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 bulb atau bohlam adalah kata yang tepat untuk kalimat di atas karena adanya petunjuk kata light atau “lampu”. Jawaban A salah karena artinya adalah “balon”. Jawaban B salah karena maknanya “kilat”. Sedangkan jawaban D salah karena maknanya adalah “gelas”.
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