a•(a+b)=a2+a•b=22+2×1×cos120°=3．
故选C．
用所给词的适当形式填空。
1. There are a few _______________ (tomato) in the bowl.
2. _______________ (not run) in the street!
3. Let's _______________ (sit) here and _______________ (watch) TV.
4. The boy is _______________ (put) his books on the bookshelf.
5. The conductor _______________ (check) the tickets just now.
6. You should _______________ (mix) up flour, eggs and water to make bread.
问题：请根据此案件分析民事诉讼法中法院调解与判决的关系。
