挑战习题
1/5单选题
难度:

1.

下列物质中,能用来做半导体材料的是


A

B

C

D

提示1:
PHA+56GF55qE5a+855S15oCn5LuL5LqO5a+85L2T5ZKM57ud57yY5L2T5LmL6Ze044CCPC9wPg==
正确答案:Qw==
PHA+56GF55qE5a+855S15oCn5LuL5LqO5a+85L2T5ZKM57ud57yY5L2T5LmL6Ze077yM5piv6Imv5aW955qE5Y2K5a+85L2T5p2Q5paZ44CC5pWF6YCJQ+OAgjwvcD4=