单项选择题
Passage Three
A..There is no space to put in solar units. B. It is decided by Mother Nature. C. It is not the right time to use it. D. It costs too much to use it.
A. parents are in pursuit of personal attention B. the recession has had a profound effect on education C. the educational mission has been changed D. public school enrollment has grown unexpectedly
A. Lower the student’s grade. B. Reconsider the student’s position later. C. Allow the student to miss class. D. Suggest the student reschedule the surgery.