詞匯選項(xiàng)
When Nick Holonyak set out to create a new kind of visible lighting using semiconductor alloys， his colleagues thought he was unrealistic. Today， his discovery of light-emitting diodes， or LEDs， are used in everything from DVDs to alarm clocks to airports.
Q： Holonyak‘s colleagues thought he would fail in his research on LEDs at the time when he started it.
A.Right
B.Wrong
C.Not mentioned
【正確答案】 A
【答案解析】 短文第一句就說到：當(dāng)Nick著手用半導(dǎo)體合金創(chuàng)造一種新的可視照明設(shè)備的時(shí)候，同事們都認(rèn)為他不現(xiàn)實(shí)。所以本句的論述是正確的。