某发电厂2008年7月1日同时投运二台机组，则该厂2008年主变压器的统计台年是（）台/年。
A、1
B、1.5
C、2
D、0.5
参考答案：A
Tom thought too much about _______. [ ]
A. which I had said
B. what I had said
C. that I had said
D. I had said
化学工艺学的目的是什么？
