2016-07-18 08:36 自考365
单选题
[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