题目9/10单选题(分值1.0分,难度:易)int_(0)^e-1ln(x+1)dx=A. -1B. 1C. e²D. e9/10单选题(分值1.0分,难度:易)$\int_{0}^{e-1}\ln(x+1)dx=$A. -1B. 1C. e²D. e题目解答答案B. 1