在备战考研英语的过程中，高频词汇的掌握至关重要。以下是根据考研英语高频词2000整理出的部分词汇及其用法：
1. abandon（v. 放弃，丢弃）：The company finally decided to abandon the project.
2. accelerate（v. 加速，促进）：The technology has accelerated the development of the industry.
3. affordable（adj. 负担得起的）：The new car model is affordable for most consumers.
4. benefit（n./v. 利益，好处；有益于）：Exercising regularly can benefit your health.
5. challenge（n./v. 挑战，考验）：He accepted the challenge of running a marathon.
6. contribute（v. 贡献，捐献）：Many volunteers contributed to the success of the event.
7. decisive（adj. 决定性的）：The final decision was a decisive factor in the outcome.
8. determine（v. 决定，确定）：The weather determined our plans for the weekend.
9. efficient（adj. 高效的）：The new software is more efficient than the old one.
10. impact（n./v. 影响，冲击）：The policy has a significant impact on the economy.
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