在考研英语词汇冲刺阶段，以下是一些高频词汇及其最佳答案：
1. abandon：遗弃，放弃。例句：He abandoned his studies due to financial difficulties.
2. benefit：好处，利益。例句：Regular exercise can bring benefits to our health.
3. challenge：挑战。例句：The company challenges the new market with innovative products.
4. contribute：贡献，捐献。例句：He contributed a lot to the success of the project.
5. decisive：决定性的。例句：The final match was a decisive victory for our team.
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