题目

若f(x)=(x-1)4+4(x-1)3 +6(x-1)2 +4x-3，则f()的值为A.4                  B.4                   C.2               D. 答案：B  解析：f(x)=(x-1)4 +4(x-1)3 +6(x-1)2 +4(x-1)+1=(x-1+1)4=x4,∴ f()=()4=4,选B.用所给单词适当形式填空【1】He reached the park at ______ one hour earlier than us. (little)【2】Many people care about their diets in their ________ life. (day)【3】Mr. Gao can speak not only English but also _________. (France)【4】Chinese basketball team won the match, all Chinese felt excited and ____. (cheer)【5】__________, Simon passed the exam with the help of his English teacher.(lucky)