北京化工大学的考研英语考试通常包含阅读理解、完形填空、翻译等题型，主要测试学生的英语综合运用能力。以下是一些考研英语的练习题及其答案解析，供您参考：
2023年北京化工大学考研英语练习题100道（部分）
【单选题】So far this year we ______ a fall in house prices by between 5 and 10 percent.
A. saw
B. see
C. had seen
D. have seen
正确答案：D. have seen
答案解析：考查时态。根据句中的so far可知，本句应该用现在完成时态。
【单选题】Readers are required to [comply with] the rules of the library and mind their manners.
A. evaluate
B. memorize
C. protect
D. observe
正确答案：D. observe
答案解析：[comply with] 服从，遵从。observe 遵守，奉行。
【单选题】On the other hand, more people working for longer would create greater competition for jobs. It would make it more difficult for younger people to find a job. Top posts would be dominated by the same few individuals, making career progress more [difficult/competitive]
正确答案：[difficult/competitive](请根据上下文选择正确的词)
答案解析：（请根据上下文选择正确的词）
2022年北京化工大学考研英语练习题100道（部分）
【单选题】My teacher had been with me several weeks before I understood that everything has a name.
答案解析：（请根据上下文选择正确的答案）
注意事项
请注意，以上提供的练习题和答案解析仅供参考，实际考试内容可能会有所不同。
考研英语的备考应着重于提高阅读理解能力、词汇量、语法掌握和写作技巧。
建议考生多进行模拟练习，并结合真题进行复习。