e.
A.Right B.Wrong C.Not mentioned
5. Holonyak said that you should not do anything you are not interested in.
A.Right B.Wrong C.Not mentioned
6. Edith Flanigen is the only co- inventor of LEDs.
A.Right B.Wrong C.Not mentioned
7. The Lemelson-MIT Prize has a history of over 100 years.
A.Right B.Wrong C.Not mentioned
答案:1.A 2.C 3.B 4.A 5.C 6.C 7.B