采区变电所应使用什么通风方式？
参考答案：采区变电所应使用独立通风。
已知：线段AB=10cm，点C为AB的黄金分割点，则较短线段AC=______（结果保留根号）
I hear that Mrs. Lin has been ________ with the translation of a French novel these months.
A．seized
B．devoted
C．attracted
D．occupied
