给你一个包含多项选择题和填空题的试卷，请将填空题的空缺位置填上正确的单词或短语，以及对每个选择题的正确答案进行标注。


大学英语考试试卷
第一部分 选择题
1. What is the author's main purpose in writing the article? 
A. To explain why he supports a certain policy.
B. To describe the history of a particular region.
C. To provide examples of successful entrepreneurs.
D. To analyze the impact of a recent scientific discovery.
2. Which of the following is NOT an example of renewable energy?
A. Solar power
B. Wind power
C. Hydroelectric power
D. Nuclear power
第二部分 填空题
请用适当的单词或短语填空：
3. The __________ of the company is to provide high-quality products at an affordable price.
4. The new law has _________ many people to start using public transportation instead of driving their own cars.
1. A
2. D
3. mission/ goal/ objective
4. encouraged/ motivated