a-Si太阳能电池是由形成（）和负极的二个导电层、作为活性部分的半导体层这三层基本结构构成的
参考答案：正极
— ________.
— I'm sorry. But I don't know why you are so angry with me. [ ]
A. It is a nightmare
B. I have had enough of you
C. That's a good point
D. I don't think much of you
行李中夹带的国家规定的禁运物品、危险物品，应交有关部门处理。（）
