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

Câu hỏi liên quan

• Choose the best answer:

  Nobody seemed .......... where the key was.

• Identify the error in each sentence: It is important that you turned off the heater every morning before you leave for class

• In the sixteenth century, Francois Vieta, a American mathematician, used the vowels “a”, “b”, “c”, “d”, “e” to represent a unknown number.

ZUNIA12

•  Media reports on the outcome of military intervention often................. the true facts.

• Choose the best answer:

  Before starting ............... for this company, I spent a year .....................    

• Whole villages have been ________ by the floods.

• Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

   

  As the plane went more faster down the runway, David began to sweat nervously.

   

• The novel was set ________ a small village in France

• The purpose of phonetics is ____ an inventory and a description of the sounds found in speech.

• One tenth of _____ thousand is _______ hundred. 

• We had planned to go to the movies, but, because of the amount of work I had, I spent the evening to study.

• Identify the error in each sentence: 

  The General Certificate of Secondary Education (GCSE) is the name of a set of English qualifications, generally taking by secondary students at the age of 15-16 in England

• He always tried to do everything ________ .

• It is believed that the more frequent you exercises, the greatest physical endurance you will have.

• Some critics have called Theodore Dreiser’s book Sister Carrie a first modern novel because it broke so many traditions.

• A new TV ShOW has sparked  ...........  by showing the positive side of dropping out of college.

• The geology professor showed us a sample about volcanic rock which dated back seven hundred years.

• Jasmine is _______ most diligent of the five. 

• If the water level has raised a little higher, the dam would probably have broken.

• Like everyone else, Sue has her ............... of course but on the whole, she's quite satisfied with life.