in their lab.
A device called magnetron ______________ by Sir Jhon Randall and Dr. H.A. Boot.
2. cooking food was not exactly part of their interest.
They ____________ in cooking after all.
3. In 1946, Dr. Percy Spencer needed to test his theory that the magnetron was cooking his food.
It_____________ to test Dr. Percy Spencer's theory about the magnetron cooking his food.
4. He placed a bag of popcorn in front of the magnetron tube to test his theory.
A bag of popcorn___________________ in front of the magnetron tube to test the theory.
5. Since then, people have cooked using microwave ovens.
Microwave ovens _____________ by people to cook food since then
1.Sir John Randall and DR. H.A. Boot inveted a device called magnetron to produce microwaves in their lab.
A device called magnetron ______________ by Sir Jhon Randall and Dr. H.A. Boot.
2. cooking food was not exactly part of their interest.
They ____________ in cooking after all.
3. In 1946, Dr. Percy Spencer needed to test his theory that the magnetron was cooking his food.
It_____________ to test Dr. Percy Spencer's theory about the magnetron cooking his food.
4. He placed a bag of popcorn in front of the magnetron tube to test his theory.
A bag of popcorn___________________ in front of the magnetron tube to test the theory.
5. Since then, people have cooked using microwave ovens.
Microwave ovens _____________ by people to cook food since then
1 Respuesta
Respuesta de dianabcn
1
1.Was invented
2.Were not interested
3.Was necessary
4.Was placed
5.Have been used/are being used una de estas 2 variantes para el punto 5
Suerte
Diana
2.Were not interested
3.Was necessary
4.Was placed
5.Have been used/are being used una de estas 2 variantes para el punto 5
Suerte
Diana
