着装是女性在商务谈判中遇到的首要问题。女性在春秋季节应以（）为佳。
参考答案：西装或西装套裙
---You were brave enough to raise objections at the meeting.
---Well, now I regret ____ that.
A. to do b. to be doing C. to have done D. having done
富营养化是一种氮、磷等植物营养物质含量过多所引起的水质污染现象。（）
A.对
B.错
