题目

People always feel headache about academic writing.Jennifer Ahern-Dodson provides some suggestions with some students and teachers.She asks about their earlier writing experiences.Were they negative or positive?She advises that you are not alone if you have had problems with your writing.She says everyone struggles with writing. “Writing is hard.All writers struggle at some point.And even if writing has come easily for you,at some point in your work as a student,that eventually you’re going to hit a roadblock.So it’s really important to take a moment to think about their past writ假设地球公转时，地轴不是倾斜的，下面现象仍然可能产生的是（　　）A．同一地方，一年有四季的变化B．同一地方有昼夜交替现象C．不同地方得到太阳的热量是一致的D．同一地方昼夜长短的时间是变化的