2015-11-10 09:46 自考365
单选题
1.[阅读判断]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.True
B.False
C.Not Given
自考365
2022-01-16
自考365
2022-01-16
自考365
2022-01-16