Read the passage below carefully and choose the correct answer a, b, c, or d.
Elektron to Electric
The first discovery of electricity is over 2,600 years old. Does that surprise you? Of course, there were no lights, telephones, refrigerators, radios, motion pictures, or television sets that long ago. All of these modern conveniences are of such recent development that you might well wonder how electricity could be any older than Thomas Edison’s development of the first practical electric light bulb in 1879.
The word electricity comes from the Greek word meaning amber, which is elektron. The fossilized sap of a pine tree, amber looks much like a hard lump of honey. In 600 B.C., a Greek philosopher named Thales rubbed a piece of amber against his sleeve to shine it. Much to his interest, he found that the rubbed amber attracted small bits of lint, feathers, and dried leaves. This property of attraction was a strange characteristic which he thought only amber had. Today, our word electricity still goes back to Thales’ early discovery about amber.
More than two thousand years after Thales, an English physician discovered that other substances also had this characteristic of electricity. From then on, more and more men added to the knowledge of electricity. They set off the many developments and discoveries which have brought about the electrical era of today.
Which device was the first practical application of electricity?
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Lời giải:
Báo saiGiải thích: All of these modern conveniences are of such recent development that you might well wonder how electricity could be any older than Thomas Edison’s development of the first practical electric light bulb in 1879.
=> Tất cả những tiện nghi hiện đại này đều là sự phát triển gần đây đến nỗi bạn có thể tự hỏi làm thế nào mà điện có thể lâu đời hơn sự phát triển của Thomas Edison về bóng đèn điện thực tế đầu tiên vào năm 1879.
Tạm dịch: Thiết bị nào là ứng dụng thực tế đầu tiên của điện?
a. tủ lạnh
b. Radio
c. bóng đèn điện
d. điện thoại