【单选题】Why people are suggested to work with one headhunter?
A.
If you are submitted by more than one firm, there is a chance that the two headhunters will get into a tug-of-war, arguing with the client company over who should be allowed to represent you.
B.
If you’re working with a recruiter and a similar role comes up that matches your job preferences, they may submit you and let you know afterwards.
C.
One problem that can arise when working with multiple recruiters is overlap with candidates, especially when the talent pool is limited, such as for a niche.
【简答题】Cyano complexes of transition metal ions such as Fe2+ and Cu2+ are often yellow in color while aquo complexes are often green or blue.How to explain this difference in color?