在19年的英语四级考试中，考生们经历了充满挑战的词汇、阅读理解、写作和听力四个环节。以下是部分科目的参考答案：
词汇部分：
1. 答案：diligent
2. 答案：intimidate
3. 答案：intrinsic
4. 答案：vulnerable
阅读理解部分：
第一篇阅读：
1. 答案：C
2. 答案：A
3. 答案：D
4. 答案：B
第二篇阅读：
1. 答案：C
2. 答案：B
3. 答案：A
4. 答案：D
写作部分：
题目：How to Spend Your Spare Time
正文：
As we all know, everyone has some spare time in their daily life. It is important to make good use of this time to relax and recharge. In my opinion, there are several ways to spend your spare time effectively.
Firstly, you can read books or articles related to your major or hobbies. This not only helps you to enrich your knowledge but also relaxes your mind. Secondly, you can engage in physical exercise, such as going to the gym, playing sports, or simply taking a walk. Physical exercise is beneficial to both your physical and mental health. Finally, you can spend time with your friends or family, which can help you reduce stress and build stronger relationships.
In conclusion, making good use of your spare time is crucial for maintaining a healthy and balanced lifestyle. So, next time when you have some free time, remember to choose an activity that suits you best.
听力部分：
由于听力部分的答案依赖于具体对话或独白内容，这里无法给出具体的答案。
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