Thomas Edison (43) .... two thousand different materials in search of a proper filament for the light (44) .... His assistant complained, "All our work is useless." Edison replied (45) ..., " Oh we have come a long way and we have learned a lot. We know that there are two thousand elements which we cannot use to make a good light bulb."
Mahasiswa/Alumni Universitas Pendidikan Indonesia
Kata tried atau “mencoba” adalah kata yang tepat untuk melengkapi kalimat rumpang tersebut. Jawaban A salah karena berarti “membawa”. Jawaban C salah karena bermakna “bermain”. Jawaban D salah karena artinya “menunjukkan”.
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In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invent...
Thomas Edison (43) .... two thousand different materials in search of a proper filament for the light (44) .... His assistant complained, "All our work is useless." Edison replied (45) ..., " Oh we ha...
Helen Adams Keller was born as a healthy child on June 27th, 1880, to Captain Arthur H. and Kate Adams Keller of Tuscumbia. At the tender age of 19 months, she was stricken with a severe illness which...
Walter Elias Disney (December 5, 1901 December 15, 1966) was an American animated film producer and animator. He was also the creator of an American based theme park called Disneyland, and the founder...
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