题目

I’m sorry I can’t play soccer with you this afternoon. I have _______ homework to do． A. too many           B. too much               C. much too                        D. many too 答案：B   too many“太多”，修饰可数名词复数；  too much“太多”，修饰不可数名词； much too“太”，修饰形容词或副词；没有many too用法，排除D项。由空格后的不可数名词homework可知应选B。已知f（x+1）=2x2+1，则f（x）=    ．