下列不是腺垂体功能减退症病因的是（）。
A.垂体瘤
B.垂体缺血坏死
C.蝶鞍区手术、放疗和创伤
D.下丘脑病变
E.脑动脉硬化
参考答案：E
—Excuse me. Could you help me carry the heavy box?
—_______.[ ]
A. Yes, I could.
B. It doesn't matter.
C. With pleasure.
D. Don't mention it.
二氧化硅膜在集成电路中有哪些用途？
