密押卷(6)
卷面总分:100分
试卷年份:2023.04
是否有答案:有
作答时间: 120分钟
LEDs used in traffic lights are developed by Holonyak's students.
- A、 True
- B、False
- C、Not Given
更多题目 请在 下方输入框 内输入要搜索的题目:
LEDs are more environmentally friendly than incandescent bulbs.
- A、True
- B、False
- C、Not Given
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
Holonyak said that you should not do anything you are not interested in.
- A、True
- B、False
- C、Not Given