Câu hỏi :

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct  answer to each of the following questions                               

A. one of the most important properties of metals 

B. one of the key properties of most solid materials 

C. impossible for any substance when it is dissolved in water 

D. completely impossible for silicon

* Đáp án

* Hướng dẫn giải

Đáp án : A

Ngay dòng đầu tiên: The ability to conduct electricity is one of the key properties of a metal

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